PKLCS1212E20A0-R1

$1.07

Description：BUZZER PIEZO 1.5V 12X12MM SMD
Series：PK
Mfr：Murata Electronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:91c535828eb0 Category: Alarms, Buzzers, and Sirens Brand: Murata Electronics

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Product introduction

Product Detailed Parameters

Description：BUZZER PIEZO 1.5V 12X12MM SMD
Series：PK
Mfr：Murata Electronics
Package：Tape & Reel (TR),Cut Tape (CT)
Driver Circuitry：Transducer, Externally Driven
Input Type：Zero-Peak Signal
Frequency：2kHz
Technology：Piezo
Operating Mode：Single Tone
Duration：-
Sound Pressure Level (SPL)：70dB @ 1.5V, 10cm
Current - Supply：-
Port Location：Side
Operating Temperature：-40°C ~ 85°C
Approval Agency：-
Ratings：-
Ingress Protection：-
Mounting Type：Surface Mount
Termination：Solder Pads
Height - Seated (Max)：0.118" (3.00mm)
Voltage - Rated：1.5 V
Voltage Range：12.5V (Max)
Size / Dimension：0.472" L x 0.472" W (12.00mm x 12.00mm)

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PKLCS1212E20A0-R1

Overview

The PKLCS1212E20A0-R1 is a surface-mount piezoelectric sounder manufactured by Murata Electronics. It features an external drive mechanism and operates at a resonant frequency of 2 kHz. The device has a maximum rated voltage of 25V and a nominal operating voltage of 18V. It delivers a sound pressure level (SPL) of 70 dB. The component utilizes a low-profile SMD package with dimensions of 12 mm x 12 mm x 3 mm. It is designed for operation within a temperature range of -40°C to +85°C.

Feature Summary

Low profile surface mount construction suitable for space-constrained designs
Piezoelectric transduction mechanism requiring external driving circuitry
Reflow solder compatible for automated assembly processes

Applications

Portable electronic devices
Industrial equipment signaling
Automotive interior applications

Procurement Notes

Verify the specific suffix 'R1' against the official Murata datasheet to confirm tape-and-reel packaging specifications. Ensure the external driver circuit supports the 18V nominal requirement and 25V maximum limit. Confirm RoHS compliance status for the specific production batch prior to integration into final assemblies.

Selection Notes

Select this component when a low-profile, high-integrity acoustic signal is required in portable or industrial environments. The 2 kHz frequency provides distinct audibility. Compare against the PKLCS1212E40A1-R1 if a higher frequency tone is preferred. Ensure the PCB footprint matches the 12x12mm SMD pad layout specified in the mechanical drawings.

Part Context

This part belongs to the PKLCS family of piezoelectric sounders from Murata Electronics. The family is characterized by its small form factor and suitability for both consumer and automotive markets. The 12x12mm size represents a compact solution compared to larger through-hole alternatives, facilitating dense PCB layouts.