onsemi Tariff Inquiry

S1DFL

S1DFL Description

The S1DFL from onsemi is a general-purpose diode designed for high-efficiency rectification and switching applications. With a 200V reverse voltage (Vr) and 1A average rectified current (Io), it offers robust performance in compact SOD123F surface-mount packaging. This diode features a low forward voltage drop (1.1V @ 1A) and minimal reverse leakage current (1µA @ 200V), ensuring energy efficiency and thermal stability. Its standard recovery time (2µs trr) and 4pF capacitance @ 4V make it suitable for moderate-speed switching. Though marked "Not For New Designs," it remains a reliable choice for legacy systems requiring RoHS3-compliant, REACH-unaffected components.

S1DFL Features

• High Voltage Handling: 200V DC reverse voltage (Vr) for robust protection.
• Low Power Loss: 1.1V forward voltage (Vf) at 1A reduces heat dissipation.
• Fast Recovery: 2µs reverse recovery time (trr) balances speed and efficiency.
• Minimal Leakage: 1µA reverse leakage current enhances power efficiency.
• Compact & Reliable: SOD123F package with MSL1 (unlimited) moisture sensitivity.
• Compliance: ROHS3, REACH, and EAR99 certified for global use.

S1DFL Applications

• Power Supplies: Secondary rectification in AC/DC converters.
• Switching Circuits: Freewheeling diodes in motor drives and relays.
• Consumer Electronics: Protection and signal conditioning in TVs, adapters.
• Industrial Systems: Snubber circuits and voltage clamping in automation.
• Legacy Designs: Maintenance and repair of older electronics where replacements are scarce.

Conclusion of S1DFL

The S1DFL is a versatile, high-voltage diode optimized for efficiency and reliability in surface-mount designs. While not recommended for new projects, its low Vf, fast recovery, and compliance make it ideal for upgrades, repairs, or cost-sensitive applications. Its SOD123F package ensures space savings without sacrificing performance, making it a pragmatic choice for engineers prioritizing proven technology.