1N4148WS-Q

Single Diodes Overview

The Diotec Semiconductor 1N4148WS-Q is a small signal switching diode housed in an SOD-323F surface-mount package. It features a maximum average forward current of 150 mA and a repetitive peak reverse voltage of 100 V. The device exhibits a low junction capacitance of 2 pF at 0 V and a reverse recovery time of less than 4 ns. Forward voltage is specified as less than 0.855 V at 10 mA, with leakage current below 1 µA at 75 V. Operating temperatures range from -55°C to +150°C.

Single Diodes Feature Summary

• Extremely fast switching speed suitable for high-frequency applications
• Low junction capacitance minimizes signal distortion
• Low leakage current ensures high impedance stability
• Compliant with AEC-Q101 automotive standards

Single Diodes Applications

• High-speed switching circuits
• Signal processing systems
• Automotive electronics requiring AEC-Q101 compliance

Single Diodes Procurement Notes

Verify the specific suffix '-Q' indicates AEC-Q101 compliance rather than standard commercial grade. Confirm the SOD-323F footprint matches the design layout. Check RoHS status and REACH documentation for regulatory requirements. Ensure storage temperature limits are respected during handling.

Single Diodes Selection Notes

Select this component when AEC-Q101 qualification is mandatory for the target application. Compare the 150 mA continuous current rating against circuit load requirements. Evaluate the 2 pF capacitance against high-frequency signal integrity needs. Consider the SOD-323F package size constraints relative to available board space.

Single Diodes Part Context

This part belongs to the 1N4148 family of silicon epitaxial planar switching diodes. It serves as the surface-mount equivalent to through-hole variants like the DO-35 packaged 1N4148. The device utilizes standard silicon technology optimized for rapid transition between conducting and blocking states.

Single Diodes Replacement Considerations

Diotec recommends the 1N4148WS as a direct alternative within their portfolio. Other manufacturers offer equivalents such as LL4148 or BAS16, though AEC-Q101 compliance must be verified independently for those parts.