Leads Audio Transducers and Buzzers
Last Updated: April 1, 2025
Description
Leads Audio Transducers and Buzzers are electronic devices designed to produce sound. They emit audible signals, which can vary in tone and pitch, to alert or notify users of specific conditions or events. These devices are integral in systems where sound is used as a form of communication or alert.
Working Principle
Leads Audio Transducers and Buzzers operate by converting electrical energy into sound. A common type, the piezoelectric transducer, uses a polarized ceramic material bonded to a metal disc. When a voltage is applied, the material flexes, producing sound. This mechanism avoids mechanical wear and reduces electrical noise, making it efficient for continuous operation. The sound produced is clear and penetrating, which is useful for alerting users in various environments .
Applications
In the medical industry, buzzers and transducers are used in instruments like heart defibrillators, sterilizers, and infusion pumps. They provide distinct sounds that signify specific conditions, aiding in monitoring and alerting medical staff . Additionally, piezoelectric transducers have moved into applications traditionally serviced by electromagnetic devices due to their reduced size and lower sound frequency .
Advantages over other Audio Transducers and Buzzers
Piezoelectric transducers offer several advantages, including no mechanical wear, low power consumption, and the ability to produce a clear, penetrating sound. They are also versatile, with the ability to be used in both self-drive and external-drive configurations, allowing for customization of sound output .
Limitations
One limitation of piezoelectric transducers is the need for an external drive signal in some configurations, which can complicate the design process. Additionally, while they are efficient, they may not be suitable for all applications, particularly those requiring very high sound levels or specific sound characteristics that other types of transducers might better provide .
Considerations
When selecting Leads Audio Transducers and Buzzers, considerations should include initial costs, operating expenses, and durability. Piezoelectric transducers are generally cost-effective due to their low power consumption and minimal maintenance needs. However, the quality of construction is crucial, as it affects durability and performance. Evaluating the internal construction quality, such as the strength of the housing and the cleanliness of the circuit board, is recommended. Environmental testing data, such as resistance to shock and thermal variations, should also be reviewed to ensure reliability in the intended application .
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 10mA 3.5kHz 93dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 17mA 3.15kHz 88dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 6mA 3.5kHz 85dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 110V 7mA 2.8kHz 88dB @ 110V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo 10V 9mA 81dB @ 10V, 10cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo 10V 12mA 90dB @ 10V, 10cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo 10V 10mA 92dB @ 10V, 10cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo (with Feedback) 12V 7mA 2.8kHz 85dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Shape: Round
- RoHS Compliant: Yes
- Mounting: Panel
from DigiKey
Buzzers Transducer, Externally Driven Piezo (with Feedback) 12V 7mA 3.3kHz 82dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 35mA 5kHz 80dB @ 12V, 30cm Custom Wire Leads [See More]
- Terminations: Leads
- Mounting: Custom
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 35mA 2.8kHz 85dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo 10V 10mA 80dB @ 10V, 10cm Custom Wire Leads [See More]
- Terminations: Leads
- Mounting: Custom
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo 10V 11mA 85dB @ 10V, 10cm Custom Wire Leads [See More]
- Terminations: Leads
- Mounting: Custom
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo 9mA 5kHz 80dB @ 10V, 10cm Custom Wire Leads [See More]
- Terminations: Leads
- Mounting: Custom
- Shape: Round
- Tone: Continuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo 10V 8mA 88dB @ 10V, 10cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo 10V 11mA 97dB @ 10V, 10cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Transducer, Externally Driven Piezo (with Feedback) 12V 13mA 4.5kHz 83dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 14mA 3.1kHz 73dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 10mA 2.7kHz 76dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 5mA 3.5kHz 82dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 6mA 3.5kHz 87dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 12mA 3.5kHz 92dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 5mA 3.5kHz 86dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 12mA 3.5kHz 96dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from DigiKey
Buzzers Indicator, Internally Driven Piezo 12V 7mA 2.8kHz 85dB @ 12V, 30cm Panel Mount, Flange Wire Leads [See More]
- Terminations: Leads
- Mounting: Panel
- Shape: Round
- Tone: Noncontinuous
from Ningbo Best Group Co., Ltd.
