ROHM Co., Ltd. has introduced the event of its fourth-generation 650V Insulated Gate Bipolar Transistors (IGBTs), designed to boost efficiency in automotive electrical compressors and HV heaters, in addition to inverters for industrial gear.
The new IGBTs, that includes a low conduction lack of VCE(sat)=1.55V, are tailor-made for 650V purposes. They provide excessive short-circuit tolerance whereas adhering to the AEC-Q101 automotive reliability commonplace.
As electrical autos transition to increased voltages, silicon carbide (SiC) is more and more utilized in high-power purposes akin to traction inverters. Meanwhile, 650V IGBTs stay a mainstay in auxiliary methods and industrial gear, the place they’re valued for vitality financial savings and compact design necessities.
To meet these evolving calls for, ROHM has revamped its IGBT machine construction, manufacturing course of, and edge termination construction. The fourth-generation merchandise ship low-loss traits and short-circuit tolerance, rising present density whereas decreasing conduction and switching losses.
These merchandise are able to withstanding short-circuits for 7 microseconds at a junction temperature of 25C, which boosts software effectivity and reliability. The product vary contains 12 fashions within the TO-247N bundle, categorized below the RGAxxTS65HR and RGAxxTS65EHR collection, together with 10 naked wafer merchandise below the SG83xxWN collection. Additional developments embrace merchandise within the TO-247-4L bundle, particularly the RGAxxTR65HR and RGAxxTR65EHR collection.
ROHM is poised to additional broaden the lineup, together with compact, surface-mount IGBTs within the TO-263L bundle and top-side cooling (TSC) packages, persevering with to assist elevated effectivity and miniaturization in automotive and industrial gear.

