2N640 PNP Transistor

The 2N640 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2N640 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N640 transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the 2N640 transistor as follows.

2N640 Transistor Specification

Transistor Code		2N640
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO7
Collector Power Dissipation (Maximum)	PC	0.08W
Collector-Base Voltage (Maximum)	VCB	34V
Collector-Emitter Voltage (Maximum)	VCE	34V
Collector Current (Maximum)	IC	0.01A
Operating Junction Temperature (Maximum)	TJ	120°C
Emitter-Base Voltage (Maximum)	VEB	1V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	42MHz
Collector Capacitance	CC	3pF

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