Piezoelectric Audio Transducers and Buzzers
Last Updated: January 16, 2025 Reviewed by: Mohsen Mostafaei, consulting engineer
Description
Piezoelectric audio transducers and buzzers are electronic devices that produce sound by utilizing the piezoelectric effect. These devices generate audible tones, beeps, and alerts through mechanical deformation of piezoelectric materials. They create sound waves by converting electrical energy into mechanical vibrations, producing frequencies typically ranging from 1 kHz to 50 kHz.
Working Principle
The piezoelectric effect occurs when certain crystalline materials, commonly lead zirconate titanate (PZT), deform under applied electrical voltage. When an alternating current is applied to the piezoelectric element, it rapidly changes shape at the frequency of the electrical signal. This mechanical deformation creates pressure waves in the air, which we perceive as sound. A metal diaphragm attached to the piezoelectric element amplifies these vibrations, increasing the sound output.
Applications
Piezoelectric buzzers are extensively used in smoke detectors, carbon monoxide alarms, and security systems. They serve as audible indicators in medical equipment like patient monitors and infusion pumps. These devices are common in household appliances, including microwave ovens, dishwashers, and washing machines to signal cycle completion. In automotive applications, they provide parking sensor alerts and seatbelt warnings. Industrial equipment utilizes them for machine fault indicators and emergency stop notifications. They're also found in electronic games, toys, and computer motherboards for system beeps.
Advantages over other Audio Transducers and Buzzers
Piezoelectric buzzers offer superior energy efficiency compared to electromagnetic alternatives, consuming typically 70-80% less power. They provide excellent frequency stability across varying temperatures, maintaining consistent tone quality from -20°C to +70°C. Their solid-state construction eliminates moving parts, resulting in exceptional durability with operational lifespans exceeding 100,000 hours. These devices achieve higher sound pressure levels (typically 85-95 dB) while maintaining a compact form factor, often 75% smaller than electromagnetic buzzers of similar output.
Limitations
These devices exhibit poor performance in low-frequency applications below 1 kHz, making them unsuitable for reproducing complex audio or music. They show significant variation in sound output based on input voltage fluctuations, potentially causing inconsistent alert volumes. Environmental factors like humidity can degrade performance over time due to the hygroscopic nature of some piezoelectric materials. Their narrow frequency bandwidth limits their ability to produce multiple tones simultaneously.
Considerations
Initial costs for piezoelectric buzzers are typically 30-50% higher than electromagnetic alternatives, though this is offset by lower operating costs due to their energy efficiency. Installation requires careful voltage matching and proper mounting to prevent mechanical dampening of vibrations. While maintenance-free, they may require replacement after 5-7 years in harsh environments. Operating accuracy remains within ±5% of rated frequency throughout their lifespan. Replacement costs are moderate, but installation must account for specific voltage and mounting requirements to maintain optimal performance.
from RS Components, Ltd.
EMCT AC30012-36V Piezo Buzzer Component [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 40
from RS Components, Ltd.
Sonitron SC235B Buzzer [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 36.5
from RS Components, Ltd.
EMCT DC300I15-48V Piezo Buzzer Component [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 40
from RS Components, Ltd.
RS PRO ABT-471-RC Buzzer [See More]
- Technology: Piezoelectric
- Tone: Continuous
- RoHS Compliant: Yes
- Sound Pressure Level: 78
from RS Components, Ltd.
RS PRO ABT-475-RC Buzzer [See More]
- Technology: Piezoelectric
- Tone: Continuous
- RoHS Compliant: Yes
- Sound Pressure Level: 70
from RS Components, Ltd.
RS PRO ABT-476-RC Buzzer [See More]
- Technology: Piezoelectric
- Tone: Continuous
- RoHS Compliant: Yes
- Sound Pressure Level: 65
from RS Components, Ltd.
RS PRO ABT-477-RC Buzzer [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 17
from RS Components, Ltd.
Piezo Buzzer 3V 17mm Radial 2kHz 70dB [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 17
from RS Components, Ltd.
Electro Mechanical Buzzer 3Vdc 75dB [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 9.6
from RS Components, Ltd.
Electro Mechanical Buzzer 6Vdc 95dB [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 26.4
from RS Components, Ltd.
