1N4448WSQ-7-F

Overview

The 1N4448WSQ-7-F is a surface mount fast switching diode manufactured by Diodes Incorporated. It utilizes an SOD323 package and operates within a temperature range of -55°C to +150°C. Key electrical parameters include a peak repetitive reverse voltage (VRRM) of 75 V, a non-repetitive peak reverse voltage (VRM) of 100 V, and a maximum power dissipation (PD) of 200 mW. The device features a reverse recovery time (tRR) of 4 ns at specified test conditions and a total capacitance (CT) of 4.0 pF.

Feature Summary

• Fast switching speed with a 4 ns reverse recovery time for high-frequency applications
• High conductance characteristics suitable for general-purpose switching tasks
• Totally lead-free and fully RoHS compliant construction
• Halogen and antimony free "Green" device design

Applications

• General-purpose switching circuits
• Automotive electronics requiring specific change control
• Battery-powered portable devices

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct packaging and qualification status. Confirm that the requested components meet AEC-Q100 standards if automotive application requirements are necessary. Cross-reference datasheet revision numbers to validate current specifications before finalizing procurement orders.

Selection Notes

Select this component when a small surface mount package is required alongside fast switching capabilities. Ensure the circuit design accommodates the 200 mW power dissipation limit and the 75 V peak repetitive reverse voltage rating. Verify thermal management strategies align with the specified junction-to-ambient thermal resistance for reliable operation across the full operating temperature range.

Part Context

This component belongs to the 1N4448WS series of surface mount fast switching diodes produced by Diodes Incorporated. It is designed as a compact alternative to through-hole variants, offering similar electrical performance in a smaller footprint. The product line emphasizes compliance with environmental directives while maintaining robust switching characteristics for modern electronic designs.

Replacement Considerations

Consult official manufacturer substitution guides or contact Diodes Incorporated directly for verified equivalent part numbers. Do not assume functional interchangeability based solely on generic specifications without validating mechanical dimensions and electrical limits.