MC142 NPN Transistor

The MC142 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MC142 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MC142 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 MC142 transistor as follows.

MC142 Transistor Specification

Transistor Code		MC142
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO126
Collector Power Dissipation (Maximum)	PC	3.5W
Collector-Base Voltage (Maximum)	VCB	100V
Collector-Emitter Voltage (Maximum)	VCE	100V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		20
Transition Frequency	FT	60MHz
Collector Capacitance	CC	25pF

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