CPE-251

$4.05

Description：BUZZER PIEZO 12V 28.00MM FLANGE
Series：CPE
Mfr：Same Sky (Formerly CUI Devices)
Package：Box

SKU:339c356645fa Category: Alarms, Buzzers, and Sirens Brand: Same Sky (Formerly CUI Devices)

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Product introduction

CPE-251 is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists Same Sky (Formerly CUI Devices). Its product description is BUZZER PIEZO 12V 28.00MM FLANGE. Review the specifications below when checking this part for your BOM.

Alarms, Buzzers, And Sirens specifications for CPE-251

Description：BUZZER PIEZO 12V 28.00MM FLANGE
Series：CPE
Mfr：Same Sky (Formerly CUI Devices)
Package：Box
Driver Circuitry：Indicator, Internally Driven
Input Type：DC
Frequency：3.5kHz
Technology：Piezo
Operating Mode：Pulse, Fast
Duration：-
Sound Pressure Level (SPL)：82dB @ 12V, 30cm
Current - Supply：5mA
Port Location：Top
Operating Temperature：-30°C ~ 85°C
Approval Agency：-
Ratings：-
Ingress Protection：-
Mounting Type：Panel Mount, Flange
Termination：Wire Leads
Height - Seated (Max)：1.020" (25.90mm)
Voltage - Rated：12 V
Voltage Range：4 ~ 28V
Size / Dimension：1.102" Dia (28.00mm)

Alarms, Buzzers, And Sirens datasheet and documents for CPE-251

CPE-251

Alarms, Buzzers, And Sirens Overview

The CPE-251 is a piezoelectric audio indicator manufactured by Same Sky. It features a diameter of 28.00 mm and a maximum height of 25.90 mm. The device operates within a voltage range of 4 to 28 VDC, with a rated voltage of 12 VDC. It produces a sound pressure level of 82 dB at 12 VDC measured at 30 cm distance. The operating frequency is 3.5 kHz, and the supply current is 5 mA. It supports pulse and fast modes, with wire leads for connection.

Alarms, Buzzers, And Sirens Feature Summary

Piezoelectric technology for reliable acoustic signaling
Internal drive circuitry simplifies integration
Panel or flange mounting options available
Top-mounted port position for clear sound projection

Alarms, Buzzers, And Sirens Applications

Industrial equipment status indication
Consumer appliance audio alerts
Control panel feedback systems
Automotive dashboard indicators

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific voltage rating and sound pressure level requirements against the official datasheet before procurement. Confirm that the wire lead termination style matches the assembly process. Ensure the operating temperature range of -30°C to 85°C aligns with the intended environmental conditions. Check for RoHS compliance status if required by project specifications.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a compact, high-output piezoelectric buzzer is needed for panel mounting applications. The internal driver allows direct interfacing without complex external circuitry. Consider the 28 mm diameter constraint for enclosure design. Evaluate the 82 dB output against ambient noise levels to ensure audibility.

Alarms, Buzzers, And Sirens Part Context

The CPE-251 belongs to the CPE series of audio indicators from Same Sky, formerly CUI Devices. This series focuses on robust piezoelectric solutions for various alerting needs. The component represents a standard offering in industrial-grade audio signaling, balancing performance with ease of installation through its dedicated mounting and wiring configurations.