HSMS-2863-TR2G

RF Diode Overview

The HSMS-2863-TR2G is a surface mount microwave Schottky detector diode from the HSMS-286x family, manufactured by Broadcom Limited. Designed for operation between 915 MHz and 5.8 GHz, it features a Common Anode configuration within an SOT-143 package. Key electrical specifications include a typical forward voltage of 250 mV (maximum 350 mV) at 1.0 mA and a typical capacitance of 0.30 pF at 0 V reverse bias and 1 MHz. The device offers high detection sensitivity, reaching up to 50 mV/µW at 915 MHz, 35 mV/µW at 2.45 GHz, and 25 mV/µW at 5.80 GHz. It supports absolute maximum ratings of 4.0 V peak inverse voltage and a junction temperature up to 150 °C.

RF Diode Feature Summary

• Optimized for RF/ID and RFID tag applications across 915 MHz to 5.8 GHz bands
• High detection sensitivity with superior voltage-to-power conversion characteristics
• Matched diodes within packages ensure consistent performance and low variance
• Enhanced thermal conductivity via copper leadframe in miniature surface mount packages

RF Diode Applications

• RF identification (RFID) tags and readers
• Large signal detection and modulation circuits
• RF to DC conversion and voltage doubling networks
• Microwave mixer and sampling applications

RF Diode Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm that the ordering suffix corresponds to the specified tape and reel packaging format. Ensure compliance with RoHS directives if lead-free options are required for the specific manufacturing process. Validate that the supplier provides valid traceability documentation for quality assurance purposes.

RF Diode Selection Notes

Select this component when a common anode configuration is required for differential or bridge detector topologies. Consider the SOT-143 package for its balance of board space and thermal dissipation compared to smaller alternatives. Evaluate the need for DC biasing to optimize video impedance and square law dynamic range for specific frequency bands.

RF Diode Part Context

This part belongs to the HSMS-286x series of surface mount microwave Schottky detector diodes. The series includes various configurations such as single, series pair, common cathode, and unconnected pairs to provide design flexibility. Broadcom utilizes adjacent wafer sites for multi-diode packages to maximize matching accuracy and performance consistency.

RF Diode Replacement Considerations

Direct substitutes within the same family include HSMS-286B (Single), HSMS-286C (Series Pair), and HSMS-286E (Common Anode in SOT-323). Verify pinout compatibility and package dimensions before substitution. Cross-family replacements require re-evaluation of sensitivity and capacitance parameters.