2N444A NPN Transistor

The 2N444A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N444A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N444A 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 2N444A transistor as follows.

2N444A Transistor Specification

Transistor Code		2N444A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Germanium(GE)
Package		TO5
Collector Power Dissipation (Maximum)	PC	0.15W
Collector-Base Voltage (Maximum)	VCB	40V
Collector Current (Maximum)	IC	0.025A
Operating Junction Temperature (Maximum)	TJ	100°C
Emitter-Base Voltage (Maximum)	VEB	10V
Forward Current Transfer Ratio (hFE Value)		20
Transition Frequency	FT	0.4MHz
Collector Capacitance	CC	28pF

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