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CXT491E NPN Transistor

The CXT491E is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the CXT491E transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The CXT491E 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 CXT491E transistor as follows.

Circuit diagram symbol of the CXT491E transistor

CXT491E Transistor Specification

Transistor Code CXT491E
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package SOT89
Collector Power Dissipation (Maximum) PC 1.2W
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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