2SB149 PNP Transistor

The 2SB149 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SB149 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SB149 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 2SB149 transistor as follows.

2SB149 Transistor Specification

Transistor Code		2SB149
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		TO3
Collector Power Dissipation (Maximum)	PC	25W
Collector-Base Voltage (Maximum)	VCB	40V
Collector Current (Maximum)	IC	8A
Operating Junction Temperature (Maximum)	TJ	75°C
Emitter-Base Voltage (Maximum)	VEB	30V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	0.1MHz

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