RS PRO ABI-049-RC [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 26.4
from RS Components, Ltd.
Sonitron SC0715BL Buzzer [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 36.5
from RS Components, Ltd.
Transducer piezo PCB 3Vac 75dB [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 22
from RS Components, Ltd.
Murata PKLCS1212E20A0-R1 [See More]
- Technology: Piezoelectric
- Tone: Noncontinuous
- RoHS Compliant: Yes
from RS Components, Ltd.
Murata PKLCS1212E2400-R1 [See More]
- Technology: Piezoelectric
- Tone: Noncontinuous
- RoHS Compliant: Yes
from RS Components, Ltd.
TDK SDC1614LT-01 [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 16
from RS Components, Ltd.
TDK PS1240P02CT3 Piezo Buzzer Component [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 12.2
from RS Components, Ltd.
TDK PS1420P02CT Piezo Buzzer Component [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 14
from RS Components, Ltd.
TDK PS1740P02E Piezo Buzzer Component [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 17
from RS Components, Ltd.
Buzzer Magnetic,5V,80dB,Radial [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 12
from RS Components, Ltd.
Buzzer Magnetic,3V,88dB,SMD [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Tone: Noncontinuous
from RS Components, Ltd.
Buzzer Magnetic,5V,80dB,Radial [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 16
from RS Components, Ltd.
Siren 6-14VDC 102dB 50mA [See More]
- Technology: Piezoelectric
- Tone: Noncontinuous
- RoHS Compliant: Yes
from RS Components, Ltd.
Electro Mechanical Buzzer 1-3Vp-p 70dB [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Diameter / Length: 12
from RS Components, Ltd.
RS PRO ABT-443-RC [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Tone: Continuous
from Audiowell Electronics (Guangdong) Co., Ltd.
Piezoelectric ceramic element are used as audible parts in electronic or electrical devices. They can be used for electronic watches, doorbells and toys as audible devices, also can be applied to industrial automation equipments, security etc. Features: – Small size, easy to install. –... [See More]
- Technology: Piezoelectric
- Diameter / Length: 34.7
- Shape: Round
- Depth: 0.5200
from EPCOS AG
The development, manufacture and marketing of electronic components, modules and systems represents the largest business segment of the TDK Group. TDK focuses on demanding markets in the areas of information and communication technology and consumer, automotive and industrial electronics. Electronic... [See More]
- Technology: Piezoelectric
- Shape: Round
- Type: Transmitter
- Terminations: Leads; PCPins
from PUI - Projections Unlimited, Inc.
AT Series 3800 Hertz (Hz) Resonant Frequency and 14 Millimeter (mm) Diameter Transducer (AT-1438-TWT-R) [See More]
- Technology: Piezoelectric
- Type: Both
from LCSC Electronics Technology (HK) Limited
- Piezo Buzzers ROHS [See More]
- Technology: Piezoelectric
- RoHS Compliant: Yes
from Americor Electronics, Ltd.
Americor Electronics, Ltd. designs and manufactures Piezoelectric buzzers and ringers for a variety of applications - see list below. Our buzzers include Piezoelectric and SMD types and can be self drive, external drive or have the drive circuit built in. We have many stock options available but... [See More]
- Technology: Piezoelectric
from Utmel Electronic Limited
BUZZ ELEM PIEZO FEDBK 6.4KHZ 30V [See More]
- Technology: Piezoelectric
- Operating Temperature: -20 to 70
- RoHS Compliant: Yes
from Mallory Sonalert Products, Inc.
Series: 22mm Alarms with Wires Mounting Method: Panel/Flange- Wires Circuitry: Yes Tech Type: Piezo Sound Type: Fast Pulse Freq (Hz): 3500.0 Volt Rating: 3 to 24 DC Typical Loudness (dBa): 85 to 109 @ 1 ft (30 cm) Max Current (mA): 10 mA @ 12 Vdc LED Color: CUL Approved: No Size: 28 x 25 mm Weight:... [See More]
- Technology: Piezoelectric
- Mounting: Panel; Panel/Flange- Wires
- RoHS Compliant: Yes
- Diameter / Length: 28
from Ningbo Best Group Co., Ltd.
