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STMicroelectronics’ advanced IGBTs optimised for performance in soft switching
Industry News- Apr 02,19
STGWA40IH65DF and STGWA50IH65DF 650V raise induction-heating efficiency in home appliances
STMicroelectronics’ has come up with STGWA40IH65DF and STGWA50IH65DF 650V STPOWER IGBTs which are optimised for best conduction and switching performance in soft-switching circuits, and increase the energy efficiency of resonant converters in the 16kHz-60kHz switching-frequency range.
Extending ST’s trench field-stop (TFS) IGBTs for soft-switching applications, which also include the HB and HB2 series for power supplies, welders and solar converters, the new IH-series devices are fine-tuned for the half-bridge circuits of appliances such as induction cookers and other soft-switching applications. Product designers can now choose these IGBTs to target superior energy ratings.
Rated for 40A and 50A respectively, the STGWA40IH65DF and STGWA50IH65DF serve applications up to 4kW. With low saturation voltage (VCE(sat)) of 1.5V (typical at nominal current) and a low-drop voltage freewheeling co-packaged diode, these advanced IGBTs combine outstanding conduction performance with low turn-off losses of just 0.19mJ (typical) in the 40A STGWA40IH65DF.
IH-series IGBTs are specified up to the maximum junction temperature of 175°C, and feature low thermal resistance and a positive temperature coefficient of VCE(sat) for enhanced reliability.
The STGWA40IH65DF and STGWA50IH65DF IGBTs are available now in the TO-247 long-lead power package. ST will add 20A and 30A variants soon, in TO-247 long lead and TO-220 packages.
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