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— IC芯片 | 连接器 | 传感器 | 被动器件 —
EFM-320S is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists East Electronics. Its product description is BUZZER 12V 45MM WIRE. Review the specifications below when checking this part for your BOM.
The EFM-320S is a fixed attenuator manufactured by East Electronics. It operates within a frequency range of 0 MHz to 12,400 MHz. The device provides a nominal attenuation value of 30 dB with a characteristic impedance of 50 Ω. It utilizes a coaxial construction and SMA-F connector interface. The unit is designed for high-frequency signal processing applications requiring precise power reduction.
Verify the specific datasheet version from East Electronics to confirm mechanical dimensions and connector polarity. Ensure the operating environment temperature falls within the specified limits for the SMA-F interface. Cross-reference the 50 Ohm impedance requirement with the rest of the RF chain to prevent mismatch losses.
Select this component when a fixed 30 dB reduction is required up to 12.4 GHz. Compare insertion loss specifications against system budget requirements. Confirm that the physical package size fits the available PCB or chassis space. Validate compatibility with existing SMA connectors in the assembly.
East Electronics produces passive RF components including attenuators and couplers. The EFM series focuses on broadband performance for industrial and communications sectors. This model represents a standard fixed-value solution for signal level adjustment without active power requirements.
Check for direct substitutes from Smiths Group or EMC Technology RF Labs offering identical 30 dB attenuation and SMA interfaces. Verify pinout and mounting hole patterns match before substitution.
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