HSMS-281K-BLKG

RF Diode Overview

The HSMS-281K-BLKG is a surface-mount RF Schottky barrier diode manufactured by Broadcom Limited. It features a high-isolation unconnected pair configuration housed in a SOT-363 package. The device utilizes silicon technology and operates within a junction temperature range of -65°C to +150°C. Key electrical specifications include a maximum breakdown voltage of 20 V, a forward voltage of 410 mV at 1 mA, and a reverse leakage current of 200 nA at 20 V. The typical capacitance is 1.2 pF at 0 V, with a dynamic resistance of 15 Ω at 5 mA.

RF Diode Feature Summary

• Designed for analog and digital applications requiring low flicker noise performance
• Manufacturing techniques ensure matched diodes taken from adjacent wafer sites
• Available in single, dual, and quad configurations with tape and reel options

RF Diode Applications

• Low noise mixer circuits
• RF detection applications
• High isolation switching designs

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix BLKG corresponds to the SOT-363 package and high-isolation unconnected pair configuration. Check for RoHS compliance status and lead-free availability if required by assembly standards. Ensure storage conditions adhere to moisture sensitivity levels specified in the datasheet.

RF Diode Selection Notes

Select this component when low flicker noise and high isolation between diodes are critical requirements. The SOT-363 package suits space-constrained surface mount designs. Compare SPICE parameters against alternative families like HSMS-282x for series resistance differences. Ensure the 20 V breakdown voltage meets circuit peak inverse voltage demands.

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, series, common anode, common cathode, and quad versions. The HSMS-281x family is characterized by lower 1/f flicker noise compared to other families in the product line.

RF Diode Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.