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BC557 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
BC557FAI139Yes

BC557 is a general-purpose PNP transistor manufactured by various semiconductor companies, including UE (Unisonic Technologies).

The BC557 is a general-purpose PNP transistor manufactured by various semiconductor companies, including UE (Unisonic Technologies). Below are the factual specifications for the BC557 from the Manufactor Datasheet:

BC557 (PNP Transistor) - UE Specifications:

  • Type: PNP
  • Material: Silicon
  • Maximum Collector-Base Voltage (VCB): -50V
  • Maximum Collector-Emitter Voltage (VCE): -45V
  • Maximum Emitter-Base Voltage (VEB): -5V
  • Maximum Collector Current (IC): -100mA
  • Total Power Dissipation (Ptot): 500mW
  • DC Current Gain (hFE): 125 to 800 (depending on variant: BC557A, BC557B, BC557C)
  • Transition Frequency (fT): 150MHz
  • Operating Temperature Range: -55°C to +150°C
  • Package: TO-92

Variants:

  • BC557A: hFE = 110–220
  • BC557B: hFE = 200–450
  • BC557C: hFE = 420–800

This information is based on the manufacturer's datasheet for the BC557 transistor.

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