SMS3925-040LF

RF Diode Overview

The SMS3925-040LF is a surface-mount Schottky diode manufactured by Skyworks Solutions Inc. It belongs to the SMS392 series, which includes devices rated at 8V, 20V, and 70V. This specific component is characterized as a low-capacitance, high-voltage Schottky diode designed for general-purpose RF applications. The device features tight parameter distribution to minimize performance variability and is fully characterized with SPICE model parameters. It is available in plastic packages suitable for automated assembly.

RF Diode Feature Summary

• Low capacitance design optimized for high-frequency RF operations
• High voltage rating capability within the SMS392 series family
• Tight parameter distribution ensuring consistent device performance
• Fully characterized including SPICE model parameters for simulation

RF Diode Applications

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

RF Diode Procurement Notes

Verify the exact reverse voltage rating (8V, 20V, or 70V) associated with the SMS3925 suffix against the official Skyworks datasheet before procurement. Confirm package type and lead-free status. Check current availability as these components may be subject to discontinuation notices. Ensure compatibility with existing PCB footprint and reflow soldering profiles.

RF Diode Selection Notes

Select this component when a low-capacitance Schottky diode is required for RF detection or mixing applications. Compare the specific voltage rating of the SMS3925 variant against system requirements. Consider the tight parameter distribution benefits for minimizing variability in high-volume production environments. Verify thermal management needs based on the plastic package limitations.

RF Diode Part Context

The SMS3925-040LF is part of the broader SMS392 series from Skyworks Solutions. This series comprises low-cost plastic packaged Schottky diodes rated at 8V, 20V, and 70V. The series is designed for general-purpose use in RF applications, offering singles, pairs, and dual series pair configurations. All devices in this series are 100% DC tested.

RF Diode Replacement Considerations

Direct substitutes include other members of the SMS392 series such as SMS3922-040LF, SMS3923-040LF, and SMS3924-040LF, depending on the required reverse voltage rating. Verify pinout and package dimensions match the original design. Alternative manufacturers may offer similar low-capacitance Schottky diodes, but SPICE model compatibility should be validated.