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The DMWS120H100SM4 is a 1200V N-channel Silicon Carbide (SiC) power MOSFET manufactured by Diodes Incorporated. It features a maximum drain-source voltage of 1200V and a typical on-resistance of 80mΩ at VGS=15V, with a maximum rating of 100mΩ. The device supports a continuous drain current of 37.2A at TC=+25°C and 23.5A at TC=+100°C. Total gate charge is typically 59.5nC, while the junction-to-case thermal resistance is rated at 0.6°C/W. Operating temperature ranges from -55°C to +150°C.
Verify the specific datasheet revision number against the manufacturer's official documentation before finalizing procurement. Confirm that the TO247-4 package dimensions and pinout match the design requirements. Ensure compliance with environmental directives such as RoHS and REACH if applicable to the target market. Validate thermal management solutions based on the specified junction-to-case thermal resistance values.
Select this component when designing systems requiring high-voltage operation up to 1200V with optimized conduction losses. Consider the 0.6°C/W thermal resistance for heatsink calculations in industrial or automotive environments. Evaluate the 59.5nC total gate charge against available driver capabilities to ensure efficient switching transitions. Verify that the operating temperature range meets the environmental constraints of the intended application.
This part belongs to the DMWS120H series of N-channel SiC MOSFETs from Diodes Incorporated. The series utilizes silicon carbide technology to achieve lower on-resistance compared to traditional silicon devices. The TO247-4 package provides robust mechanical stability and efficient thermal dissipation for high-power density designs.
Consult the manufacturer's official cross-reference list for verified substitutes. Ensure any replacement maintains the 1200V rating and compatible TO247-4 footprint. Verify that thermal and electrical characteristics meet or exceed the original specifications.
The maximum static gate-source voltage is +15V/-4V.
Yes, the TO247-4 package includes a dedicated Kelvin source terminal (Pin K) to optimize switching performance.
The typical forward transconductance is 3.8S at VDS=20V and ID=20A.