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The Powerex PP300B120 is a POW-R-PAK™ H-Bridge IGBT assembly rated for 300A continuous collector current and 1200V blocking voltage. It integrates F-series trench gate IGBTs with low conduction and switching losses, mounted on a forced air-cooled heatsink. The unit includes a DC-link capacitor bank of 4950 µF, isolated gate drive power supplies, and a control board providing overvoltage, undervoltage lockout, overcurrent, overtemperature, and short circuit protection. It supports DC bus voltages up to 800VDC and switching frequencies above 20kHz.
Verify the specific datasheet revision and part number suffix against official Powerex documentation before procurement. Confirm that the required mounting torque specifications for AC terminals (75-90 in-lb), DC terminals (130-150 in-lb), and the mounting plate (130-150 in-lb) are met during installation. Ensure the cooling system provides at least 1500 LFM airflow to maintain thermal resistance within specified limits.
Select this assembly for applications requiring an integrated H-bridge solution with built-in protection and feedback. Verify compatibility with the 26-pin header interface (3M# 3429-6002 or equivalent). Ensure the control system can handle the analog feedback signals for DC link voltage, heatsink temperature, and output current. Confirm that the operating junction temperature range of -40°C to +150°C suits the environmental conditions.
The PP300B120 belongs to the Powerex POW-R-PAK™ family of configurable IGBT-based power assemblies. These modules are designed for high-efficiency operation using advanced F-series trench gate IGBT technology. The series supports various configurations including converters, choppers, half/full bridges, and three-phase inverters, targeting industrial power electronics markets.
No public confirmed substitute part numbers are available in the provided documentation.