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Toshiba announces next gen IGBT


650V device enhances efficiency in applications such as power factor correction (PFC)

Toshiba Electronics has launched a new 650V-rated discrete IGBT intended for use within power factor correction (PFC) circuits within air conditioners, home appliances, and power supplies for industrial equipment, and many other use cases.

The new GT30J65MRB is a 60A-rated N-channel IGBT device housed in a TO-3P(N) package and based upon Toshiba’s latest generation technology with an optimized internal trench structure. This significantly enhances switching losses which are typically 0.35mJ for turn-off (@ 175ºC) – an improvement of at least 40% when compared to previous generation devices. This level of improvement is mirrored in the forward voltage of the built-in diode which typically measures just 1.20V, thereby enhancing efficiency of end equipment.

Using previous generation IGBTs, the PFC stage of air conditioners would have an operating frequency below 40kHz. The improved switching loss of the new GT30J65MRB allows the upper limit to increase to 60kHz thereby enhancing efficiency and allowing associated passive devices to reduce in size / weight.

The demand for switching devices that offer low losses and increased switching frequencies is growing due to the increasing use of inverters in air conditioners and the need to reduce power consumption in large-scale power supplies for industrial equipment. Toshiba will continue to expand its product lines to meet market trends and contribute to the efficiency of equipment.

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