SMS3923-005LF

RF Diode Overview

The SMS3923-005LF is a surface mount general purpose Schottky diode from the Skyworks SMS392x series. It features a 20 V reverse voltage rating and operates at frequencies up to 6 GHz. The device utilizes an SOT-23 package with a low series inductance of 1.5 nH. Electrical specifications include a maximum forward voltage of 370 mV at 1 mA, a capacitance range of 0.83 to 1.30 pF at 0 V, and a maximum leakage current of 500 nA at 15 V. It supports a continuous forward current of 50 mA and a power dissipation of 75 mW.

RF Diode Feature Summary

• Tight parameter distribution minimizes performance variability across devices
• Available in singles, pairs, and dual series pair configurations
• Fully characterized including SPICE model parameters for simulation

RF Diode Applications

• High volume commercial detectors
• RF mixers
• Switches
• Digital pulse forming systems

RF Diode Procurement Notes

Verify the specific ordering suffix against official documentation to confirm the exact pin configuration and package variant. Confirm RoHS compliance status and lead-free designation through manufacturer datasheets or component markings before finalizing procurement plans.

RF Diode Selection Notes

Select this component for RF applications requiring a 20 V rated Schottky diode with low parasitic inductance. Ensure the design accommodates the specified 75 mW power dissipation limit and verify that the operating frequency remains within the 6 GHz characterization range.

RF Diode Part Context

This part belongs to the SMS392x series, which includes variants rated at 8 V (SMS3922), 20 V (SMS3923), and 70 V (SMS3924). The series offers multiple wiring configurations such as common cathode, series pairs, and unconnected pairs to suit different circuit topologies.

RF Diode Replacement Considerations

Direct replacements within the same series include SMS3923-001LF (SC-70 package) and SMS3923-079LF (SC-79 package). Verify package dimensions and marking codes when substituting to ensure mechanical compatibility.

RF Diode FAQ

What is the maximum operating frequency for the SMS3923-005LF?

The SMS392x series diodes are designed for use at frequencies up to 6 GHz.

What is the series inductance value for the SOT-23 package version?

The SOT-23 package version has a series inductance (LS) of 1.5 nH.

Is the SMS3923-005LF available in a dual series pair configuration?

Yes, the SMS392x series is available in singles, pairs, and dual series pairs, though specific availability depends on the ordering suffix.