2SA778A PNP Transistor

The 2SA778A is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA778A transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA778A 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 2SA778A transistor as follows.

2SA778A Transistor Specification

Transistor Code		2SA778A
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		SOT33
Collector Power Dissipation (Maximum)	PC	0.2W
Collector-Base Voltage (Maximum)	VCB	180V
Collector Current (Maximum)	IC	0.05A
Operating Junction Temperature (Maximum)	TJ	135°C
Forward Current Transfer Ratio (hFE Value)		90
Transition Frequency	FT	30MHz
Collector Capacitance	CC	10pF

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