CPE-203

Alarms, Buzzers, And Sirens Overview

The CPE-203 is a through-hole piezoelectric indicator buzzer manufactured by Same Sky. It operates on a nominal voltage of 12 VDC with a supply range of 3 to 20 VDC. The device draws a current of 9 mA and produces a sound pressure level of 86 dB at 12 V measured from a distance of 30 cm. Its operating frequency is 3.4 kHz, and it features an internally driven circuit for simple tone operation. The unit has a diameter of 24.50 mm and a maximum height of 16.50 mm.

Alarms, Buzzers, And Sirens Feature Summary

• Internally driven piezoelectric technology eliminates the need for external oscillators
• Supports single-tone operation for straightforward integration
• Through-hole mounting style ensures secure PCB attachment

Alarms, Buzzers, And Sirens Applications

• Industrial control panels
• Consumer appliance status indicators
• Medical equipment signaling

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm exact acoustic and electrical characteristics. Ensure the selected variant matches the required voltage and mounting configuration for the target application. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement orders.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a reliable, low-current audible signal is required for embedded systems. The internal driver simplifies schematic design by reducing component count. Verify that the 86 dB output level meets the ambient noise requirements of the installation environment. Confirm mechanical dimensions fit within the designated enclosure space.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the CPE series of piezoelectric buzzers from Same Sky. The series offers various voltage ratings and mounting options. The CPE-203 specifically targets applications requiring a standard 12 V drive with moderate acoustic output. It serves as a direct replacement for legacy components in existing designs requiring through-hole assembly.

Alarms, Buzzers, And Sirens FAQ

Does the CPE-203 require an external oscillator?

No, the CPE-203 features an internally driven circuit, allowing it to operate directly from a DC voltage source without additional components.

What is the operating voltage range?

The device supports a voltage range of 3 VDC to 20 VDC, with a nominal rating of 12 VDC.