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APT15D40KG
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Product Detailed Parameters
- Description：DIODE STANDARD 400V 15A TO2202
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：15A
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 15 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：35 ns
- Current - Reverse Leakage @ Vr：150 µA @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：TO-220-2
- Supplier Device Package：TO-220-2
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The APT15D40KG is a single Fast Recovery Epitaxial Diode (FRED) manufactured by Microchip Technology. It features a 400 V maximum reverse voltage and a 15 A average forward current rating. The device utilizes a TO-220 package for through-hole mounting. Key electrical specifications include a maximum forward voltage of 2.3 V, a peak non-repetitive surge current capacity of 80 A, and a typical reverse recovery time of 75 ns. The component operates within a junction temperature range of -55 °C to +175 °C.
Feature Summary
- Fast recovery epitaxial diode construction optimized for high-frequency switching applications
- High thermal stability supporting operation up to 175 °C junction temperature
- Robust surge current handling capability for transient protection scenarios
Applications
- High-frequency power supply circuits
- Motor drive inverter stages
- DC-DC converter output rectification
Procurement Notes
Verify the specific datasheet revision and ordering suffix when sourcing. Confirm that the TO-220 package dimensions match the target PCB footprint. Ensure the supplier provides traceability documentation consistent with Microchip Technology standards. Check for any recent product change notifications regarding material composition or manufacturing site changes before finalizing procurement.
Selection Notes
Select this component for designs requiring fast switching speeds with moderate current ratings. The 400 V rating suits low-voltage AC-DC conversion systems. Consider the 2.3 V forward voltage drop for thermal management calculations. The TO-220 package allows for direct heatsinking if thermal resistance limits are approached during continuous operation.
Part Context
This part belongs to Microchip's legacy Aptex series of fast recovery diodes. It serves as a replacement for older discrete rectifiers in industrial equipment. The component represents a transition from standard recovery diodes to faster switching alternatives for improved efficiency in power electronics.
Replacement Considerations
Direct substitutes may include other 400V 15A FRED diodes in TO-220 packages from compatible manufacturers. Verify reverse recovery time and forward voltage characteristics to ensure circuit compatibility. Cross-reference pinouts and thermal pad configurations for mechanical fit.
