BC557 PNP General Purpose Transistor

  • PNP transistor for general-purpose switching and amplification

  • -45V / -100mA ratings make it suitable for low-power circuits

  • TO-92 package for easy through-hole mounting

  • Widely used in audio, analog, and control applications

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Description

The BC557 is a general-purpose PNP bipolar junction transistor (BJT) designed for use in switching and amplification applications. Its compact size and reliable performance make it ideal for low-power circuits, audio applications, and signal amplification.

Key Features:

  • Type: PNP Bipolar Junction Transistor (BJT)
  • Voltage Ratings:
    • Collector-Emitter Voltage (VCE): 45V
    • Collector-Base Voltage (VCBO): 50V
    • Emitter-Base Voltage (VEBO): 5V
  • Current Ratings:
    • Collector Current (IC): 100mA
  • Gain (hFE): 110 to 800
  • Package Type: TO-92 (Plastic)

Applications:

  • Signal amplification
  • Audio and voltage amplifier circuits
  • Switching low-power loads
  • General-purpose electronics projects

Pin Configuration:

  1. Emitter (E) – Connected to the negative side of the circuit
  2. Base (B) – Controls the transistor’s operation
  3. Collector (C) – Connected to the load

The BC557 is a reliable PNP transistor used for medium and low-power switching and amplification applications. It’s ideal for hobbyists, students, and professionals working with analog circuits and low-power electronics.

نظرة عامة ومواصفات المنتج — بالعربية

BC557 PNP General Purpose Transistor متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Basic Electronic Components وTransistor، بسعر 1,00 EGP. كود المنتج لدينا: EK1054. المنتج متوفر في المخزون وجاهز للشحن الفوري لكل محافظات مصر مع إمكانية الدفع عند الاستلام.

أهم المواصفات الفنية:

  • Product Name: BC557 PNP Transistor
  • Category: Semiconductor → BJT Transistor
  • Transistor Type: PNP (General Purpose)
  • Package: TO-92
  • Max Collector Emitter Voltage (Vceo): -45 V (typical)
  • Max Collector Current (Ic): -100 mA (typical)
  • Power Dissipation: ~500 mW (typical, depends on package)
  • Gain (Hfe): varies by grade (A/B/C)

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Specification

Specification

WeightWeight1 g
Dimensions0,5 × 0,5 × 0,45 cm
Product NameBC557 PNP Transistor
CategorySemiconductor → BJT Transistor
Transistor TypePNP (General Purpose)
PackageTO-92
Max Collector-Emitter Voltage (Vceo)-45 V (typical)
Max Collector Current (Ic)-100 mA (typical)
Power Dissipation~500 mW (typical, depends on package)
Gain (hFE)varies by grade (A/B/C)
Applicationsswitching, amplification, driver circuits, general-purpose PNP use

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