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STMicro bipolar transistors have >90 current gain

Posted: 09 Aug 2002 ?? ?Print Version ?Bookmark and Share

Keywords:stmicroelectronics? stsa851? stn851? npn power transistor? bipolar transistor?

STMicroelectronics' STSA851 and STN851 NPN power transistors have a collector-emitter saturation voltage of <0.45V and a current gain >90, and are aimed at lighting and automotive applications, as well as in voltage regulation, CCFL systems, alarm systems, and as relay drivers.

The STSA851 comes in a TO-92 package and is rated for 1.1 W of total power at 250C, while the STN851 comes in a SOT-223 and is rated for 1.6W.

Both 150V devices are manufactured using NPN planar technology and feature a base island layout that contributes to their high gain and low saturation voltage.

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