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The IRGP4750DPBF is a 650 V, 70 A N-channel ultrafast Insulated Gate Bipolar Transistor (IGBT) manufactured by Infineon Technologies. It utilizes trench wafer technology to reduce conduction and switching losses. The device is co-packaged with a soft-recovery diode and optimized for switching frequencies between 8 kHz and 30 kHz. It features a 5 µs short-circuit rating and operates within a junction temperature range of -40 °C to +175 °C. The component is housed in a TO-247AC three-pin through-hole package.
Verify the manufacturer designation as Infineon Technologies, as International Rectifier was acquired. Confirm the specific suffix DPBF indicates lead-free compliance and RoHS adherence. Ensure the package type matches the required TO-247AC footprint for thermal management and mechanical mounting in the target design.
Select this component for applications requiring high current handling up to 70 A at 650 V. The ultrafast switching characteristics make it suitable for systems operating between 8 kHz and 30 kHz. Consider the thermal resistance and maximum junction temperature when designing heat sinks for continuous duty cycles.
This IGBT belongs to the IRGP series, which focuses on high-efficiency power conversion. The series integrates advanced trench gate technology to improve efficiency compared to older planar designs. It is designed to replace previous generation devices in medium-power industrial and renewable energy applications.
Consult official Infineon documentation for direct pin-compatible substitutes. Verify that any alternative device maintains the same voltage rating, current capacity, and switching speed requirements for the specific application circuit.