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APT75DQ120SG
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Product Detailed Parameters
- Description：DIODE STANDARD 75A D3PAK
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：-
- Current - Average Rectified (Io)：75A
- Voltage - Forward (Vf) (Max) @ If：3.3 V @ 75 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：325 ns
- Current - Reverse Leakage @ Vr：100 µA @ 1200 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：TO-268-3, D3PAK (2 Leads + Tab), TO-268AA
- Supplier Device Package：D3PAK
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The APT75DQ120SG is a standard fast recovery diode manufactured by Microchip Technology. It features an average rectified current of 75A and a maximum reverse voltage of 1200V. The device exhibits a forward voltage of 3.3V at 75A and a reverse recovery time of 325ns. It operates within a junction temperature range of -55°C to 175°C with a leakage current of 100µA at 1200V. The component utilizes a D3PAK surface mount package, specifically TO-268-3 or TO-268AA, designed for high-reliability power applications.
Feature Summary
- High thermal stability supporting operation up to 175°C junction temperature
- Fast recovery characteristics with 325ns reverse recovery time
- Robust 1200V blocking capability for high-voltage circuits
Applications
- High-frequency switching power supplies
- Industrial motor drive freewheeling circuits
- Uninterruptible power supply (UPS) systems
Procurement Notes
Verify the specific datasheet revision and ordering suffixes directly with Microchip Technology or authorized distributors. Confirm that the D3PAK footprint matches the target PCB design. Ensure compliance with RoHS directives as indicated in official documentation before finalizing procurement specifications.
Selection Notes
Select this component when a surface-mount solution is required for high-current rectification. The 75A rating and 1200V breakdown voltage suit demanding industrial environments. Consider the 3.3V forward drop for thermal management calculations. The D3PAK package offers efficient heat dissipation compared to smaller packages.
Part Context
This part belongs to Microchip's discrete semiconductor portfolio, continuing the legacy of Advanced Power Technology products. It serves as a surface-mount alternative to through-hole rectifiers, enabling compact board designs while maintaining high current handling capabilities typical of the APT series.
Replacement Considerations
Cross-reference with other 75A 1200V fast recovery diodes in the D3PAK package. Verify pinout compatibility and thermal resistance values. Ensure reverse recovery time and forward voltage specifications meet or exceed original circuit requirements.
