HSMS-2864-TR1G

RF Diode Overview

The HSMS-2864-TR1G is a surface mount microwave Schottky detector diode from the Broadcom HSMS-286x family, housed in an SOT-143 package. It features a common cathode configuration with two matched diodes. Key electrical specifications include a typical forward voltage of 250 mV (max 350 mV) at 1.0 mA and a typical capacitance of 0.30 pF at 0 V reverse bias and 1 MHz. The device operates within a frequency range of 915 MHz to 5.8 GHz, offering tangential sensitivity of -57 dBm at 915 MHz and voltage sensitivities up to 50 mV/µW at 915 MHz, 35 mV/µW at 2.45 GHz, and 25 mV/µW at 5.80 GHz. Absolute maximum ratings specify a peak inverse voltage of 4.0 V and a junction temperature limit of 150°C.

RF Diode Feature Summary

• Common cathode configuration providing matched diodes for consistent performance in differential or doubler circuits.
• Optimized for high detection sensitivity across UHF to C-band frequencies suitable for RF/ID applications.
• Surface mount packaging designed to save board space and reduce assembly costs.

RF Diode Applications

• RF/ID and RFID tag power harvesting
• Large signal detection and modulation
• RF to DC conversion and voltage doubling

RF Diode Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm lead-free compliance and tape-and-reel packaging details. Ensure the component matches the required SOT-143 footprint and common cathode pinout for your circuit design.

RF Diode Selection Notes

Select this part when a common cathode arrangement is required for differential detection or voltage doubling topologies. Consider the thermal resistance characteristics of the SOT-143 package if high power dissipation is anticipated, as copper leadframes in smaller packages offer better thermal conductivity.

RF Diode Part Context

This component belongs to the HSMS-286x series of surface mount microwave Schottky detector diodes. The series includes various configurations such as single diodes, series pairs, and unconnected pairs in SOT-23, SOT-143, SOT-323, and SOT-363 packages to address different isolation and matching requirements.

RF Diode Replacement Considerations

HSMS-286B-TR1G

RF Diode FAQ

What is the diode configuration for the HSMS-2864?

The HSMS-2864 features a common cathode configuration, making it suitable for differential detector circuits or voltage doublers where matched diodes are needed.

What is the typical capacitance of the HSMS-2864?

The typical capacitance is 0.30 pF, measured at 0 V reverse bias and 1 MHz frequency.

How does the HSMS-2864 perform in terms of voltage sensitivity?

It provides typical voltage sensitivities of 50 mV/µW at 915 MHz, 35 mV/µW at 2.45 GHz, and 25 mV/µW at 5.80 GHz under specified test conditions.