2SA1121 PNP Transistor

The 2SA1121 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA1121 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA1121 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 2SA1121 transistor as follows.

2SA1121 Transistor Specification

Transistor Code		2SA1121
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO236
Transistor SMD Code		SB_SC_SD
Collector Power Dissipation (Maximum)	PC	0.15W
Collector-Base Voltage (Maximum)	VCB	35V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	125°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	50MHz
Collector Capacitance	CC	7pF

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