1N4448WS-AQ

Single Diodes Overview

The Diotec Semiconductor 1N4448WS-AQ is a surface-mount small signal switching diode housed in an SOD-323F package. It features a maximum average forward current of 150 mA and a repetitive peak reverse voltage of 100 V. The device exhibits a reverse recovery time of less than 4 ns, ensuring high-speed performance. Forward voltage is specified at 1.25 V maximum when conducting 150 mA. Junction capacitance is typically 2 pF at 0 V bias and 1 MHz frequency. The component operates within a junction temperature range of -55°C to +150°C.

Single Diodes Feature Summary

• AEC-Q101 qualified for automotive applications
• Extremely fast switching speed with low junction capacitance
• Low leakage current characteristics

Single Diodes Applications

• High-speed switching circuits
• Signal processing systems
• Automotive electronics

Single Diodes Procurement Notes

Verify the specific suffix designation during procurement to confirm AEC-Q101 qualification status. Ensure that the ordering information matches the required automotive grade specifications. Confirm package type and tape-and-reel quantities align with manufacturing requirements before finalizing orders.

Single Diodes Selection Notes

Select this component for designs requiring robust automotive-grade reliability combined with standard small-signal switching capabilities. The SOD-323F footprint offers space efficiency compared to through-hole alternatives. Consider the thermal resistance and power dissipation limits when designing heat management strategies for dense PCB layouts.

Single Diodes Part Context

This part belongs to the 1N4148WS/1N4448WS family of SMD small signal switching diodes manufactured by Diotec Semiconductor. The -AQ suffix specifically denotes AEC-Q101 qualification, distinguishing it from commercial or compliant-only variants. These devices are designed for general-purpose switching tasks where compact size and speed are critical factors.

Single Diodes Replacement Considerations

Consult official manufacturer documentation for verified substitute part numbers. Cross-reference electrical parameters such as reverse voltage, forward current, and recovery time to ensure functional compatibility without altering circuit design constraints.