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EFM-472A is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists East Electronics. Its product description is BUZZER 12V 30MM TH. Review the specifications below when checking this part for your BOM.
The EFM-472A is a 12V through-hole buzzer manufactured by East Electronics. It operates at a frequency of 3.5kHz with a sound pressure level of 90dB @ 12V, 100cm. The rated voltage is 12V, with an operating range of 3 to 20V. The device supports continuous operating mode and features a 30mm package size.
Verify the specific datasheet version from East Electronics or authorized distributors to confirm mechanical dimensions and electrical tolerances. Ensure the procurement channel provides genuine components with traceable origin. Cross-reference the part number EFM-472A against official manufacturer catalogs to validate specifications before integration into designs.
Select this component when a water-resistant, through-hole buzzer is required for outdoor or harsh environments. The 12V rating and 3.5kHz frequency are key parameters for compatibility with existing drive circuits. Consider the 90dB SPL output for audibility requirements at a distance of 100cm.
This component belongs to the East Electronics buzzer family, specifically designed for audible signaling applications. It is categorized under alarms, buzzers, and sirens. The EFM series typically offers robust construction for demanding conditions, distinguishing it from standard indoor electronic components.
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with direct replacements by matching voltage, frequency, SPL, and mounting type.
The operating voltage range is 3 to 20V.
Yes, it is described as durable and water-resistant, suitable for outdoor use in harsh environments.
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