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BLW78 NPN Transistor

The BLW78 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BLW78 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BLW78 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 BLW78 transistor as follows.

Circuit diagram symbol of the BLW78 transistor

BLW78 Transistor Specification

Transistor Code BLW78
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package M174
Collector Power Dissipation (Maximum) PC 135W
Collector-Base Voltage (Maximum) VCB 70V
Collector-Emitter Voltage (Maximum) VCE 35V
Collector Current (Maximum) IC 25A
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 4V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 150MHz
Collector Capacitance CC 170pF

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