HSMS-2865-TR2G

RF Diode Overview

The HSMS-2865-TR2G is a surface mount microwave Schottky detector diode from the HSMS-286x family, manufactured by Broadcom Limited. It is housed in an SOT-143 package and configured as an unconnected pair of diodes. The device operates within the frequency range of 915 MHz to 5.8 GHz. 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 peak inverse voltage is rated at 4.0 V, with a maximum junction temperature of 150°C.

RF Diode Feature Summary

• Optimized for RF/ID and RFID applications across UHF and ISM bands
• Provides high detection sensitivity for large signal detection and modulation
• Features matched diodes from adjacent wafer sites for consistent performance
• Supports differential detector circuits requiring isolated reference elements

RF Diode Applications

• RF identification (RFID) tag circuits
• Differential detector configurations for temperature compensation
• Large signal detection and RF to DC conversion
• Voltage doubling circuits

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix corresponds to the tape and reel packaging format required for automated assembly processes. Ensure compliance with RoHS directives if lead-free variants are mandated for the production environment.

RF Diode Selection Notes

Select this component when a dual-diode configuration with electrical isolation between elements is required for differential sensing. The SOT-143 package offers a balance of thermal dissipation and board space efficiency compared to smaller packages. Evaluate the need for matched forward voltage characteristics to ensure accurate differential amplification in the target circuit design.

RF Diode Part Context

This part belongs to the HSMS-286x series of surface mount microwave Schottky detector diodes. The series includes various package options such as SOT-23, SOT-323, and SOT-363, with different internal configurations like single diodes, series pairs, and common cathode arrangements. The HSMS-2865 specifically provides two independent diodes suitable for balanced detection schemes.

RF Diode Replacement Considerations

The HSMS-286K serves as a high-isolation alternative in the SOT-363 package for differential applications where greater isolation between diodes is necessary. Other series members like the HSMS-286B (single diode) or HSMS-286C (series pair) may be used if the circuit topology allows for reconfiguration.