BU143 NPN Transistor

The BU143 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BU143 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BU143 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 BU143 transistor as follows.

BU143 Transistor Specification

Transistor Code		BU143
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO3
Collector Power Dissipation (Maximum)	PC	70W
Collector-Base Voltage (Maximum)	VCB	800V
Collector-Emitter Voltage (Maximum)	VCE	350V
Collector Current (Maximum)	IC	12A
Operating Junction Temperature (Maximum)	TJ	125°C
Forward Current Transfer Ratio (hFE Value)		5

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