FM-12A-903

Alarms, Buzzers, And Sirens Overview

The FM-12A-903 is a through-hole piezoelectric buzzer manufactured by East Electronics. It operates at a nominal voltage of 12V with a current consumption of 20mA. The device produces an acoustic output of 80dB measured at 12V and a distance of 60cm. Its resonant frequency is 2.9kHz, and it functions in a slow pulse mode. The unit features PC pins for mounting and has a diameter of 43mm. The operating temperature range spans from -20°C to +70°C.

Alarms, Buzzers, And Sirens Feature Summary

• Produces high-intensity audible alerts via piezoelectric technology
• Designed for reliable operation within standard industrial temperature ranges
• Utilizes through-hole mounting configuration for secure PCB integration

Alarms, Buzzers, And Sirens Applications

• Industrial control panel alarms
• Appliance status indicators
• Security system sirens

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct operational parameters. Confirm that the required voltage and current ratings align with the target circuit design before procurement. Check for RoHS compliance requirements if applicable to the end product specifications.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a loud, distinct alarm signal is required for safety or status notification. The 12V rating suits systems with available 12V power rails. Consider the 43mm diameter for enclosure space constraints. Ensure the driving circuit can supply the specified 20mA current continuously during operation.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the FM series of acoustic alarms from East Electronics. The series includes various models differentiated by voltage, frequency, and sound pressure levels. The FM-12A-903 represents a specific configuration optimized for 12V applications with a 2.9kHz tone.

Alarms, Buzzers, And Sirens Replacement Considerations

Direct substitutes include other East Electronics models such as the FM-12A-900 or FM-12H-900, provided they match the electrical and mechanical requirements. Verify pin compatibility and mounting dimensions before substitution.