2SC3121 NPN Transistor

The 2SC3121 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SC3121 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SC3121 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 2SC3121 transistor as follows.

2SC3121 Transistor Specification

Transistor Code		2SC3121
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO236
Transistor SMD Code		HC
Collector Power Dissipation (Maximum)	PC	0.15W
Collector-Base Voltage (Maximum)	VCB	18V
Collector-Emitter Voltage (Maximum)	VCE	15V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	3V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	1100MHz
Collector Capacitance	CC	1.3pF

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