SMS3924-015LF

RF Diode Overview

The SMS3924-015LF is a surface-mount general-purpose Schottky diode manufactured by Skyworks Solutions, Inc. It belongs to the SMS3924 series, which features a 70 V reverse voltage rating and is housed in an SOT-23 package with a common cathode configuration. The device supports a steady-state forward current of 50 mA and a 1 ms pulse forward current of 1 A, with a power dissipation capacity of 75 mW. Electrical specifications include a maximum reverse current of 200 nA at 50 V, a capacitance range of 1.43–1.83 pF at 0 V, and a forward voltage drop between 490–550 mV at 1 mA. Operating temperatures range from -65 °C to +150 °C.

RF Diode Feature Summary

• Tight parameter distribution for minimized performance variability
• Designed for high-volume commercial applications
• Available in lead-free and RoHS-compliant packaging

RF Diode Applications

• RF detectors
• Mixers
• Switches
• Digital pulse forming

RF Diode Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the ordering suffix LF indicates lead-free and RoHS-compliant packaging as specified in official documentation. Ensure compliance with ESD handling precautions during storage and assembly processes.

RF Diode Selection Notes

Select this component when a 70 V rated Schottky diode with low junction capacitance is required for RF signal processing. The common cathode SOT-23 configuration suits space-constrained designs. Verify thermal management requirements against the 75 mW power dissipation limit and operating temperature range.

RF Diode Part Context

This part is part of the SMS3924 series of surface-mount general-purpose Schottky diodes. The series includes variants with different voltage ratings (8 V, 20 V, 70 V) and package options such as SC-79, SOD-323, and LGA. The SMS3924 specifically targets applications requiring higher reverse voltage tolerance within the same low-cost plastic packaged family.

RF Diode Replacement Considerations

Direct replacements must match the 70 V rating, SOT-23 common cathode package, and similar electrical characteristics. Verify SPICE model parameters if circuit simulation accuracy is critical. Check for equivalent capacitance and forward voltage drop ranges to ensure signal integrity preservation.