HSMP-381E-BLKG

RF Diode Overview

The HSMP-381E-BLKG is a silicon PIN diode from the HSMP-381x series, designed for low distortion attenuator applications. It features a common anode configuration in a surface-mount 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 Ohms at 1 mA forward current and a carrier lifetime of 1500 ns. It supports a maximum forward current of 1 A (1 μs pulse) and operates within a temperature range of -65°C to +150°C.

RF Diode Feature Summary

• Optimized for low distortion attenuating applications
• Designed for microwave frequency operation
• Surface mount construction in SOT-323 package

RF Diode Applications

• Low distortion attenuator circuits
• Microwave frequency signal processing

RF Diode Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm the specific ordering suffix matches the required packaging format. Ensure compliance with RoHS directives as indicated by the lead-free designation. Validate that the common anode configuration aligns with circuit design requirements before procurement.

RF Diode Selection Notes

Select this component when low distortion attenuation is critical for the application. The common anode configuration requires appropriate biasing circuitry. Verify that the 100 V breakdown voltage meets system peak inverse voltage requirements. Consider the 53 Ohm series resistance impact on insertion loss at the operating frequency.

RF Diode Part Context

This part belongs to the Broadcom HSMP-381x family of surface mount RF PIN diodes. The series includes single, series, common anode, common cathode, and reverse series configurations. The HSMP-381E specifically denotes the common anode variant within the SOT-323 package lineup, sharing core electrical characteristics with other members of the 381x group.

RF Diode Replacement Considerations

HSMP-381C-BLKG (Series Configuration)

RF Diode FAQ

What is the carrier lifetime of the HSMP-381E-BLKG?

The typical carrier lifetime is 1500 ns.

What is the maximum total capacitance specified for this diode?

The maximum total capacitance is 0.35 pF, measured at 50 V reverse bias and 1 MHz.

Is a SPICE model available for this component?

No, a SPICE model is not available because standard SPICE does not account for carrier lifetime, a key characteristic of PIN diodes.