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APTDF400U120G
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Product Detailed Parameters
- Description：DIODE STANDARD 1200V 450A LP4
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1200 V
- Current - Average Rectified (Io)：450A
- Voltage - Forward (Vf) (Max) @ If：2.5 V @ 500 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：110 ns
- Current - Reverse Leakage @ Vr：2.5 mA @ 1200 V
- Capacitance @ Vr, F：-
- Mounting Type：Chassis Mount
- Package / Case：LP4
- Supplier Device Package：LP4
- Operating Temperature - Junction：-
- Grade：-
- Qualification：-
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Overview
The APTDF400U120G is a single Fast Recovery Epitaxial Diode (FRED) manufactured by Microchip Technology. It features a 1200 V reverse voltage rating and a continuous forward current capacity of 400 A at a case temperature of 80°C. The device utilizes silicon technology and is housed in an LP4 chassis mount package. Key electrical parameters include a maximum forward voltage of 2.5 V and ultra-fast recovery characteristics designed to minimize switching losses.
Feature Summary
- Ultra-fast recovery times for efficient high-frequency operation
- Soft recovery characteristics to reduce electromagnetic interference
- Very low stray inductance design for improved circuit stability
- High blocking voltage capability for robust performance
Applications
- High-power DC-DC converters
- Induction heating systems
- Uninterruptible power supplies (UPS)
Procurement Notes
Verify the specific datasheet revision and assembly site details before procurement, as product change notifications may affect manufacturing locations or labeling. Confirm that the LP4 package dimensions match your chassis mounting requirements. Ensure thermal management solutions are compatible with the specified case temperature ratings for optimal reliability.
Selection Notes
Select this component when high current handling and fast switching speeds are required in single-diode configurations. The LP4 package offers a compact solution for chassis mounting applications. Consider the 2.5 V forward voltage drop in thermal calculations to ensure adequate heat dissipation under full load conditions.
Part Context
This part belongs to Microchip's discrete diode portfolio, specifically within the FRED category. It complements other high-voltage power semiconductors by providing reliable rectification and freewheeling capabilities in demanding power electronics environments.
Replacement Considerations
Check for direct substitutes within the same voltage and current class from Microchip or other manufacturers. Ensure replacement parts maintain similar recovery characteristics and package compatibility for seamless integration.
