The MMUN2211LT1G from On Semiconductor are NPN digital transistor in 3 pin SOT-23 (TO-236) package. Digital transistor is designed to replace a single device and its external resistor bias network. The bias resistor transistor (BRT) contains a single transistor with a monolithic bias network consisting of two resistors, a series base resistor and a base emitter resistor. The BRT eliminates these individual components by integrating them into a single device. The use of a BRT can reduce both system cost and board space.
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