HSMS-281E-BLKG

RF Diode Overview

The HSMS-281E-BLKG is a surface-mount RF Schottky barrier diode manufactured by Broadcom Limited. It features a dual cathode common anode configuration housed in a SOT-323-3 package. The device operates with a maximum repetitive reverse voltage of 20 V and a forward current rating of 1 A. Key electrical specifications include a typical forward voltage of 410 mV at 1 mA, a reverse leakage current of 200 nA at 20 V, and a junction capacitance of 1.2 pF at 0 V. The component supports a maximum operating temperature of +150°C and is designed for low flicker noise applications.

RF Diode Feature Summary

• Designed for analog and digital applications requiring low flicker (1/f) noise performance
• Manufactured using techniques that ensure high matching accuracy for paired devices

RF Diode Applications

• Low noise signal detection circuits
• RF mixer stages
• Analog switching applications

RF Diode Procurement Notes

Verify the specific ordering suffix to confirm the packaging format, as the BLKG designation indicates bulk packaging. Confirm RoHS compliance status through official documentation before procurement. Check for active obsolescence notices or product change notifications from the manufacturer to ensure long-term availability and supply chain stability.

RF Diode Selection Notes

Select this component when a dual common anode Schottky configuration is required within a compact SOT-323 footprint. Ensure the circuit design accommodates the 20 V peak inverse voltage limit and the 1 A forward current capability. Verify that the low flicker noise characteristic aligns with the specific sensitivity requirements of the target application.

RF Diode Part Context

This part belongs to the HSMS-281x series of surface mount RF Schottky barrier diodes. The series offers various configurations including single, dual, and quad versions to provide designer flexibility. The HSMS-281x family is specifically characterized by lower 1/f flicker noise compared to other families in the lineup.

RF Diode Replacement Considerations

Consult the manufacturer's datasheet for electrically equivalent alternatives within the HSMS-281x series. Verify pinout compatibility and package dimensions before substituting with other dual common anode Schottky diodes.