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The Wolfspeed C3M0040120J1 is a third-generation silicon carbide (SiC) MOSFET in a TO-263-7L XL package. It features a 1200 V drain-source voltage and a maximum on-resistance of 53.5 mΩ at 150 °C. The device supports a continuous drain current of 64 A at 25 °C and 42 A at 100 °C, with a pulsed current rating of 100 A. Key electrical parameters include a gate threshold voltage of 2.7 V typical, input capacitance of 2900 pF, and total gate charge of 94 nC. Thermal characteristics specify a junction-to-case resistance of 0.46 °C/W and an operating junction temperature range from -40 °C to +175 °C.
Verify the specific ordering suffix J1 against the manufacturer's official datasheet to confirm the exact package variant and compliance status. Ensure that the procurement documentation matches the Rev. 3 December 2024 release specifications. Confirm that the received components align with the TO-263-7L XL physical dimensions and pinout defined in the package outline drawing.
Select this component for designs requiring high efficiency and reduced cooling requirements due to its low switching energy and on-resistance. The separate Kelvin source pin facilitates precise gate drive control, making it suitable for high-frequency applications. Evaluate the thermal management strategy based on the 0.46 °C/W junction-to-case resistance to ensure operation within the specified 175 °C junction temperature limit under expected load conditions.
This device belongs to Wolfspeed’s C3M series of discrete silicon carbide power MOSFETs. The series utilizes advanced SiC technology to deliver superior performance compared to traditional silicon devices. The C3M0040120J1 specifically targets high-power density applications where minimizing switching losses and maximizing system efficiency are critical design constraints.
Public confirmed substitute part numbers are not available in the provided documentation. Designers should consult Wolfspeed directly or review the official datasheet for any officially recommended alternative devices within the same product family.
The separate Kelvin source pin (Pin 2) is designed to minimize gate ringing and reduce switching losses by providing a dedicated path for the gate drive return current, distinct from the high-current power source pins.
The maximum operating junction temperature for the C3M0040120J1 is +175 °C.