Cordless Telephone Receiver. 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. [See More]
- Terminations: Leads
- Type: Receiver
- Technology: Electromagnetic
- Shape: Round
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]
- Terminations: Leads; PCPins
- Type: Transmitter
- Technology: Piezoelectric
- Shape: Round
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]
- Terminations: Leads
- Mounting: Flange
- Technology: Piezoelectric
- Tone: Continuous
from Challenge Electronics
The CECB225W145-127C400PR Mechanical Buzzer from Challenge Electronics delivers 75dB SPL at 400Hz, 24V, 30mA. (Nominal). Top Sound Port. [See More]
- Terminations: Leads
- RoHS Compliant: Yes
- Technology: Mechanical
- Diameter / Length: 41
from Ningbo Best Group Co., Ltd.
Double Function Receiver. 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]
- Terminations: Leads
- Type: Receiver
- Technology: Electromagnetic
- Shape: Round
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]
- Terminations: Leads
- Mounting: Flange
- Technology: Electro-Mechanical
- Frequency: 400
from Challenge Electronics
The 32S4120LFPN Piezoelectric Thru Hole Buzzer from Challenge Electronics delivers 80dB SPL at 4000Hz, 12V, 7mA. (Nominal). Top Sound Port. Removable Washing Label [See More]
- Terminations: Leads
- RoHS Compliant: Yes
- Technology: Piezoelectric
- Diameter / Length: 24
from Ningbo Best Group Co., Ltd.
Double Function Receiver. 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]
- Terminations: Leads
- Type: Receiver
- Technology: Electromagnetic
- Shape: Round
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]
- Terminations: Leads
- Mounting: Base Mount
- Technology: Piezoelectric
- Frequency: 1500 to 4000
from Ningbo Best Group Co., Ltd.
Double Function Receiver. 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]
- Terminations: Leads
- Type: Receiver
- Technology: Electromagnetic
- Shape: Round
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]
- Terminations: Leads
- Shape: Square / Rectangular
- Technology: Piezoelectric
- Mounting: Panel
from Ningbo Best Group Co., Ltd.
23 � �17*15mm,. China Mechanical buzzer manufacturer FBMMB2315(A,B,C,D,E,F), FBELE Brand. [See More]
- Terminations: Leads
- Shape: Square / Rectangular
- Technology: Electromagnetic
- Mounting: ScrewDown
from Ningbo Best Group Co., Ltd.
Ø26*17.6mm,. China Mechanical buzzer manufacturer FBMMB2618(A,B,C,D,E,F), FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Electromagnetic
- Mounting: ScrewDown
from Ningbo Best Group Co., Ltd.
Mobile Receiver. 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]
- Terminations: Leads
- Type: Receiver
- Technology: Electromagnetic
- Shape: Round
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]
- Terminations: Leads
- Shape: Square / Rectangular
- Technology: Piezoelectric
- Mounting: Panel
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]
- Terminations: Leads
- Shape: Square / Rectangular
- Technology: Piezoelectric
- Diameter / Length: 46.5
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]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 52
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]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Sound Pressure Level: 105
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]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 55
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]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 59.4
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]
- Terminations: Leads
- Shape: Square / Rectangular
- Technology: Piezoelectric
- Diameter / Length: 97.5
from Ningbo Best Group Co., Ltd.
Ø14.1*7.8mm,. China Piezo buzzer manufacturer FBPB1478, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 14.1
from Ningbo Best Group Co., Ltd.
Ø15.4*13.9mm,. China Piezo buzzer manufacturer FBPB1614, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 15.4
from Ningbo Best Group Co., Ltd.
Ø22*10.5mm. China Piezo buzzer manufacturer FBPB2211, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 22
from Ningbo Best Group Co., Ltd.
Ø23*10mm. China Piezo buzzer manufacturer FBPB2310, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 23
from Ningbo Best Group Co., Ltd.
Ø23*19.5mm. China Piezo buzzer manufacturer FBPB2320, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 23
from Ningbo Best Group Co., Ltd.
Ø29.5*24.5mm,. China Piezo buzzer manufacturer FBPB2925, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 29.5
from Ningbo Best Group Co., Ltd.
Ø30*17mm,. China Piezo buzzer manufacturer FBPB3017, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 30
from Ningbo Best Group Co., Ltd.
Ø32*14mm,. China Piezo buzzer manufacturer FBPB3214, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 32
from Ningbo Best Group Co., Ltd.
Ø42*16mm,. China Piezo buzzer manufacturer FBPB4216, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 42
from Ningbo Best Group Co., Ltd.
Ø45*26mm,. China Piezo buzzer manufacturer FBPB4510, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 45
from Ningbo Best Group Co., Ltd.
Ø45*26mm,. China Piezo buzzer manufacturer FBPB4520, FBELE Brand. [See More]
- Terminations: Leads
- Shape: Round
- Technology: Piezoelectric
- Diameter / Length: 45