Piezo ceramic element,Internal Type, External Type. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small... [See More]
- Technology: Piezoelectric
- Diameter / Length: 12 to 42
- Shape: Round
- Frequency: 1200 to 12000
from Challenge Electronics
The CEPB143N072-316C40MR Piezoelectric SMD Buzzer from Challenge Electronics delivers 90dB SPL at 4000Hz, 12V, 8mA. (Nominal). Top Sound Port. [See More]
- Technology: Piezoelectric
- Terminations: SMD
- RoHS Compliant: Yes
- Diameter / Length: 14.3
from Radwell International
BUZZERS INDICATOR, AUDIO PIEZO,. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Transducers USA, Inc.
Transducers USA produces quality audible signal devices at very competitive prices for Original Equipment Manufacturers. Our company manufactures a comprehensive line of audio indicators and transducers in piezo and electro-mechanical varieties, including microphones, speakers, and ultrasonic... [See More]
- Technology: Piezoelectric
- Diameter / Length: 10.5
- Shape: Round
- Depth: 0.1600
from Audiowell Electronics (Guangdong) Co., Ltd.
The piezoelectric buzzer generates mechanical deformation of piezoelectric ceramic plates by reverse piezoelectric effect, which induces the vibration of vibrators and forms sound wave in the air. This one-piece electronic sound device is widely applied in automotive electronics, security alarming,... [See More]
- Technology: Piezoelectric
- Operating Temperature: -40 to 105
- Sound Pressure Level: 110
from PUI - Projections Unlimited, Inc.
AT Series 5000 Hertz (Hz) Resonant Frequency and 17 Millimeter (mm) Diameter Transducer (AT-1750-TFL-LW95-R) [See More]
- Technology: Piezoelectric
- Type: Both
from LCSC Electronics Technology (HK) Limited
10nF 350 Ω 6.3kHz - Piezo Buzzers ROHS [See More]
- Technology: Piezoelectric
- Frequency: 6300
- RoHS Compliant: Yes
- Operating Temperature: -20 to 70
from Utmel Electronic Limited
BUZZER PIEZO 30.7MM PANEL MOUNT [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: 22mm Alarms with Wires Mounting Method: Panel/Flange- Wires Circuitry: Yes Tech Type: Piezo Sound Type: Dual Mode- C/FP Freq (Hz): 3500.0 Volt Rating: 3 to 24 DC Typical Loudness (dBa): 84 to 104 @ 1 ft (30 cm) Max Current (mA): 10 mA @ 12 Vdc LED Color: CUL Approved: No Size: 28 x 25 mm... [See More]
- Technology: Piezoelectric
- Mounting: Panel; Panel/Flange- Wires
- RoHS Compliant: Yes
- Diameter / Length: 28
from Ningbo Best Group Co., Ltd.
Piezo Siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Terminations: Leads
- Shape: Square / Rectangular
- Mounting: Panel
from Challenge Electronics
The CEPT110L017-120-32MR Piezoelectric SMD Sound Transducer from Challenge Electronics delivers 75dB SPL (minimum) at 3200Hz, 5V, 1mA. (Nominal). Capacitance is 12,000pFD. Sides Sound Port. [See More]
- Technology: Piezoelectric
- Terminations: SMD
- RoHS Compliant: Yes
- Mounting: Surface
from Radwell International
PIEZO BUZZER SMD, SOUND PRESS LEVEL 85DB, FREQUENCY 3,3KHZ, OPERATING VOLTAGE 1.5-24V, SMA SERIES. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Transducers USA, Inc.
Transducers USA produces quality audible signal devices at very competitive prices for Original Equipment Manufacturers. Our company manufactures a comprehensive line of audio indicators and transducers in piezo and electro-mechanical varieties, including microphones, speakers, and ultrasonic... [See More]
- Technology: Piezoelectric
- Mounting: Through-Hole
- Terminations: PCPins
- Tone: Continuous
from Audiowell Electronics (Guangdong) Co., Ltd.
Piezoelectric ceramic element are used as audible parts in electronic or electrical devices. They can be used for electronic watches, doorbells and toys as audible devices, also can be applied to industrial automation equipments, security etc. Features: – Small size, easy to install. –... [See More]
- Technology: Piezoelectric
- Diameter / Length: 34.7
- Shape: Round
- Depth: 0.5300
from PUI - Projections Unlimited, Inc.
