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BSY81 NPN Transistor

The BSY81 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BSY81 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BSY81 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 BSY81 transistor as follows.

Circuit diagram symbol of the BSY81 transistor

BSY81 Transistor Specification

Transistor Code BSY81
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO39
Collector Power Dissipation (Maximum) PC 0.9W
Collector-Base Voltage (Maximum) VCB 40V
Collector-Emitter Voltage (Maximum) VCE 18V
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 100MHz
Collector Capacitance CC 15pF

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