2SB1278 PNP Transistor

The 2SB1278 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SB1278 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SB1278 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 2SB1278 transistor as follows.

2SB1278 Transistor Specification

Transistor Code		2SB1278
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		SOT33
Collector Power Dissipation (Maximum)	PC	0.75W
Collector-Base Voltage (Maximum)	VCB	80V
Collector Current (Maximum)	IC	0.7A
Operating Junction Temperature (Maximum)	TJ	165°C
Emitter-Base Voltage (Maximum)	VEB	12V
Forward Current Transfer Ratio (hFE Value)		120
Transition Frequency	FT	50MHz

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