AT Series 4500 Hertz (Hz) Resonant Frequency and 30 Millimeter (mm) Diameter Transducer (AT-3045-TF-LW110-R) [See More]
- Technology: Piezoelectric
- Type: Both
from LCSC Electronics Technology (HK) Limited
20nF 200 Ω 4.6kHz - Piezo Buzzers ROHS [See More]
- Technology: Piezoelectric
- Frequency: 4600
- RoHS Compliant: Yes
- Operating Temperature: -20 to 70
from Mallory Sonalert Products, Inc.
Series: IEC60601-1-8 Medical Piezo Transducers Mounting Method: Flange- Wires Circuitry: No Tech Type: Piezo Sound Type: Sound Tone 1: Sound Tone 2: Sound Tone 3: Volt Rating: 30 to 30 AC (Vp-p) Typical Loudness (dBa): 90 to 90 @ 10 cm Max Current (mA): Freq Range (Hz): 200.0 Size: 64.5 x 14 mm... [See More]
- Technology: Piezoelectric
- Mounting: Flange- Wires
- RoHS Compliant: Yes
- Diameter / Length: 64.5
from Ningbo Best Group Co., Ltd.
Piezo Siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Diameter / Length: 123
- Shape: Square / Rectangular
- Depth: 72.4
from Radwell International
LITESTAK PIEZOELECTRIC HORN SOUND MODULE, UL AND CUL, 120VAC, 8531.80.9041. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Transducers USA, Inc.
Transducers USA produces quality audible signal devices at very competitive prices for Original Equipment Manufacturers. Our company manufactures a comprehensive line of audio indicators and transducers in piezo and electro-mechanical varieties, including microphones, speakers, and ultrasonic... [See More]
- Technology: Piezoelectric
- Mounting: Through-Hole
- Terminations: PCPins
- Tone: Continuous
from Audiowell Electronics (Guangdong) Co., Ltd.
The piezoelectric buzzer generates mechanical deformation of piezoelectric ceramic plates by reverse piezoelectric effect, which induces the vibration of vibrators and forms sound wave in the air. This one-piece electronic sound device is widely applied in automotive electronics, security alarming,... [See More]
- Technology: Piezoelectric
- Current: 70
- Voltage: 12
- Operating Temperature: -40 to 85
from PUI - Projections Unlimited, Inc.
AT Series 2500 Hertz (Hz) Resonant Frequency and 34 Millimeter (mm) Diameter Transducer (AT-3425-TWT-R) [See More]
- Technology: Piezoelectric
- Type: Both
from Mallory Sonalert Products, Inc.
Series: IEC60601-1-8 Medical Piezo Transducers Mounting Method: PC Pins Circuitry: No Tech Type: Piezo Sound Type: Sound Tone 1: Sound Tone 2: Sound Tone 3: Volt Rating: 30 to 30 AC (Vp-p) Typical Loudness (dBa): 90 to 90 @ 10 cm Max Current (mA): Freq Range (Hz): 200.0 Size: 44.5 x 14 mm Weight: 16... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
Piezo Siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Diameter / Length: 122
- Shape: Square / Rectangular
- Depth: 72.8
from Radwell International
PIEZO BUZZER, TONE: FAST PULSE, 110V, 30-120V . FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Transducers USA, Inc.
Transducers USA produces quality audible signal devices at very competitive prices for Original Equipment Manufacturers. Our company manufactures a comprehensive line of audio indicators and transducers in piezo and electro-mechanical varieties, including microphones, speakers, and ultrasonic... [See More]
- Technology: Piezoelectric
- Mounting: Surface; Surface Mount
- Terminations: Solder Tabs
- Tone: Continuous
from PUI - Projections Unlimited, Inc.
AT Series 1000 Hertz (Hz) Resonant Frequency and 52 Millimeter (mm) Diameter Transducer (AT-5210-TT-R) [See More]
- Technology: Piezoelectric
- Type: Both
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: SMT Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 3500.0 Volt Rating: 3 to 15 DC Typical Loudness (dBa): 68 to 81 @ 1 ft (30 cm) Max Current (mA): 10 mA @ 12 Vdc CUL: No Size: 14 x 14 x 7.3 mm Weight: 1.4 g... [See More]
- Technology: Piezoelectric
- Terminations: None
- RoHS Compliant: Yes
- Mounting: Surface; SMT
from Ningbo Best Group Co., Ltd.
