Screw Terminals Audio Transducers and Buzzers

Last Updated: April 1, 2025

Description

Screw terminals audio transducers and buzzers are electronic devices designed to produce sound. They are typically used for signaling purposes, emitting audible alerts or tones. These devices are equipped with screw terminals for easy and secure electrical connections.

Working Principle

Screw terminals audio transducers and buzzers operate by converting electrical energy into sound. In the case of piezoelectric transducers, a voltage is applied to a polarized ceramic material bonded to a metal disc, causing it to flex and produce sound. This method avoids mechanical wear and electrical noise, offering low power consumption and a clear, penetrating sound .

Applications

These devices are commonly used in various applications where audible alerts are necessary. For example, in the medical industry, transducers and buzzers are used in equipment like sterilizers, infusion pumps, and air monitors to emit specific sounds that signify different conditions . They are also used in emergency signaling systems to reproduce attention-penetrating tones and voice commands .

Advantages over other Audio Transducers and Buzzers

Piezoelectric transducers offer several advantages over electromagnetic devices. They have no mechanical wear, produce less electrical noise, and consume less power. Additionally, they can produce a clear and penetrating sound, which is beneficial in environments where sound clarity is crucial .

Limitations

One limitation of piezoelectric transducers is their durability. They use ceramic packaging, which makes them more prone to cracking or breaking compared to other types of transducers .

Considerations

When selecting screw terminals audio transducers and buzzers, several factors should be considered. Initial costs can vary depending on the type and specifications of the device. Operating expenses are generally low due to their low power consumption. However, durability can be a concern, particularly for piezoelectric transducers, which may require more frequent replacements due to their susceptibility to damage. Maintenance costs can also be influenced by the need for secure assembly to prevent improper sound emission .

30 Results
Alarms, Buzzers, and Sirens -- 02-810.001-ND [02-810.001 from EAO Switch Corporation]
from DigiKey

Buzzers Indicator, Internally Driven Panel Mount Screw Terminals [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
Schaltbau PAD 41 - Passenger alarm handles for wall mounting
from Schaltbau GmbH

Modern passenger alarm handles from Schaltbau are used in rail vehicles worldwide and represent the highest safety standards. New to the portfolio: the PAD 41 devices. Their striking, clearly recognisable design ensures that the emergency brake switch can be found quickly and operated intuitively,... [See More]

  • Terminations: Screw Terminals
Alarms, Buzzers, and Sirens -- 102-1654-ND [CPE-750 from Same Sky]
from DigiKey

"Buzzers Indicator, Internally Driven Piezo 12V 8mA 3.6kHz 80dB @ 12V, 30cm Panel Mount Screw Terminal, Quick Connect Tab - 0.189"" (4.80mm)" [See More]

  • Terminations: Quick Connects; Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 102-1658-ND [CPE-757 from Same Sky]
from DigiKey

"Buzzers Indicator, Internally Driven Piezo 12V 9mA 3.6kHz 82dB @ 12V, 30cm Panel Mount Screw Terminal, Quick Connect Tab - 0.189"" (4.80mm)" [See More]

  • Terminations: Quick Connects; Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 102-3750-ND [CPI-4233C-120 from Same Sky]
from DigiKey

"Buzzers Indicator, Internally Driven Piezo 12V 12mA 2.8kHz 94dB @ 12V, 30cm Panel Mount Screw Terminal, Quick Connect Tab - 0.256"" (6.50mm)" [See More]

  • Terminations: Quick Connects; Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 102-3751-ND [CPI-4232C-120 from Same Sky]
from DigiKey

"Buzzers Indicator, Internally Driven Piezo 12V 8 ~ 24mA 2.9kHz 95dB @ 18V, 60cm Panel Mount Screw Terminal, Quick Connect Tab - 0.256"" (6.50mm)" [See More]

  • Terminations: Quick Connects; Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 102-CPI-3533-97ST-ND [CPI-3533-97ST from Same Sky]
from DigiKey

"Buzzers Indicator, Internally Driven Piezo 12V 8mA 2.8kHz 97dB @ 12V, 10cm Panel Mount Screw Terminal, Quick Connect Tab - 0.256"" (6.5mm)" [See More]

  • Terminations: Quick Connects; Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 1864-1083-ND [PL22SBZK110 from Carlo Gavazzi Automation SpA]
from DigiKey

Buzzers [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Sound Pressure Level: 95
Alarms, Buzzers, and Sirens -- 1864-1084-ND [PL22SBZK24 from Carlo Gavazzi Automation SpA]
from DigiKey

Buzzers [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Sound Pressure Level: 95
Alarms, Buzzers, and Sirens -- 1864-1085-ND [PL22SFBZR110 from Carlo Gavazzi Automation SpA]
from DigiKey

Buzzers [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Sound Pressure Level: 95
Alarms, Buzzers, and Sirens -- 1864-1086-ND [PL22SFBZR24 from Carlo Gavazzi Automation SpA]
from DigiKey

Buzzers [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Sound Pressure Level: 95
Alarms, Buzzers, and Sirens -- 1948-1078-ND [03-810.001 from EAO Switch Corporation]
from DigiKey

Buzzers Indicator, Internally Driven Panel Mount Screw Terminals [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
Alarms, Buzzers, and Sirens -- 2104-IP432912-1-ND [IP432912-1 from DB Unlimited, LLC]
from DigiKey

