2N1638 PNP Transistor

The 2N1638 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2N1638 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N1638 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 2N1638 transistor as follows.

2N1638 Transistor Specification

Transistor Code		2N1638
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO1
Collector Power Dissipation (Maximum)	PC	0.08W
Collector-Base Voltage (Maximum)	VCB	34V
Collector Current (Maximum)	IC	0.01A
Operating Junction Temperature (Maximum)	TJ	85°C
Emitter-Base Voltage (Maximum)	VEB	1V
Forward Current Transfer Ratio (hFE Value)		75
Transition Frequency	FT	20MHz
Collector Capacitance	CC	4pF

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