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Digital Transistors (BRT) R1 = 47 kW, R2 = 22 kW
NPN Transistors with Monolithic Bias Resistor Network
MUN2237, MMUN2237L,
MUN5237, DTC144WE,
DTC144WM3, NSBC144WF3
This series of digital transistors 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.
MUN2237 Datasheet
