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TM3B0020120A is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Coherent Corp. Its product description is 1200V 20MOHM SIC MOSFET TO247-4. Review the specifications below when checking this part for your BOM.
The TM3B0020120A is a single-channel Silicon Carbide (SiC) MOSFET manufactured by Coherent. It features a 1200V drain-source breakdown voltage and a maximum continuous drain current of 115A. The device exhibits a typical on-resistance of 24.3 milliohms at room temperature, with a gate charge of 172nC. It operates within a temperature range of -55°C to +200°C and is housed in a TO-247-4 through-hole package. The component meets AEC-Q101 automotive qualification standards.
Verify the specific datasheet revision and ordering suffix when sourcing. Confirm that the TO-247-4 pinout matches your PCB footprint requirements. Ensure the supplier provides traceability documentation required for AEC-Q101 compliance. Check for any recent manufacturing changes that might affect parameter tolerances or packaging specifications before finalizing procurement.
Select this component for designs requiring high-temperature operation beyond standard silicon limits. The 1200V rating provides sufficient headroom for 600V and 800V systems. Consider the 115A continuous current capability against your peak load requirements. Evaluate the thermal resistance of the TO-247-4 package against your heatsinking strategy to maintain junction temperatures within the 200°C limit.
Coherent Corp produces advanced semiconductor devices, including SiC MOSFETs for power electronics. This part belongs to their discrete transistor portfolio, designed for high-efficiency energy conversion. The company focuses on materials science and photonics, applying these capabilities to robust power components for demanding industrial and automotive environments.
Consult official substitution guides for direct equivalents. Verify pin compatibility and electrical parameters such as Rds(on) and Vbrdss before replacing. Ensure any substitute also holds AEC-Q101 certification if automotive use is intended.
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