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BFJ18 NPN Transistor

The BFJ18 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFJ18 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFJ18 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 BFJ18 transistor as follows.

Circuit diagram symbol of the BFJ18 transistor

BFJ18 Transistor Specification

Transistor Code BFJ18
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO72
Collector Power Dissipation (Maximum) PC 0.175W
Collector-Base Voltage (Maximum) VCB 30V
Collector-Emitter Voltage (Maximum) VCE 30V
Collector Current (Maximum) IC 0.1A
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 550MHz
Collector Capacitance CC 0.6pF

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