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2N3845A NPN Transistor

The 2N3845A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N3845A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N3845A 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 2N3845A transistor as follows.

Circuit diagram symbol of the 2N3845A transistor

2N3845A Transistor Specification

Transistor Code 2N3845A
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO98-1
Collector Power Dissipation (Maximum) PC 0.2W
Collector-Base Voltage (Maximum) VCB 30V
Collector-Emitter Voltage (Maximum) VCE 30V
Collector Current (Maximum) IC 0.1A
Operating Junction Temperature (Maximum) TJ 100°C
Emitter-Base Voltage (Maximum) VEB 4V
Forward Current Transfer Ratio (hFE Value) 60
Transition Frequency FT 120MHz
Collector Capacitance CC 4pF

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