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2SB478 PNP Transistor

The 2SB478 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SB478 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SB478 transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the 2SB478 transistor as follows.

Circuit diagram symbol of the 2SB478 transistor

2SB478 Transistor Specification

Transistor Code 2SB478
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Germanium(GE)
Package TO36
Collector Power Dissipation (Maximum) PC 80W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 30V
Collector Current (Maximum) IC 30A
Operating Junction Temperature (Maximum) TJ 85°C
Emitter-Base Voltage (Maximum) VEB 30V
Forward Current Transfer Ratio (hFE Value) 20

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