NKT420 PNP Transistor

The NKT420 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the NKT420 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The NKT420 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 NKT420 transistor as follows.

NKT420 Transistor Specification

Transistor Code		NKT420
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO3
Collector Power Dissipation (Maximum)	PC	43W
Collector-Base Voltage (Maximum)	VCB	120V
Collector Current (Maximum)	IC	5A
Operating Junction Temperature (Maximum)	TJ	90°C
Emitter-Base Voltage (Maximum)	VEB	50V
Forward Current Transfer Ratio (hFE Value)		30
Transition Frequency	FT	0.2MHz
Collector Capacitance	CC	250pF

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