2N4077 NPN Transistor

The 2N4077 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N4077 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N4077 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 2N4077 transistor as follows.

2N4077 Transistor Specification

Transistor Code		2N4077
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Germanium(GE)
Package		TO3
Collector Power Dissipation (Maximum)	PC	8W
Collector-Base Voltage (Maximum)	VCB	32V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	100°C
Emitter-Base Voltage (Maximum)	VEB	10V
Forward Current Transfer Ratio (hFE Value)		50
Transition Frequency	FT	1MHz
Collector Capacitance	CC	150pF

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