2SA2121 PNP Transistor

The 2SA2121 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA2121 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA2121 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 2SA2121 transistor as follows.

2SA2121 Transistor Specification

Transistor Code		2SA2121
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO3PL
Collector Power Dissipation (Maximum)	PC	220W
Collector-Base Voltage (Maximum)	VCB	200V
Collector-Emitter Voltage (Maximum)	VCE	200V
Collector Current (Maximum)	IC	15A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		55
Transition Frequency	FT	25MHz
Collector Capacitance	CC	470pF

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