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CTN391 NPN Transistor

The CTN391 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the CTN391 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The CTN391 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 CTN391 transistor as follows.

Circuit diagram symbol of the CTN391 transistor

CTN391 Transistor Specification

Transistor Code CTN391
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO237
Collector Power Dissipation (Maximum) PC 0.75W
Collector-Base Voltage (Maximum) VCB 200V
Collector-Emitter Voltage (Maximum) VCE 200V
Collector Current (Maximum) IC 0.5A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 10V
Forward Current Transfer Ratio (hFE Value) 40
Transition Frequency FT 50MHz
Collector Capacitance CC 2pF

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