HSMP-389C-TR1G

RF Diode Overview

The HSMP-389C-TR1G is a surface mount RF PIN switch diode from the HSMP-389x series, manufactured by Broadcom Limited. It features a Series configuration housed in an SOT-23 package with a laser-marked code 'C'. The device has a minimum breakdown voltage (VBR) of 100 V, a maximum series resistance (RS) of 2.5 Ω at 100 MHz, and a total capacitance (CT) of 0.30 pF at 1 MHz. Typical parameters include a series resistance of 3.8 Ω and a carrier lifetime of 200 ns. It operates within a junction temperature range of -65°C to +150°C.

RF Diode Feature Summary

• Optimized for switching applications requiring low resistance at low current and low capacitance.
• Features unique configurations in surface mount packages to save board space and reduce cost.
• Includes matched diodes for consistent performance and better thermal conductivity for higher power dissipation.

RF Diode Applications

• RF switching circuits requiring low parasitic capacitance.
• Low current switching applications.
• Surface mount designs prioritizing board space efficiency.

RF Diode Procurement Notes

Verify the specific ordering suffix '-TR1G' corresponds to the tape and reel packaging containing 3000 devices per 7-inch reel as defined in the datasheet. Confirm that the component is lead-free and conforms to RoHS standards. Ensure compatibility with standard surface mount assembly processes, noting the maximum soldering temperature limit of 260°C for 5 seconds.

RF Diode Selection Notes

Select this component when a Series PIN diode configuration is required for RF switching. The 100 V breakdown voltage and 0.30 pF capacitance make it suitable for high-isolation applications. Consider the SOT-23 package dimensions for PCB layout constraints. Verify that the forward bias current requirements align with the typical performance curves provided in the electrical specifications.

RF Diode Part Context

This part belongs to the HSMP-389x series of surface mount RF PIN switch diodes. The series offers various internal configurations, including Single, Series, Common Anode, Common Cathode, and Unconnected Pair/Trio options. The HSMP-389C specifically denotes the Series configuration within the SOT-23 package family, designed for flexibility in circuit design.

RF Diode Replacement Considerations

Direct substitutes within the same series include HSMP-3890 (Single), HSMP-3893 (Common Anode), and HSMP-3894 (Common Cathode). For different package types, consider HSMP-489x series parts which feature ultra-low parasitic inductance but require specific layout techniques such as co-planar waveguide or microstrip connections.