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BFJ77 NPN Transistor

The BFJ77 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFJ77 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFJ77 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 BFJ77 transistor as follows.

Circuit diagram symbol of the BFJ77 transistor

BFJ77 Transistor Specification

Transistor Code BFJ77
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO72
Collector Power Dissipation (Maximum) PC 0.2W
Collector-Base Voltage (Maximum) VCB 15V
Collector-Emitter Voltage (Maximum) VCE 15V
Collector Current (Maximum) IC 0.025A
Operating Junction Temperature (Maximum) TJ 185°C
Emitter-Base Voltage (Maximum) VEB 4V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 800MHz
Collector Capacitance CC 1.7pF

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