RCA121 NPN Transistor

The RCA121 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the RCA121 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The RCA121 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 RCA121 transistor as follows.

RCA121 Transistor Specification

Transistor Code		RCA121
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO220
Collector Power Dissipation (Maximum)	PC	65W
Collector-Base Voltage (Maximum)	VCB	80V
Collector-Emitter Voltage (Maximum)	VCE	80V
Collector Current (Maximum)	IC	8A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		1000
Transition Frequency	FT	20MHz
Collector Capacitance	CC	200pF

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