Power supply :10V-14 VDC. Power consumption:200mA. Strobe luminous flux:250mA (Strobe models only). Siren output:110dB. Color:Ivory+Blue or Red lens. Strobe or siren with strobe. Dimensions:120(L)x74(W)x42(T)mm [See More]
- Technology: Piezoelectric
- Diameter / Length: 120
- Shape: Square / Rectangular
- Depth: 42
from Radwell International
PIEZOELECTRIC ALARM, 85 TO 95 DBA DECBEL RANGE, 95 DBA DECIBEL AT 1 METER, 1.4095 INCH DIA., -20 TO 65 ° OPERATING TEMP RANGE, 2900 ± 250 HZ OSCILLATOR FREQUENCY, QUICK CONNECT BLADE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Transducers USA, Inc.
Our Tonelight Series is the alert that emits both sound and flashing lights, providing visual LED warning and audible beeping combined!. Tonelight ’s sound and light can be simultaneous or separate, and now Tonelight has a new feature: the sound can be delayed for workspace-friendly warnings!... [See More]
- Technology: Piezoelectric
- Terminations: Leads
- Shape: Square / Rectangular
- Mounting: Panel
from PUI - Projections Unlimited, Inc.
9 Millimeter (mm) Size Transducers [See More]
- Technology: Piezoelectric
- Type: Both
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 2800.0 Volt Rating: 9 to 12 DC Typical Loudness (dBa): 93 to 94 @ 1 ft (30 cm) Max Current (mA): 50 mA @ 12 Vdc CUL: No Size: 26 x 22 mm Weight: 10 g... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
36*30.5mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products line... [See More]
- Technology: Piezoelectric
- Diameter / Length: 36
- Shape: Round
- Depth: 30.5
from Radwell International
PIEZO BUZZER, 5-24 VAC/VDC, NEMA TYPE 4X, UL LISTED, QUICK CONNECT TERMINALS, WARBLE TONE, B. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Transducers USA, Inc.
Our Tonelight Series is the alert that emits both sound and flashing lights, providing visual LED warning and audible beeping combined!. Tonelight ’s sound and light can be simultaneous or separate, and now Tonelight has a new feature: the sound can be delayed for workspace-friendly warnings!... [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Terminations: Screw Terminals
from PUI - Projections Unlimited, Inc.
4000 Hertz (Hz) Resonant Frequency Transducers [See More]
- Technology: Piezoelectric
- Type: Both
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 2800.0 Volt Rating: 9 to 12 DC Typical Loudness (dBa): 93 to 94 @ 1 ft (30 cm) Max Current (mA): 50 mA @ 12 Vdc CUL: No Size: 26 x 22 mm Weight: 10 g... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
Piezo Siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Depth: 66
- Diameter / Length: 104
- Sound Pressure Level: 105
from Radwell International
DISCONTINUED BY MANUFACTURER, PIEZO BUZZER & AUDIO INDICATOR, EAR PLANGE MOUNT, 3-24VDC, WIRE LEAD PANEL MOUNT. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Transducers USA, Inc.
Our Tonelight Series is the alert that emits both sound and flashing lights, providing visual LED warning and audible beeping combined!. Tonelight ’s sound and light can be simultaneous or separate, and now Tonelight has a new feature: the sound can be delayed for workspace-friendly warnings!... [See More]
- Technology: Piezoelectric
- Shape: Round
- RoHS Compliant: Yes
- Terminations: Screw Terminals
from PUI - Projections Unlimited, Inc.