"Buzzers Indicator, Internally Driven Piezo 12V 20mA 2.9kHz 100dB @ 12V, 10cm Panel Mount Screw Terminal, Quick Connect Tab - 0.256"" (6.50mm)" [See More]

  • Terminations: Quick Connects; Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 2223-CPI-4232-70ST-ND [CPI-4232-70ST from Same Sky]
from DigiKey

"Buzzers Indicator, Internally Driven Piezo 12V 4 ~ 12mA 2.9kHz 78dB @ 16V, 60cm Panel Mount Screw Terminal, Quick Connect Tab - 0.256"" (6.50mm)" [See More]

  • Terminations: Quick Connects; Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 2582-10700060-ND [10700060 from Werma USA Inc.]
from DigiKey

INSTALLATION BUZZER CONTIN. 115- [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 2582-10900068-ND [10900068 from Werma USA Inc.]
from DigiKey

ELECTR. BUZZER EM CONTIN. TONE 2 [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 2582-11000067-ND [11000067 from Werma USA Inc.]
from DigiKey

MULTI-T.SOUNDER EM 8 TNE 115VAC [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 2582-11100055-ND [11100055 from Werma USA Inc.]
from DigiKey

ELECTR. BUZZER EM CONTIN/PULSE 2 [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 2582-11406815-ND [11406815 from Werma USA Inc.]
from DigiKey

ELECTR. BUZZER EM CONTIN. TONE 2 [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 2582-11806827-ND [11806827 from Werma USA Inc.]
from DigiKey

ELECTR. BUZZER EM CONTIN. TONE 1 [See More]

  • Terminations: Screw Terminals
  • Mounting: Panel
  • Shape: Round
  • Tone: Noncontinuous
Alarms, Buzzers, and Sirens -- 2582-12605215-ND [12605215 from Werma USA Inc.]
from DigiKey

Buzzers Indicator, Internally Driven Magnetic 24V 80mA 105dB @ 24V, 100cm Bracket Mount Screw Terminals [See More]

  • Terminations: Screw Terminals
  • Shape: Round
  • RoHS Compliant: Yes
  • Mounting: Bracket Mount
Alarms, Buzzers, and Sirens -- 2582-12905255-ND [12905255 from Werma USA Inc.]
from DigiKey

Stack Light Complete Unit Siren, Multiple Tone Screw Terminal [See More]

  • Terminations: Screw Terminals
  • Tone: Noncontinuous
  • RoHS Compliant: Yes
  • Operating Temperature: -40 to 55
Alarms, Buzzers, and Sirens -- 2582-13300075-ND [13300075 from Werma USA Inc.]
from DigiKey

Stack Light Complete Unit Siren, Multiple Tone Screw Terminal [See More]

  • Terminations: Screw Terminals
  • Tone: Noncontinuous
  • RoHS Compliant: Yes
  • Operating Temperature: -20 to 50
Alarms, Buzzers, and Sirens -- 2582-13400075-ND [13400075 from Werma USA Inc.]
from DigiKey

Stack Light Complete Unit Siren, Multiple Tone Screw Terminal [See More]

  • Terminations: Screw Terminals
  • Tone: Noncontinuous
  • RoHS Compliant: Yes
  • Operating Temperature: -20 to 50
Alarms, Buzzers, and Sirens -- 2582-13900055-ND [13900055 from Werma USA Inc.]
from DigiKey

Stack Light Complete Unit Siren, Multiple Tone Screw Terminal [See More]

  • Terminations: Screw Terminals
  • Tone: Noncontinuous
  • RoHS Compliant: Yes
  • Voltage: 9 to 60
Alarms, Buzzers, and Sirens -- 2582-13910055-ND [13910055 from Werma USA Inc.]
from DigiKey

Stack Light Complete Unit Siren, Multiple Tone Screw Terminal [See More]

  • Terminations: Screw Terminals
  • Tone: Noncontinuous
  • RoHS Compliant: Yes
  • Voltage: 9 to 60
Tonelight Audio/Visual Warning Module -- TRIP-LB100SS
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: Screw Terminals
  • RoHS Compliant: Yes
  • Technology: Piezoelectric
  • Shape: Round
Buzzers -- RAFIX 16
from RAFI GmbH & Co. KG

There are nine different actuators and indicators in this control series. You can choose between a round, square, or flush-fitting square collar shape, which seamlessly aligns the actuating elements in a row. The mounting hole diameter for RAFIX 16 is a standard 16.2 mm. As design alternative for... [See More]

  • Terminations: PCPins; Quick Connects; Screw Terminals
  • Type: Transmitter
  • Technology: Electromagnetic
  • RoHS Compliant: Yes
Tonelight Audio/Visual Warning Module -- TRIP-LB200P
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: Screw Terminals
  • RoHS Compliant: Yes
  • Technology: Piezoelectric
  • Shape: Round
Buzzers -- RAFIX 22 QR
from RAFI GmbH & Co. KG

The classic control component series RAFIX 22 QR is predominantly used in mechanical and system engineering as well as automotive manufacturing. The actuating elements are available in two collar shapes. These are the classic round shape or our special RAFI “square-round ” design. This... [See More]

  • Terminations: Quick Connects; Screw Terminals
  • Type: Transmitter
  • Technology: Electromagnetic
  • RoHS Compliant: Yes