BU137A NPN Transistor

The BU137A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BU137A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BU137A transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the BU137A transistor as follows.

BU137A Transistor Specification

Transistor Code		BU137A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO3
Collector Power Dissipation (Maximum)	PC	70W
Collector-Base Voltage (Maximum)	VCB	1200V
Collector-Emitter Voltage (Maximum)	VCE	1000V
Collector Current (Maximum)	IC	10A
Operating Junction Temperature (Maximum)	TJ	200°C
Forward Current Transfer Ratio (hFE Value)		4

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