TN4890 PNP Transistor

The TN4890 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the TN4890 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The TN4890 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 TN4890 transistor as follows.

TN4890 Transistor Specification

Transistor Code		TN4890
Transistor Type		BJT
Transistor Polarity		PNP
Transistor Material		Silicon(SI)
Package		TO226
Collector Power Dissipation (Maximum)	PC	0.625W
Collector-Base Voltage (Maximum)	VCB	60V
Collector-Emitter Voltage (Maximum)	VCE	40V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		50
Transition Frequency	FT	160MHz
Collector Capacitance	CC	15pF

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