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1N4448WSFQ-7
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Product Detailed Parameters
- Description：DIODE STANDARD 75V 500MA SOD323F
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：75 V
- Current - Average Rectified (Io)：500mA
- Voltage - Forward (Vf) (Max) @ If：1.25 V @ 150 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：4 ns
- Current - Reverse Leakage @ Vr：2.5 µA @ 75 V
- Capacitance @ Vr, F：4pF @ 0V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SC-90, SOD-323F
- Supplier Device Package：SOD-323F
- Operating Temperature - Junction：-65°C ~ 150°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The 1N4448WSFQ-7 is an automotive-grade surface mount fast switching diode manufactured by Diodes Incorporated. It utilizes a SOD323F package and meets AEC-Q101 standards for high reliability. The device features a peak repetitive reverse voltage of 75 V, a forward continuous current of 500 mA, and an average rectified output current of 250 mA. Electrical characteristics include a maximum reverse recovery time of 4.0 ns, total capacitance of 4.0 pF, and leakage current of 25 nA at 20 V. Operating temperature ranges from -65°C to +150°C.
Feature Summary
- Qualified to AEC-Q101 standards for high reliability mechanical data
- Fast switching speed with low reverse recovery time
- Low leakage current and low capacitance design
- Flat lead structure for high thermal efficiency
Applications
- Automotive electronic circuits requiring high reliability
- General purpose switching applications
- High-speed signal processing circuits
Procurement Notes
Verify the specific ordering suffix Q-7 confirms automotive qualification status per manufacturer documentation. Confirm the SOD323F package dimensions match target PCB pad layouts before finalizing procurement. Ensure compliance with RoHS and halogen-free requirements aligns with project specifications. Cross-reference datasheet revision DS35380 Rev. 3-2 for accurate electrical parameters during sourcing.
Selection Notes
Select this component when automotive grade reliability and fast switching performance are required in a compact surface mount footprint. The SOD323F package offers thermal advantages through flat leads. Consider the 75 V reverse voltage rating and 250 mA average current limits for circuit design. Verify compatibility with automated insertion processes due to the small package size.
Part Context
This part belongs to the 1N4448WSF series of surface mount fast switching diodes produced by Diodes Incorporated. The 'Q' suffix specifically denotes the automotive qualified version compliant with AEC-Q101 standards. It shares core electrical characteristics with commercial variants but undergoes stricter manufacturing controls for reliability in automotive environments.
Replacement Considerations
Direct substitutes include other AEC-Q101 qualified fast switching diodes in the SOD323F package. Verify equivalent reverse voltage, forward current, and reverse recovery time ratings. Check pinout compatibility and thermal resistance values to ensure seamless integration into existing designs without modification.
