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AC558 NPN Transistor

The AC558 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the AC558 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The AC558 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 AC558 transistor as follows.

Circuit diagram symbol of the AC558 transistor

AC558 Transistor Specification

Transistor Code AC558
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Germanium(GE)
Package X04
Collector Power Dissipation (Maximum) PC 0.23W
Collector-Base Voltage (Maximum) VCB 25V
Collector-Emitter Voltage (Maximum) VCE 16V
Collector Current (Maximum) IC 1A
Operating Junction Temperature (Maximum) TJ 85°C
Emitter-Base Voltage (Maximum) VEB 6V
Forward Current Transfer Ratio (hFE Value) 40
Transition Frequency FT 1MHz
Collector Capacitance CC 50pF

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