HSMS-281E-TR1G

RF Diode Overview

The HSMS-281E-TR1G is a surface mount RF Schottky barrier diode from the Broadcom HSMS-281x series, designed for analog and digital applications requiring low flicker noise. It features a Common Anode configuration housed in an SOT-363 package with six leads. Key electrical specifications include a breakdown voltage of 20 V, a maximum forward voltage of 400 mV at 1 mA forward current, and a reverse leakage current of 200 nA at 5 V reverse bias. The device exhibits a typical capacitance of 1.2 pF at 0 V and a dynamic resistance of 15 Ω at 5 mA. It operates within a junction temperature range of -65°C to +150°C.

RF Diode Feature Summary

• Low flicker (1/f) noise performance suitable for sensitive signal processing
• Six-sigma quality level with low Failure in Time (FIT) rate
• Wafer-matched pairs and quads ensure high degree of matching

RF Diode Applications

• Analog circuit design
• Digital circuit design
• RF detection applications

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Check for End-of-Life notices or Product Change Notices that may affect long-term availability. Ensure storage conditions meet moisture sensitivity requirements prior to assembly.

RF Diode Selection Notes

Select this component when low flicker noise is critical compared to standard Schottky alternatives like the HSMS-282x series. Choose the Common Anode configuration specifically required by the circuit topology. Verify that the SOT-363 package footprint aligns with the PCB layout constraints and automated assembly capabilities.

RF Diode Part Context

This part belongs to the HSMS-281x family of surface mount RF Schottky barrier diodes. The series offers various configurations including single, dual, and quad versions in packages such as SOT-23, SOT-143, SOT-323, and SOT-363. The 'E' suffix denotes the Common Anode configuration, while 'TR1G' indicates tape and reel packaging with lead-free composition.

RF Diode Replacement Considerations

Other parts in the HSMS-281x series share similar electrical characteristics but differ in configuration and package. For example, HSMS-281C-TR1G is a Series configuration in SOT-323, and HSMS-281K-TR1G is a High Isolation Unconnected Pair in SOT-363. Direct pin-to-pin replacement requires verifying the specific internal connection scheme matches the design intent.