AT-1438-TWT-R Piezo buzzer with 5V rated voltage, 3.8kHz resonant frequency, and 80dB sound pressure level. Through-hole mounting with PC pin termination.
Mfr Part #:

AT-1438-TWT-R

Available from 1 distributors
Mfr Name: PUI Audio, Inc.
PUI Audio, Inc.
Piezo buzzer with 5V rated voltage, 3.8kHz resonant frequency, and 80dB sound pressure level. Through-hole mounting with PC pin termination.
Total Stock: 50 pcs
$ Price Range: $0.97 - $2.37

AT-1438-TWT-R Available from 1 distributor

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AT-1438-TWT-R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Diameter
Driver Circuitry
Frequency
Height
Input Type
Lead Style
Mounting Type
Operating Mode
Operating Temperature
Port Location
Ratings
Sound Pressure Level (SPL)
Technology
Termination
Termination Style
Voltage
Voltage Range

AT-1438-TWT-R Description

Short technical summary and product information.

The AT-1438-TWT-R is a piezo buzzer from PUI Audio, Inc. It operates as a single-tone, externally driven transducer with a rated voltage of 5V and a voltage range of 1 to 20V. The resonant frequency is 3.8kHz, and it produces a sound pressure level of 80dB at 5V measured at 10cm. Current consumption is 1mA.

 

The buzzer features a top sound port and a diameter of 13.8mm with a height of 7.3mm. It is designed for through-hole mounting with PC pin termination, making it suitable for wave soldering and washable assembly processes.

 

The operating temperature range is -30°C to 80°C, allowing use in a variety of environments. The washable rating supports cleaning during PCB assembly.

 

This component is categorized under Alarms, Buzzers, and Sirens within Audio Products. It is suitable for applications requiring audible alerts or indicators in electronic devices.

AT-1438-TWT-R Quick Information

Product Type: Piezo Buzzer
Canonical Name: Piezo Buzzer, 5V, 3.8kHz, Through Hole
Subcategory: Alarms, Buzzers, and Sirens

AT-1438-TWT-R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: Non-Compliant

AT-1438-TWT-R Estimated Pricing

Qty Low High
1+ $2.37 $2.37
10+ $1.80 $1.80
25+ $1.62 $1.62
50+ $1.50 $1.50
100+ $1.39 $1.39
300+ $1.24 $1.24
500+ $1.17 $1.17
1,000+ $1.09 $1.09
5,000+ $0.97 $0.97

Estimated market price range - modelled values for guidance only, not live distributor offers.

AT-1438-TWT-R Features

  • 5V rated piezo buzzer transducer.
  • 3.8kHz resonant frequency output.
  • 80dB sound pressure at 5V 10cm.
  • Through-hole PC pin termination.
  • Washable with top sound port.

AT-1438-TWT-R Applications

  • Used for audible alert indicators.
  • Suitable for electronic device alarms.
  • Ideal for through-hole PCB assembly.
  • Works in temperature range -30 to 80C.

AT-1438-TWT-R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the rated voltage of the AT-1438-TWT-R?

The rated voltage is 5V, with a voltage range of 1 to 20V.

What is the resonant frequency of this buzzer?

The resonant frequency is 3.8kHz.

What sound pressure level does it produce?

It produces 80dB SPL at 5V measured at 10cm.

What type of driver circuitry does it use?

It is a transducer with external driver circuitry, requiring a peak-peak signal input.

What is the mounting type and termination style?

It is through-hole mounted with PC pin termination.

What is the operating temperature range?

The operating temperature range is -30°C to 80°C.

What is the current consumption?

The current consumption is 1mA.

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