HSMS-281C-TR1G

RF Diode Overview

The HSMS-281C-TR1G is a surface mount RF Schottky barrier diode manufactured by Broadcom Limited. It features a dual series configuration housed in an SOT-323-3 package. The device operates with a maximum breakdown 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, reverse leakage current of 200 nA at 20 V, and junction capacitance of 1.2 pF at 0 V. The component supports a junction temperature range from -65°C to +150°C and is supplied in tape and reel packaging.

RF Diode Feature Summary

• Designed for low flicker noise performance suitable for analog and digital applications
• Manufactured using silicon technology with six-sigma quality levels
• Available in lead-free options compliant with environmental standards

RF Diode Applications

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

RF Diode Procurement Notes

Verify the specific suffix TR1G indicates a 7-inch tape and reel quantity of 3000 units. Confirm RoHS compliance status through official documentation as manufacturing sources may vary. Check for End-of-Life notices or Product Change Notifications regarding availability and sourcing channels before finalizing procurement plans.

RF Diode Selection Notes

Select this component when low flicker noise is required compared to standard Schottky families. Ensure the 20 V breakdown voltage meets circuit requirements. Verify that the SOT-323-3 footprint matches the PCB layout design. Consider thermal resistance limits during high-current operation to maintain junction temperature within specified ratings.

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. The HSMS-281x family is characterized by very low flicker noise, distinguishing it from the HSMS-280x and HSMS-282x families which prioritize different electrical characteristics.

RF Diode Replacement Considerations

HSMS-281B-TR1G serves as a single diode alternative within the same series. HSMS-281E-TR1G provides a common anode configuration. HSMS-281F-TR1G offers a common cathode setup. All variants share similar electrical parameters and package types.