BD189 NPN Transistor

The BD189 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BD189 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BD189 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 BD189 transistor as follows.

BD189 Transistor Specification

Transistor Code		BD189
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO126
Collector Power Dissipation (Maximum)	PC	40W
Collector-Base Voltage (Maximum)	VCB	70V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	4A
Operating Junction Temperature (Maximum)	TJ	135°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	2MHz

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