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BD139-16 NPN Transistor

The BD139-16 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BD139-16 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BD139-16 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 BD139-16 transistor as follows.

Circuit diagram symbol of the BD139-16 transistor

BD139-16 Transistor Specification

Transistor Code BD139-16
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO126
Collector Power Dissipation (Maximum) PC 12W
Collector-Base Voltage (Maximum) VCB 80V
Collector-Emitter Voltage (Maximum) VCE 80V
Collector Current (Maximum) IC 1A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 100
Transition Frequency FT 50MHz

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