12 Millimeter (mm) Size Transducers [See More]
- Technology: Piezoelectric
- Type: Both
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 2800.0 Volt Rating: 1.5 to 6 DC Typical Loudness (dBa): 88 to 101 @ 1 ft (30 cm) Max Current (mA): 130 mA @ 6 Vdc CUL: No Size: 26 x 22 mm Weight: 10 g... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
Piezo Siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Diameter / Length: 80
- Shape: Square / Rectangular
- Depth: 50.5
from Radwell International
DISCONTINUED BY MANUFACTURER, PIEZOELECTRIC ACOUSTIC MODULE, HORN, DIP SWITCH,110 /240 VAC. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 2500.0 Volt Rating: 3 to 20 DC Typical Loudness (dBa): 80 to 100 @ 1 ft (30 cm) Max Current (mA): 20 mA @ 12 Vdc CUL: No Size: 23 x 18 mm Weight: 3.8 g... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
Piezo Siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Diameter / Length: 114
- Shape: Square / Rectangular
- Depth: 55.8
from Radwell International
BUZZER PIEZO, 2900HZ, 100DB, 6-16 VOLTS DC, 6-22MA, CONTINUOUS-SCREW MOUNT. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 3100.0 Volt Rating: 3 to 20 DC Typical Loudness (dBa): 75 to 95 @ 1 ft (30 cm) Max Current (mA): 25 mA CUL: No Size: 24 x 17.5 mm Weight: 10 g Options: For... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
Piezo Siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Diameter / Length: 126
- Shape: Square / Rectangular
- Depth: 60.5
from Radwell International
BUZZER, 110VAC/DC, 10MA, PANEL MOUNT, 80DB @ 30CM, 43.5MM DIAMETER, 2900HZ FREQUENCY, PIEZOELECTRIC TYPE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: Direct Mount- Wires Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 3500.0 Volt Rating: 2 to 6 DC Typical Loudness (dBa): 96 to 103 @ 1 ft (30 cm) Max Current (mA): 30 mA CUL: No Size: 23 x 14 mm Weight: 3.5 g... [See More]
- Technology: Piezoelectric
- Mounting: Direct Mount- Wires
- RoHS Compliant: Yes
- Diameter / Length: 23
from Ningbo Best Group Co., Ltd.
Piezo Siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Diameter / Length: 44.5
- Shape: Square / Rectangular
- Frequency: 1500 to 3500
from Radwell International
PIEZO BUZZERS & AUDIO INDICATORS BUZZER, 13.9 MM, 7.5 MM DEEP, P, 12 VDC, 92 DB, THROUGH HOLE, AUDIO INDICATOR. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 3500.0 Volt Rating: 2 to 6 DC Typical Loudness (dBa): 96 to 103 @ 1 ft (30 cm) Max Current (mA): 30 mA CUL: No Size: 23 x 14 mm Weight: 3.5 g Options: For... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
46.5*39*23.5mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Terminations: Leads
- Shape: Square / Rectangular
- Diameter / Length: 46.5
from Radwell International
AUDIO WARNING DEVICE, ALARM, PIEZO, CONTINUOUS, 12VDC SUP, 35MA, 105DB, 2900HZ, 2-PINS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 3500.0 Volt Rating: 3 to 20 DC Typical Loudness (dBa): 75 to 90 @ 1 ft (30 cm) Max Current (mA): 16 mA CUL: No Size: 23 x 14 mm Weight: 3.5 g Options: For... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
50*29mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products line is... [See More]
- Technology: Piezoelectric
- Diameter / Length: 50
- Shape: Round
- Depth: 29
from Radwell International
CONTINUOUS ALARM, PANEL MOUNT, PIEZOELECTRIC, 82-103DBA, 3-30VDC, 6-70MA. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 3500.0 Volt Rating: 3 to 20 DC Typical Loudness (dBa): 75 to 90 @ 1 ft (30 cm) Max Current (mA): 16 mA CUL: No Size: 23 x 14 mm Weight: 3.5 g Options: For... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
98.5*38.5mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Diameter / Length: 95.5
- Shape: Round
- Depth: 38.5
from Radwell International
DISCONTINUED BY MANUFACTURER, BUZZER, PIEZOELECTRIC SOUNDER, 85DB SOUND PRESSURE LEVEL, 4 KHZ, 25 VDC, .012 UF. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Slow Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 3900.0 Volt Rating: 2 to 5 DC Typical Loudness (dBa): 80 to 90 @ 1 ft (30 cm) Max Current (mA): 10 mA CUL: No Size: 23 x 11 mm Weight: 3.5 g Options: For... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
52*49mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products line is... [See More]
- Technology: Piezoelectric
- Terminations: Leads
- Shape: Round
- Diameter / Length: 52
from Radwell International
