2SC221 NPN Transistor

The 2SC221 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SC221 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SC221 transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the 2SC221 transistor as follows.

2SC221 Transistor Specification

Transistor Code		2SC221
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO5
Collector Power Dissipation (Maximum)	PC	0.65W
Collector-Base Voltage (Maximum)	VCB	25V
Collector Current (Maximum)	IC	0.7A
Operating Junction Temperature (Maximum)	TJ	175°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		50
Transition Frequency	FT	75MHz
Collector Capacitance	CC	30pF

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