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The APT45GP120B2DQ2G is a single-channel Insulated Gate Bipolar Transistor (IGBT) from the POWER MOS 7® Combi series, manufactured by Microchip Technology. It utilizes silicon technology and features a TO-247-3 package designed for through-hole mounting. The device supports a maximum collector-emitter voltage of 1200 V and delivers a continuous collector current of 45 A at 25°C. Key electrical parameters include a collector-emitter saturation voltage of 3.3 V and a power dissipation rating of 329 W. The component operates within a junction temperature range of -55°C to +150°C.
Verify the specific suffix B2DQ2G against official Microchip documentation to confirm pinout compatibility and RoHS status. Ensure thermal management solutions align with the 329 W dissipation rating. Cross-reference datasheet revisions to confirm parameter stability before finalizing procurement specifications.
Select this component when a 1200 V blocking capability and 45 A continuous current are required in a standard TO-247 footprint. Consider the integrated diode characteristics if synchronous rectification or freewheeling is needed. Evaluate thermal resistance values against the system's heat sink capabilities to ensure operation within the 150°C junction limit.
This part belongs to the APT45GP120 family of high-voltage IGBTs. It shares the same core die and electrical characteristics as variants like APT45GP120J but differs in packaging and terminal configuration. The TO-247-3 form factor distinguishes it from module-based alternatives in the same voltage class.
Direct substitutes may include other 1200V/45A IGBTs in TO-247 packages from manufacturers such as Infineon or STMicroelectronics, provided pinouts and thermal characteristics match. Verify that replacement parts meet the same switching speed and saturation voltage requirements.