UNIVERSAL TELEPHONE ALERT, WITH STROBE, 115 VAC POWER, SERIES UTA-WH, OPERATING VOLTAGE:24 VAC/VDC | 48 VDC | 90 VRMS/20-30HZ, WITH 109 DB PIEZO SPEAKER, TAMPER RESISTANT VOLUME CONTROL, WITH PHONE LETTERING. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Slow Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 3900.0 Volt Rating: 2 to 5 DC Typical Loudness (dBa): 80 to 90 @ 1 ft (30 cm) Max Current (mA): 10 mA CUL: No Size: 23 x 11 mm Weight: 3.5 g Options: For... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
Piezo Siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Terminations: Leads
- Shape: Round
- Sound Pressure Level: 105
from Radwell International
BUZZERS INDICATOR, INTERNALLY DRIVEN PIEZO 2 ~ 4MA 2.9KHZ 55DB @ 6V, 24VDC, 61CM PANEL MOUNT SCREW TERMINAL, QUICK CONNECT TAB - 0.250" (6.35MM). FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Continuous Attribute 6 name: Freq (Hz) Freq (Hz): 3800.0 Volt Rating: 3 to 20 DC Typical Loudness (dBa): 77 to 89 @ 1 ft (30 cm) Max Current (mA): 16 mA CUL: No Size: 23 x 11 mm Weight: 3.5 g Options: For... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
55*18mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products line is... [See More]
- Technology: Piezoelectric
- Terminations: Leads
- Shape: Round
- Diameter / Length: 55
from Radwell International
BUZZER, PIEZO, 2.9KHZ, 80DBA, 28VDC, TONES: FAST PULSE, SUPPLY VOLTAGE: 6-8VDC, OPERATING CURRENT: 6-16MA, SOUND LEVEL SPL: 80DBA. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Slow Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 3900.0 Volt Rating: 5 to 16 DC Typical Loudness (dBa): 86 to 101 @ 1 ft (30 cm) Max Current (mA): 12 mA CUL: No Size: 23 x 11 mm Weight: 3.5 g Options: For... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
54.5*55.5,105dB/100cm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our... [See More]
- Technology: Piezoelectric
- Diameter / Length: 54.5
- Shape: Round
- Depth: 55.5
from Radwell International
BUZZER, PIEZO, SINGLE TONE ALARM, TONE:CONTINUOUS, SUPPLY VOLTAGE: 10-48VDC, OPERATING CURRENT: 4-18MA, SOUND LEVEL SPL: 80DBA, RESONANT FREQUENCY: 2.9KHZ, SCREW TERMINALS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Fast Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 3900.0 Volt Rating: 5 to 16 DC Typical Loudness (dBa): 86 to 101 @ 1 ft (30 cm) Max Current (mA): 12 mA CUL: No Size: 23 x 11 mm Weight: 3.5 g Options: For... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
59.4*41.5mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Terminations: Leads
- Shape: Round
- Diameter / Length: 59.4
from Radwell International
DISCONTINUED BY MANUFACTURER, PIEZO BUZZERS & AUDIO INDICATORS, 70 DBA, SHORT PULSE, 30-120V. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Fast Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 3000.0 Volt Rating: 3 to 24 DC Typical Loudness (dBa): 80 to 100 @ 1 ft (30 cm) Max Current (mA): 18 mA @ 12 Vdc CUL: No Size: 24 x 14 mm Weight: 3.2 g... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
59.5*84mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products line... [See More]
- Technology: Piezoelectric
- Diameter / Length: 59.5
- Shape: Round
- Depth: 84
from Radwell International
TRANSDUCER, PIEZO, 2.9KHZ, 95DBA, 120V, TRANSDUCER FUNCTION:ALARM, TONES:SLOW PULSE, SUPPLY VOLTAGE MIN:30V, OPERATING CURRENT MAX:24MA, SOUND LEVEL SPL:95DBA, RESONANT FREQUENCY:2.9KHZ, ROHS COMPLIANT: NO. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Fast Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 3000.0 Volt Rating: 3 to 30 DC Typical Loudness (dBa): 70 to 97 @ 1 ft (30 cm) Max Current (mA): 12 mA @ 12 Vdc CUL: No Size: 24 x 9.5 mm Weight: 2.8 g... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
61.8*71*84.5mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Diameter / Length: 61.8
- Shape: Square / Rectangular
- Depth: 84.5
from Radwell International
BUZZER, PIEZO, 2.9KHZ, 80DBA, 250V AC, TRANSDUCER FUNCTION:ALARM, TONES:CONTINUOUS, SUPPLY VOLTAGE MIN:60V, OPERATING CURRENT MAX:18MA, RESONANT FREQUENCY:2.9KHZ, ROHS COMPLIANT: NO. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: Flange- Wires Circuitry: Yes Tech Type: Piezo Sound Type: Fast Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 3000.0 Volt Rating: 3 to 30 DC Typical Loudness (dBa): 70 to 97 @ 1 ft (30 cm) Max Current (mA): 12 mA @ 12 Vdc CUL: No Size: 24 x 9.5 mm Weight: 3.0... [See More]
- Technology: Piezoelectric
- Mounting: Flange- Wires
- RoHS Compliant: Yes
- Diameter / Length: 24
from Ningbo Best Group Co., Ltd.
