HSMP-381F-TR1G

RF Diode Overview

The HSMP-381F-TR1G is a surface mount RF PIN diode from the Broadcom HSMP-381x series, designed for low distortion attenuator applications. It features a common cathode configuration within an SOT-323 package. Key electrical specifications include a minimum breakdown voltage of 100 V and a maximum total capacitance of 0.35 pF at 50 V reverse bias. The device exhibits a typical series resistance of 53 Ω at 1 mA forward current and a carrier lifetime of 1500 ns. It operates reliably across a temperature range of -65°C to +150°C.

RF Diode Feature Summary

• Optimized for low distortion attenuation in microwave frequency operations
• Features ultra-low parasitic inductance suitable for high-frequency circuits
• Lead-free construction compliant with environmental standards

RF Diode Applications

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

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific obsolescence notifications regarding the HSMP-381x family. Ensure packaging options match production requirements, as tape and reel quantities vary by suffix.

RF Diode Selection Notes

Select this part for designs requiring common cathode PIN diode configurations in compact SOT-323 footprints. Consider the 1500 ns carrier lifetime when determining switching speeds. Verify that the 0.35 pF maximum capacitance meets the isolation requirements of the target frequency band.

RF Diode Part Context

This component belongs to the HSMP-381x series of surface mount RF PIN diodes manufactured by Broadcom Limited. The series includes various configurations such as single, series, and dual versions. The HSMP-381F specifically denotes the common cathode variant within this lineup, sharing general performance characteristics with other members like the HSMP-381E and HSMP-381C.

RF Diode Replacement Considerations

Direct substitutes within the same series include HSMP-381E (Common Anode) and HSMP-381C (Series). For different configurations, consider HSMP-481B or HSMP-3810, noting differences in lead code and internal connectivity.