1N4148W-HG3-18

Single Diodes Overview

The Vishay 1N4148W-HG3-18 is a silicon epitaxial planar fast switching diode housed in an SOD-123 surface-mount package. It features a maximum repetitive peak reverse voltage of 100 V and a DC reverse voltage rating of 75 V. The device supports an average rectified forward current of 150 mA and a non-repetitive surge forward current of 500 mA. Electrical characteristics include a typical reverse recovery time of 4 ns, a maximum forward voltage of 1.2 V at 100 mA, and a diode capacitance of 4 pF at zero bias. Operating junction temperatures range from -55 °C to +150 °C.

Single Diodes Feature Summary

• Utilizes silicon epitaxial planar technology for high-speed signal switching applications
• Complies with RoHS standards and utilizes green commercial grade materials
• Designed for compact surface-mount integration within the SOD-123 footprint

Single Diodes Applications

• High-speed digital logic circuits
• Signal clamping and protection stages
• General-purpose rectification in low-power electronics

Single Diodes Procurement Notes

Verify the specific suffix configuration against official documentation to ensure correct packaging and compliance attributes. Confirm that the component meets all necessary environmental and electrical requirements for the intended application before finalizing procurement decisions.

Single Diodes Selection Notes

Select this component when a small-signal fast-switching diode is required in a compact SMD form factor. Ensure the circuit design accommodates the specified 75 V DC reverse voltage limit and 150 mA average current constraints while leveraging the rapid 4 ns recovery characteristic.

Single Diodes Part Context

This part belongs to the 1N4148 family of small-signal switching diodes, adapted for surface-mount assembly. It serves as a modern replacement for traditional axial-lead variants, offering equivalent electrical performance within a significantly reduced physical footprint suitable for automated PCB manufacturing.

Single Diodes Replacement Considerations

Cross-reference with other SOD-123 packaged 1N4148 variants from different manufacturers to verify pinout compatibility and thermal resistance specifications.