110dB siren. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products... [See More]
- Technology: Piezoelectric
- Diameter / Length: 75
- Shape: Round
- Depth: 55.2
from Radwell International
BUZZER DC 3.5KHZ PIEZO SOLDER. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Fast Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 2500.0 Volt Rating: 3 to 24 DC Typical Loudness (dBa): 85 to 101 @ 1 ft (30 cm) Max Current (mA): 15 mA @ 12 Vdc CUL: No Size: 30 x 16 mm Weight: 7.2 g... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
85*55*31mm. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products line... [See More]
- Technology: Piezoelectric
- Terminations: Leads
- Shape: Square / Rectangular
- Diameter / Length: 97.5
from Radwell International
AUDIO PIEZO TRANSDUCER 10-30V 4 KHZ PANEL MT FLANGE 24MM WIRES. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: Flange- Wires Circuitry: Yes Tech Type: Piezo Sound Type: Fast Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 2500.0 Volt Rating: 3 to 24 DC Typical Loudness (dBa): 85 to 101 @ 1 ft (30 cm) Max Current (mA): 15 mA @ 12 Vdc CUL: No Size: 30 x 16 mm Weight: 8.4... [See More]
- Technology: Piezoelectric
- Mounting: Flange- Wires
- RoHS Compliant: Yes
- Diameter / Length: 30
from Ningbo Best Group Co., Ltd.
110dB. Established in 1997, Best Group (FBELE), is Chinese leading manufacturer and trader in electronic components. We can offer high quality products in very competitive price for electronics components, as well as best service, in time delivery, small order acceptable, etc. Our products line is... [See More]
- Technology: Piezoelectric
- Diameter / Length: 98
- Shape: Round
- Depth: 86
from Radwell International
BUZZERS INDICATOR, INTERNALLY DRIVEN PIEZO 12V 7MA 4KHZ 88DB @ 12V, 10CM THROUGH HOLE PC PINS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric
from Mallory Sonalert Products, Inc.
Series: Indicators-Piezo Mounting Method: PC Pins Circuitry: Yes Tech Type: Piezo Sound Type: Fast Pulse Attribute 6 name: Freq (Hz) Freq (Hz): 2500.0 Volt Rating: 3 to 28 DC Typical Loudness (dBa): 78 to 95 @ 1 ft (30 cm) Max Current (mA): 15 mA @ 12 Vdc CUL: No Size: 30 x 10 mm Weight: 4.6 g... [See More]
- Technology: Piezoelectric
- Terminations: PCPins
- RoHS Compliant: Yes
- Mounting: PC Pins
from Ningbo Best Group Co., Ltd.
Ø14.1*7.8mm,. China Piezo buzzer manufacturer FBPB1478, FBELE Brand. [See More]
- Technology: Piezoelectric
- Terminations: Leads
- Shape: Round
- Diameter / Length: 14.1
from Radwell International
PIEZO BUZZER MODULE, YDE, 24 V AC/DC, 90 DB, IP66. FREE 2 YEAR RADWELL WARRANTY [See More]
- Technology: Piezoelectric