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BFJ45 NPN Transistor

The BFJ45 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFJ45 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFJ45 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 BFJ45 transistor as follows.

Circuit diagram symbol of the BFJ45 transistor

BFJ45 Transistor Specification

Transistor Code BFJ45
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO39
Collector Power Dissipation (Maximum) PC 0.8W
Collector-Base Voltage (Maximum) VCB 35V
Collector-Emitter Voltage (Maximum) VCE 35V
Collector Current (Maximum) IC 1A
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 40
Transition Frequency FT 120MHz
Collector Capacitance CC 18pF

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