PK-21A29WQ

$2.73

Description：BUZZER PIEZO 12V 24MM FLANGE
Series：PK
Mfr：Mallory Sonalert Products Inc.
Package：Bulk

SKU:ec39767b4a97 Category: Alarms, Buzzers, and Sirens Brand: Mallory Sonalert Products Inc.

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Product introduction

PK-21A29WQ is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists Mallory Sonalert Products Inc.. Its product description is BUZZER PIEZO 12V 24MM FLANGE. Review the specifications below when checking this part for your BOM.

Alarms, Buzzers, And Sirens specifications for PK-21A29WQ

Description：BUZZER PIEZO 12V 24MM FLANGE
Series：PK
Mfr：Mallory Sonalert Products Inc.
Package：Bulk
Driver Circuitry：Indicator, Internally Driven
Input Type：DC
Frequency：3kHz
Technology：Piezo
Operating Mode：Single Tone
Duration：-
Sound Pressure Level (SPL)：85dB @ 12V, 30cm
Current - Supply：18mA
Port Location：Top
Operating Temperature：-20°C ~ 70°C
Approval Agency：-
Ratings：-
Ingress Protection：-
Mounting Type：Panel Mount, Flange
Termination：Wire Leads
Height - Seated (Max)：0.551" (14.00mm)
Voltage - Rated：12 V
Voltage Range：3 ~ 24V
Size / Dimension：0.945" Dia (24.00mm)

Alarms, Buzzers, And Sirens datasheet and documents for PK-21A29WQ

PK-21A29WQ

Alarms, Buzzers, And Sirens Overview

The PK-21A29WQ is an internally driven piezoelectric indicator manufactured by Mallory Sonalert Products Inc. It operates on a DC single tone at 12V with a rated current of 18mA and a frequency of 3kHz. The device produces a sound pressure level of 85dB at 12V measured at 30cm. It features wire lead termination and panel mount installation style.

Alarms, Buzzers, And Sirens Feature Summary

Internally driven piezoelectric design for direct connection
Single tone audio output capability
Wire lead termination for flexible integration

Alarms, Buzzers, And Sirens Applications

Panel mounted industrial indicators
Equipment status signaling
Control panel alarm systems

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific voltage rating and acoustic performance against the official datasheet before integration. Confirm that the wire lead termination method matches the target assembly requirements. Ensure the operating temperature range aligns with the environmental conditions of the intended application site to guarantee reliable long-term operation.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a simple, internally driven audible signal is required for panel mounting. The 12VDC specification suits standard low-voltage control circuits. Consider the 85dB output level relative to ambient noise levels in the deployment environment to ensure adequate audibility without requiring additional amplification stages.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the Mallory Sonalert portfolio of audio indicators and alarms. The manufacturer specializes in piezoelectric devices for industrial, medical, and consumer applications. The SC series heritage informs the design philosophy of these compact, reliable alerting components used globally in safety and monitoring equipment.