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BFQ31A NPN Transistor

The BFQ31A is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFQ31A transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BFQ31A 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 BFQ31A transistor as follows.

Circuit diagram symbol of the BFQ31A transistor

BFQ31A Transistor Specification

Transistor Code BFQ31A
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package SOT23
Transistor SMD Code S4
Collector Power Dissipation (Maximum) PC 0.2W
Collector-Base Voltage (Maximum) VCB 30V
Collector-Emitter Voltage (Maximum) VCE 15V
Collector Current (Maximum) IC 0.1A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 3V
Forward Current Transfer Ratio (hFE Value) 100
Transition Frequency FT 600MHz
Collector Capacitance CC 1.7pF

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