TK401A PNP Transistor

The TK401A is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the TK401A transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The TK401A 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 TK401A transistor as follows.

TK401A Transistor Specification

Transistor Code		TK401A
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO3
Collector Power Dissipation (Maximum)	PC	24W
Collector-Emitter Voltage (Maximum)	VCE	40V
Collector Current (Maximum)	IC	10A
Operating Junction Temperature (Maximum)	TJ	90°C
Forward Current Transfer Ratio (hFE Value)		8
Transition Frequency	FT	0.1MHz

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