HSMS-281E-TR2G

RF Diode Overview

The HSMS-281E-TR2G 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-323 package with three leads. Key electrical specifications include a maximum breakdown voltage of 20 V, a typical forward voltage of 400 mV at 1 mA forward current, and a reverse leakage current of 200 nA at 20 V reverse bias. The device exhibits a typical capacitance of 1.2 pF and 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 analog and digital circuits
• Six-sigma quality level with low Failure in Time (FIT) rate
• Wafer-matched pairs and quads ensure high degree of matching characteristics

RF Diode Applications

• Analog signal processing circuits
• Digital switching applications
• RF detection and mixing

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lead-free designation indicated by the 'G' suffix. Check for obsolescence notices as manufacturing processes may change. Ensure storage conditions adhere to moisture sensitivity levels to prevent damage before assembly.

RF Diode Selection Notes

Select this part when low flicker noise is critical compared to standard Schottky diodes. The Common Anode configuration requires specific circuit topology considerations. Compare SPICE parameters against HSMS-280x for higher voltage needs or HSMS-282x for lower series resistance requirements. Ensure the SOT-323 footprint matches the PCB layout design.

RF Diode Part Context

This component belongs to the HSMS-281x family of surface mount RF Schottky barrier diodes manufactured by Broadcom Limited. The series includes various configurations such as single, dual, and quad versions in packages like SOT-23, SOT-143, SOT-323, and SOT-363. The 'E' designation specifically indicates the Common Anode configuration within this lineup.

RF Diode Replacement Considerations

HSMS-281C-TR2G (Series Configuration)

RF Diode FAQ

What does the 'E' marking code indicate for this device?

The 'E' marking code identifies the HSMS-281E variant, which features a Common Anode configuration.

How is the capacitance measured for quad versions of this series?

Quad capacitance is measured using an HP4271 LCR meter at 20 mV R.M.S. and 1 MHz, isolating individual branches to determine diagonal and adjacent capacitances.

What is the maximum junction temperature for this diode?

The maximum junction temperature (Tj) is 150°C.