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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.

Circuit diagram symbol of the 2N444A transistor

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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