2N2903A NPN Transistor

The 2N2903A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N2903A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N2903A 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 2N2903A transistor as follows.

2N2903A Transistor Specification

Transistor Code		2N2903A
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO77-1
Collector Power Dissipation (Maximum)	PC	0.3W
Collector-Base Voltage (Maximum)	VCB	60V
Collector-Emitter Voltage (Maximum)	VCE	30V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	7V
Forward Current Transfer Ratio (hFE Value)		125
Transition Frequency	FT	60MHz
Collector Capacitance	CC	8pF

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