MOSFETs bring 750-V capability to TOLL package
Now in mass production, Rohm’s SCT40xxDLL series of SiC MOSFETs in TOLL (TO-Leadless) packages delivers high power-handling capability in a compact, low-profile form factor. According to ROHM, the TOLL package provides roughly 39% better thermal performance than conventional TO-263-7L packages.
The SCT40xxDLL lineup consists of six devices, each rated for a 750-V maximum drain-source voltage, compared to the 650-V limit typical of standard TOLL packages. This higher voltage rating enables lower gate resistance and a larger safety margin for surge voltages, helping to further reduce switching losses.
In AI servers and compact PV inverters, rising power requirements coincide with pressure to reduce system size, increasing the need for higher-density MOSFETs. In slim totem-pole PFC designs with thickness limits near 4 mm, Rohm’s new devices cut footprint to 11.68×9.9 mm (about 26% smaller) and reduce package height to 2.3 mm, about half that of typical devices.
The 750-V SiC MOSFETs are available from distributors such as DigiKey, Mouser, and Farnell. For details and datasheets, click here.
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