1N4448WS-G3-18

Overview

The 1N4448WS-G3-18 is a small signal switching diode manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum DC reverse voltage of 75 V and an average forward rectified current of 150 mA. The device exhibits a fast reverse recovery time of 4 ns and a low forward voltage of 720 mV at 5 mA. It is housed in the SOD-323 surface mount package and operates within a junction temperature range of -55°C to 150°C.

Feature Summary

• Fast switching capability with 4 ns reverse recovery time
• Compact SOD-323 surface mount packaging
• High thermal stability up to 150°C junction temperature

Applications

• High-speed digital switching circuits
• Signal demodulation and detection
• Clamping and protection in low-power electronics

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific lot traceability upon receipt. Ensure storage conditions maintain moisture sensitivity level integrity prior to soldering processes.

Selection Notes

Select this component for applications requiring rapid switching speeds in compact surface mount designs. Compare electrical parameters against circuit requirements, specifically focusing on reverse voltage ratings and forward current limits. Evaluate thermal management needs given the small form factor and power dissipation characteristics.

Part Context

This part belongs to the 1N4448 series of general-purpose switching diodes. It serves as a surface mount alternative to through-hole variants like the DO-35 packaged versions. The series is widely used in consumer electronics and industrial control systems where space constraints and switching speed are critical design factors.

Replacement Considerations

Direct substitutes include 1N4448WS-E3-08 from Vishay. Verify pinout compatibility and electrical specifications before substitution.