HSMP-381F-BLKG

RF Diode Overview

The HSMP-381F-BLKG is a silicon PIN diode in the HSMP-381x series, designed for low distortion attenuator applications. It features a common cathode configuration housed in an SOT-323 (SC-70) surface mount package. The device operates within a frequency range of 30 MHz to 30 GHz and withstands a minimum breakdown voltage of 100 V. Key electrical parameters include a maximum total capacitance of 0.35 pF at 50 V reverse bias, a typical carrier lifetime of 1500 ns, and a reverse recovery time of 300 ns. Maximum series resistance is 53 Ohms at 1 mA forward current.

RF Diode Feature Summary

• Optimized for low distortion attenuating applications
• Designed for microwave frequency operation
• Low failure in time (FIT) rate

RF Diode Applications

• Low distortion RF attenuators
• Microwave frequency switching circuits
• High-frequency signal processing systems

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for end-of-life notifications prior to procurement. Ensure storage conditions adhere to specified temperature ranges to maintain device integrity during handling and assembly processes.

RF Diode Selection Notes

Select this component when low distortion attenuation is required in microwave circuits. Verify that the common cathode configuration matches the circuit topology. Ensure the SOT-323 package footprint aligns with the PCB layout design. Consider the 1500 ns carrier lifetime for timing-sensitive applications requiring specific switching speeds.

RF Diode Part Context

This part belongs to the Broadcom HSMP-381x series of surface mount RF PIN diodes. The series includes variants with different lead codes and configurations, such as single, series, common anode, and reverse series options. The HSMP-381F specifically denotes the common cathode variant within this family.

RF Diode Replacement Considerations

Check for availability of alternative pin diodes with similar capacitance and breakdown voltage ratings. Verify package compatibility if substituting with other SOT-323 devices. Ensure replacement parts meet the same low distortion requirements for the intended attenuator application.

RF Diode FAQ

What is the carrier lifetime of the HSMP-381F?

The typical carrier lifetime is 1500 ns.

What is the maximum operating frequency?

The device supports frequencies up to 30 GHz.

Is the HSMP-381F lead-free?

Yes, the datasheet specifies that the device is lead-free.