HSMP-389D-TR1G

RF Diode Overview

The HSMP-389D-TR1G is a PIN diode manufactured by Broadcom Limited, designed for RF switching applications. It features a maximum reverse breakdown voltage of 50 V and a maximum diode capacitance of 200 fF. The device supports a forward current of 1 A with a maximum series resistance of 1.5 Ohms at mid-frequency. Operating temperatures range from -65 °C to +150 °C. The component utilizes an SMD/SMT installation style within a SOT-23 package.

RF Diode Feature Summary

• High-speed RF switching capability enabled by low junction capacitance
• Robust thermal performance supporting extended operating temperature ranges
• Compact surface-mount form factor suitable for space-constrained designs

RF Diode Applications

• RF signal routing in communication systems
• Antenna switching circuits
• Attenuator control networks

RF Diode Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with authorized distributors or the manufacturer before procurement. Confirm that the SOT-23 package dimensions match the target PCB footprint requirements. Ensure supply chain sources are legitimate to avoid counterfeit components, as availability may be restricted due to product lifecycle status.

RF Diode Selection Notes

Select this component when a low-capacitance PIN diode is required for high-frequency switching operations. The 50 V reverse voltage rating defines the maximum isolation voltage limits. Compare the 1.5 Ohm series resistance against circuit insertion loss requirements. Verify that the SOT-23 package aligns with existing assembly capabilities and thermal management strategies.

RF Diode Part Context

This part belongs to the Broadcom HSMP-38x series of PIN diodes, which are widely used in RF and microwave applications. The series offers various configurations tailored for different voltage and capacitance needs. The HSMP-389D-TR1G specifically targets applications requiring moderate reverse voltage handling with minimal signal attenuation in the off-state.

RF Diode Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements may differ in parasitic parameters or thermal characteristics.