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KN3904 NPN Transistor

The KN3904 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the KN3904 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KN3904 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 KN3904 transistor as follows.

Circuit diagram symbol of the KN3904 transistor

KN3904 Transistor Specification

Transistor Code KN3904
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO92
Collector Power Dissipation (Maximum) PC 0.625W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 40V
Collector Current (Maximum) IC 0.2A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 6V
Forward Current Transfer Ratio (hFE Value) 100
Transition Frequency FT 300MHz
Collector Capacitance CC 4pF

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