OC74 PNP Transistor

The OC74 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the OC74 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The OC74 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 OC74 transistor as follows.

OC74 Transistor Specification

Transistor Code		OC74
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO7
Collector Power Dissipation (Maximum)	PC	0.55W
Collector-Base Voltage (Maximum)	VCB	20V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	0.3A
Operating Junction Temperature (Maximum)	TJ	80°C
Emitter-Base Voltage (Maximum)	VEB	6V
Forward Current Transfer Ratio (hFE Value)		40
Transition Frequency	FT	0.1MHz
Collector Capacitance	CC	50pF

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