2SB121 PNP Transistor

The 2SB121 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SB121 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SB121 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 2SB121 transistor as follows.

2SB121 Transistor Specification

Transistor Code		2SB121
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO1
Collector Power Dissipation (Maximum)	PC	0.05W
Collector-Base Voltage (Maximum)	VCB	105V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	0.1A
Operating Junction Temperature (Maximum)	TJ	75°C
Emitter-Base Voltage (Maximum)	VEB	50V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	0.2MHz
Collector Capacitance	CC	16pF

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