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2N2178 PNP Transistor

The 2N2178 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2N2178 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N2178 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 2N2178 transistor as follows.

Circuit diagram symbol of the 2N2178 transistor

2N2178 Transistor Specification

Transistor Code 2N2178
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Silicon(SI)
Package TO18
Collector Power Dissipation (Maximum) PC 0.1W
Collector-Base Voltage (Maximum) VCB 6V
Collector-Emitter Voltage (Maximum) VCE 6V
Collector Current (Maximum) IC 0.05A
Operating Junction Temperature (Maximum) TJ 100°C
Forward Current Transfer Ratio (hFE Value) 15
Transition Frequency FT 8MHz
Collector Capacitance CC 6pF

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