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FM-12A-900 is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists East Electronics. Its product description is BUZZER 12V 43MM TH. Review the specifications below when checking this part for your BOM.
The East Electronics FM-12A-900 is a through-hole piezoelectric acoustic alarm designed for continuous operation. It operates within a voltage range of 6 to 28 volts, with a rated voltage of 12V. The device generates a sound pressure level of 80dB at 12V measured at 60cm and draws a supply current of 20mA. Its operating frequency is 2.9kHz. The unit features PC pin termination and has a diameter of 43mm. It functions reliably in temperatures ranging from -20°C to +70°C.
Verify the specific suffix against official datasheets to confirm exact electrical characteristics and mechanical dimensions. Ensure the selected variant matches the required voltage rating and sound pressure level specifications for the target application environment. Cross-reference part numbers with manufacturer documentation to avoid substitution errors.
Select this component when a continuous tone alarm is required for industrial or consumer applications. Consider the 80dB output level and 2.9kHz frequency for audibility requirements. Evaluate the 6-28V input range compatibility with the system power supply. Confirm that the 43mm diameter fits within the available enclosure space.
This model belongs to the East Electronics FM series of piezoelectric buzzers. These components are engineered for general-purpose acoustic signaling. The series offers various voltage and sound pressure configurations. The FM-12A-900 specifically targets mid-range volume applications requiring robust through-hole construction.
Public confirmed substitute part numbers are not available in the provided source material.
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