1N4448W-HE3_A-18

Overview

The Vishay 1N4448W-HE3_A-18 is a silicon epitaxial planar small signal fast switching diode housed in an SOD-123 surface-mount package. It is AEC-Q101 qualified and RoHS-compliant. Key electrical parameters include a maximum reverse voltage of 75 V, a repetitive peak reverse voltage of 100 V, and a continuous forward current rating of 300 mA. The device features a typical reverse recovery time of 4 ns and a maximum leakage current of 2 µA at 75 V.

Feature Summary

• Fast switching capability with a typical reverse recovery time of 4 ns
• Automotive-grade reliability through AEC-Q101 qualification
• RoHS-compliant construction using silicon epitaxial planar technology

Applications

• High-speed electronic switching circuits
• Automotive electronics requiring AEC-Q101 compliance
• General-purpose rectification in compact surface-mount designs

Procurement Notes

Verify the specific HE3_A suffix to confirm AEC-Q101 automotive qualification status. Ensure the -18 packaging code matches the required reel quantity for automated assembly processes. Cross-reference the datasheet revision date against manufacturing lot codes to ensure component specifications remain current.

Selection Notes

Select this component when high-speed switching performance is critical alongside automotive reliability standards. The SOD-123 package offers a compact footprint suitable for space-constrained PCB layouts. Evaluate thermal resistance characteristics if operating near maximum junction temperature limits.

Part Context

This part belongs to the Vishay 1N4448W series of small signal fast switching diodes. It serves as the automotive-qualified variant within the lineup, distinguished by its HE3_A ordering suffix. The series provides alternatives for both commercial and specialized industrial applications.

Replacement Considerations

Direct substitutes include other AEC-Q101 qualified SOD-123 switching diodes from Vishay such as the 1N4448W-HE3_A-08.