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2N1042 PNP Transistor

The 2N1042 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2N1042 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2N1042 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 2N1042 transistor as follows.

Circuit diagram symbol of the 2N1042 transistor

2N1042 Transistor Specification

Transistor Code 2N1042
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Germanium(GE)
Package TO31
Collector Power Dissipation (Maximum) PC 20W
Collector-Base Voltage (Maximum) VCB 40V
Collector-Emitter Voltage (Maximum) VCE 30V
Collector Current (Maximum) IC 3A
Operating Junction Temperature (Maximum) TJ 100°C
Emitter-Base Voltage (Maximum) VEB 20V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 0.225MHz
Collector Capacitance CC 200pF

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