SMS3923-011LF

RF Diode Overview

The SMS3923-011LF 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 is housed in an SOT-23 package with a parasitic inductance of 1.5 nH. Electrical specifications include a maximum forward current of 50 mA, power dissipation of 75 mW, and junction temperature of +150 °C. Capacitance ranges from 0.83 to 1.30 pF at 0 V bias.

RF Diode Feature Summary

• Tight parameter distribution minimizes performance variability
• Fully characterized including SPICE model parameters
• RoHS compliant and halogen-free construction

RF Diode Applications

• High volume commercial detectors
• Mixers
• Switches
• Digital pulse forming systems

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for lead-free packaging markings. Validate datasheet revisions against the specific lot code to ensure electrical characteristics match design requirements before final procurement.

RF Diode Selection Notes

Select this component for RF applications requiring low capacitance and tight matching within the SMS392x family. Ensure the circuit design accommodates the 20 V reverse voltage limit and 75 mW power dissipation. Verify that the SOT-23 package dimensions align with the PCB footprint and thermal management strategy.

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 various wiring configurations such as singles, common cathode pairs, and dual series pairs across multiple small outline packages.

RF Diode Replacement Considerations

Direct substitutes within the same series include SMS3922-011LF and SMS3924-011LF, provided the voltage ratings are compatible. Other single Schottky diodes in the SOT-23 package may serve as alternatives if electrical parameters like capacitance and forward voltage fall within acceptable design margins.

RF Diode FAQ

What is the maximum operating frequency for the SMS3923-011LF?

The SMS3923 series diodes are designed for use at frequencies up to 6 GHz.

What is the typical capacitance range for this diode?

The total capacitance at 0 V bias ranges from 0.83 to 1.30 pF.

Is this component suitable for high-temperature environments?

Yes, the device supports an operating temperature range of -65 °C to +150 °C and a junction temperature up to +150 °C.