CMPT491E NPN Transistor

The CMPT491E is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the CMPT491E transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The CMPT491E transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the CMPT491E transistor as follows.

CMPT491E Transistor Specification

Transistor Code		CMPT491E
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT-23
Transistor SMD Code		C49
Collector Power Dissipation (Maximum)	PC	0.35W
Collector-Base Voltage (Maximum)	VCB	80V
Collector-Emitter Voltage (Maximum)	VCE	60V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		200
Transition Frequency	FT	150MHz
Collector Capacitance	CC	10pF

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