HSMS-281F-TR1G

RF Diode Overview

The HSMS-281F-TR1G is a surface mount RF Schottky barrier diode manufactured by Broadcom Limited. It features a Common Cathode configuration housed in an SOT-323 package with three leads. The device operates with a breakdown voltage of 20 V and a maximum forward voltage of 400 mV at 1 mA forward current. Reverse leakage current is limited to 200 nA at 20 V reverse bias, while junction capacitance measures 1.2 pF at 0 V. Dynamic resistance is specified at 15 Ω at 5 mA. The component supports a junction temperature range from -65°C to +150°C and is supplied in a tape and reel format.

RF Diode Feature Summary

• Designed for low flicker noise performance suitable for analog and digital applications
• Manufactured using six-sigma quality level processes
• Available in lead-free packaging options

RF Diode Applications

• Mixing circuits
• Signal detection
• Switching operations
• Sampling systems
• Clamping applications

RF Diode Procurement Notes

Verify the specific ordering suffix to confirm the packaging quantity and lead-free status. The TR1 designation indicates a 7-inch reel containing 3000 units. Confirm RoHS compliance through official manufacturer documentation or authorized distributor certificates before finalizing procurement plans.

RF Diode Selection Notes

Select this component when low flicker noise is required compared to standard Schottky alternatives. The Common Cathode configuration allows for shared ground connections in dual-diode setups. Ensure the 20 V breakdown voltage meets circuit requirements and verify that the SOT-323 footprint aligns with the PCB layout design.

RF Diode Part Context

This part belongs to the HSMS-281x series of surface mount RF Schottky barrier diodes. The series provides various configurations including single, dual, and quad versions. The F suffix specifically denotes the Common Cathode arrangement within the SOT-323 package family.

RF Diode Replacement Considerations

Check datasheets for other HSMS-281x variants with matching electrical parameters. Verify pinout compatibility for Common Cathode configurations in SOT-323 packages before substitution.