BC558 Transistor (Pack of 5)

Out of stock
Rs 27.14 Rs 23.00
  • Collector: Current flows in through collector
  • Base: Controls the biasing of transistor
  • Emitter: Current Drains out through emitter
  • BC558 is a semiconductor device used to amplify or switch electronic signals and electrical power.
  • It is composed of semiconductor material usually with at least three terminals for connection to an external circuit.
  • A voltage or current applied to one pair of the transistor's terminals controls the current through another pair of terminals.

BC558 Transistor (Pack of 5)

The BC558 is a PNP transistor and a heavy-duty drop-in replacement for a 2N2222 or 2N3906. The three terminals of a bipolar transistor are called the emitter, base, and collector. A small current into the base controls a large current flow from the collector to the emitter. The current at the base is typically one-hundredth of the collector-emitter current. Moreover, the large current flow is almost independent of the voltage across the transistor from collector to emitter. This makes it possible to obtain a large amplification of voltage by taking the output voltage from a resistor in series with the collector.

Package Includes:

  • 5 x BC558 Transistor


Transistor Polarity PNP
Collector-Base Voltage (VCBO) 30V
Collector-Emitter Voltage (VCEO) 30V
Continuous Collector Current (IC) 100mA
Transition Frequency (fT) 150MHz
Power Dissipation (PD) 500mW
Dimensions  5 x 4 x 3cms 
Weight  5 grams
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