GC221 PNP Transistor

The GC221 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the GC221 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The GC221 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 GC221 transistor as follows.

GC221 Transistor Specification

Transistor Code		GC221
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO5
Collector Power Dissipation (Maximum)	PC	0.075W
Collector-Base Voltage (Maximum)	VCB	20V
Collector-Emitter Voltage (Maximum)	VCE	20V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	90°C
Emitter-Base Voltage (Maximum)	VEB	12V
Forward Current Transfer Ratio (hFE Value)		140
Transition Frequency	FT	1MHz
Collector Capacitance	CC	60pF

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