BC140 NPN Transistor

The BC140 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BC140 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BC140 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 BC140 transistor as follows.

BC140 Transistor Specification

Transistor Code		BC140
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO39
Collector Power Dissipation (Maximum)	PC	3.7W
Collector-Base Voltage (Maximum)	VCB	80V
Collector-Emitter Voltage (Maximum)	VCE	40V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	7V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	50MHz
Collector Capacitance	CC	25pF

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