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BD185 NPN Transistor

The BD185 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BD185 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BD185 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 BD185 transistor as follows.

Circuit diagram symbol of the BD185 transistor

BD185 Transistor Specification

Transistor Code BD185
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO126
Collector Power Dissipation (Maximum) PC 40W
Collector-Base Voltage (Maximum) VCB 40V
Collector-Emitter Voltage (Maximum) VCE 30V
Collector Current (Maximum) IC 4A
Operating Junction Temperature (Maximum) TJ 135°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 40
Transition Frequency FT 2MHz

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