AF128BK PNP Transistor

The AF128BK is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the AF128BK transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The AF128BK 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 AF128BK transistor as follows.

AF128BK Transistor Specification

Transistor Code		AF128BK
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Germanium(GE)
Package		U21
Collector Power Dissipation (Maximum)	PC	0.012W
Collector-Base Voltage (Maximum)	VCB	9V
Collector-Emitter Voltage (Maximum)	VCE	6V
Collector Current (Maximum)	IC	0.01A
Operating Junction Temperature (Maximum)	TJ	75°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		25
Transition Frequency	FT	6MHz
Collector Capacitance	CC	13pF

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