SMS3923-081LF

RF Diode Overview

The SMS3923-081LF is a dual series pair Schottky diode from the Skyworks SMS392x series, rated for 20 V reverse voltage. It operates within an ambient temperature range of -65 °C to +150 °C and supports junction temperatures up to +150 °C. The device features a maximum forward current of 50 mA and power dissipation of 75 mW at 25 °C lead temperature. Electrical specifications include a minimum breakdown voltage of 20 V at 10 μA, leakage current below 500 nA at 15 V, and capacitance ranging from 0.83 pF to 1.30 pF at 0 V. Forward voltage ranges from 310 mV to 370 mV at 1 mA, with a maximum pair matching difference of 10 mV.

RF Diode Feature Summary

• Tight parameter distribution minimizes performance variability across devices
• Fully characterized including SPICE model parameters for simulation accuracy
• 100 percent DC tested to ensure consistent electrical characteristics
• Packages rated MSL1 and compatible with 260 °C soldering processes

RF Diode Applications

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

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance and halogen-free status against current regulatory requirements. Check datasheet revision dates to ensure alignment with latest manufacturing specifications. Validate package marking codes against official documentation to prevent counterfeit substitution during assembly.

RF Diode Selection Notes

Select this component when a 20 V rated Schottky diode in a dual series pair configuration is required. Ensure the operating frequency does not exceed 6 GHz. Verify that the SC-88 or SOD-882 package dimensions fit the PCB layout constraints. Consider the 10 mV maximum forward voltage matching requirement for balanced circuit designs.

RF Diode Part Context

This part belongs to the SMS392x series, which includes 8 V (SMS3922), 20 V (SMS3923), and 70 V (SMS3924) variants. The series offers singles and dual series pairs in various plastic packages. The SMS3923-081LF specifically denotes the 20 V dual series pair version in the SC-88/SOD-882 package format.

RF Diode Replacement Considerations

Direct substitutes within the same series include SMS3923-040LF and SMS3923-079LF, which share identical electrical ratings but differ in packaging and marking. Cross-series replacements require verification of reverse voltage ratings and package compatibility.