1N4148WS-HE3-18

Single Diodes Overview

The 1N4148WS-HE3-18 is a standard switching diode manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum DC reverse voltage (Vr) of 75 V and an average rectified current (Io) of 150 mA. The device exhibits a forward voltage (Vf) of 1.2 V at 100 mA and a reverse leakage current of 100 µA at 100 V. Key electrical parameters include a reverse recovery time (trr) of 4 ns and a junction temperature range of -55°C to 150°C. It is housed in the SOD-123 surface-mount package.

Single Diodes Feature Summary

• High-speed switching capability with a 4 ns reverse recovery time for efficient signal processing.
• Automotive-grade reliability certified under AEC-Q101 standards for robust performance.
• Compact SOD-123 surface-mount package designed for automated assembly and space-constrained layouts.

Single Diodes Applications

• High-speed switching circuits
• Automotive electronic systems
• General-purpose signal rectification

Single Diodes Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the part number matches the specific HE3-18 suffix for the SOD-123 package variant. Ensure compliance with RoHS3 directives and check for any relevant product change notifications prior to procurement to guarantee supply chain integrity and technical specification alignment.

Single Diodes Selection Notes

Select this component when high-speed switching performance and automotive qualification are required in a compact form factor. The 1N4148WS-HE3-18 offers superior speed compared to standard variants while maintaining compatibility with existing 1N4148 footprints. Consider the SOD-123 package dimensions and thermal characteristics during PCB layout design to ensure optimal heat dissipation and mechanical stability.

Single Diodes Part Context

This component belongs to the 1N4148 family of small-signal switching diodes, widely recognized for their versatility in electronic circuits. The HE3 series represents Vishay's lead-free and halogen-free compliant products, adhering to environmental regulations. The WS designation indicates the specific SOD-123 surface-mount packaging configuration, distinguishing it from axial lead or other SMD variants within the same electrical family.

Single Diodes Replacement Considerations

The source material explicitly identifies the 1N4148W-HE3-18 as obsolete. No verified substitute part numbers are provided in the available documentation for this specific model.