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1N4448WQ-7-F
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Product Detailed Parameters
- Description：DIODE STANDARD 75V 250MA SOD123
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：75 V
- Current - Average Rectified (Io)：250mA
- 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：25 nA @ 20 V
- Capacitance @ Vr, F：4pF @ 0V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SOD-123
- Supplier Device Package：SOD-123
- Operating Temperature - Junction：-65°C ~ 150°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The 1N4448WQ-7-F is a fast switching surface-mount diode manufactured by Diodes Incorporated in the SOD123 package. It features a peak repetitive reverse voltage of 75 V and a non-repetitive peak reverse voltage of 100 V. The device supports a continuous forward current of 500 mA with a power dissipation rating of 400 mW. Electrical characteristics include a maximum reverse recovery time of 4 ns, a total capacitance of 4 pF, and an operating temperature range from -55°C to +150°C.
Feature Summary
- Fast switching speed suitable for general purpose applications
- Qualified to AEC-Q101 standards for high reliability
- Totally lead-free and fully RoHS compliant construction
Applications
- General purpose switching circuits
- Automotive electronic systems requiring specific change control
- High reliability surface-mount designs
Procurement Notes
Verify that the ordered component matches the exact part number 1N4448WQ-7-F to ensure correct packaging and qualification status. Confirm compliance with relevant environmental directives such as RoHS 3 and confirm the device meets AEC-Q101 requirements if intended for automotive use. Cross-reference datasheet revision DS12002 Rev. 23 for accurate electrical limits.
Selection Notes
Select this component when a small signal switching diode with fast recovery characteristics is required in a compact SOD123 footprint. Ensure the application voltage does not exceed the 75 V peak repetitive limit and that thermal management accommodates the specified power dissipation. Verify compatibility with automated insertion processes due to the tape and reel packaging format.
Part Context
This component belongs to the 1N4448W series of fast switching surface-mount diodes produced by Diodes Incorporated. The 'Q' suffix typically denotes automotive qualification, aligning with the AEC-Q101 standard mentioned in the documentation. It serves as a modern replacement for through-hole equivalents in space-constrained printed circuit board layouts.
Replacement Considerations
Consult the manufacturer's official substitution guide or contact a local representative for verified alternatives. Do not assume functional equivalence with other 1N4448 variants without verifying package dimensions and electrical ratings against the source datasheet.
