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2N2078 PNP Transistor

The 2N2078 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2N2078 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N2078 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 2N2078 transistor as follows.

Circuit diagram symbol of the 2N2078 transistor

2N2078 Transistor Specification

Transistor Code 2N2078
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Germanium(GE)
Package TO36
Collector Power Dissipation (Maximum) PC 170W
Collector-Base Voltage (Maximum) VCB 40V
Collector-Emitter Voltage (Maximum) VCE 25V
Collector Current (Maximum) IC 15A
Operating Junction Temperature (Maximum) TJ 110°C
Emitter-Base Voltage (Maximum) VEB 20V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 0.05MHz

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