HSMP-3890-TR2G

RF Diode Overview

The HSMP-3890-TR2G is a surface mount RF PIN switch diode from Broadcom Limited, housed in an SOT-23 package. It features a single diode configuration with a peak inverse voltage of 100 V and a maximum series resistance of 2.5 Ω at 5 mA forward current. Total capacitance is specified as 0.30 pF at 1 MHz reverse bias. The device operates within a junction temperature range of -65°C to 150°C and supports a forward current pulse of 1 A. The TR2G suffix indicates tape and reel packaging containing 10,000 devices per 13-inch reel.

RF Diode Feature Summary

• Optimized for switching applications requiring low resistance at low current levels
• Designed for high-frequency operation where low capacitance is critical
• Features matched diodes for consistent performance across units
• Lead-free construction compliant with environmental standards

RF Diode Applications

• RF switching circuits requiring low insertion loss
• High isolation switch configurations
• Transmit/receive switches in communication systems
• Attenuator circuits in microstrip implementations

RF Diode Procurement Notes

Verify the specific ordering suffix matches the required packaging quantity and reel size. Confirm the package outline corresponds to the intended PCB footprint. Ensure the component meets lead-free assembly requirements if applicable to the manufacturing process. Check datasheet specifications for thermal resistance and power dissipation limits during integration.

RF Diode Selection Notes

Select this component when low parasitic capacitance and series resistance are prioritized for RF signal integrity. Consider the SOT-23 package dimensions for space-constrained designs. Evaluate the 100 V breakdown voltage against circuit operating conditions. Verify compatibility with standard surface mount reflow profiles for reliable assembly.

RF Diode Part Context

This part belongs to the HSMP-389x series of surface mount PIN diodes. The series offers various internal configurations including single, series, common anode, and common cathode arrangements. The HSMP-3890 specifically denotes the single diode variant within this family, designed for general-purpose RF switching tasks.

RF Diode Replacement Considerations

Consult official substitution lists for compatible parts. Verify electrical parameters such as series resistance and capacitance match the original design requirements. Ensure package compatibility and pinout alignment before replacing components in existing assemblies.