ترانزستور BC108 NPN للأغراض العامة

BC108 NPN General Purpose Transistor

The BC108 is a classic NPN bipolar junction transistor widely used in low noise, general-purpose amplification and switching applications. Its TO-18 metal can package ensures mechanical robustness and thermal stability, making it a go-to component for analog circuit designs, hobby electronics, and vintage restorations.

🔧 Key Features

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  Transistor Type: NPN Bipolar Junction Transistor (BJT)

  
  


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  Function: Signal amplification and switching

  
  


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  Low Noise Performance: Excellent for audio and RF preamp stages

  
  


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  Easy Integration: Standard Emitter–Base–Collector pin configuration for breadboards and PCBs

  
  

📐 Technical Specifications

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  Collector-Emitter Voltage (V_CE) Max: 30V

  
  


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  Collector-Base Voltage (V_CB) Max: 45V

  
  


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  Emitter-Base Voltage (V_EB) Max: 5V

  
  


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  Collector Current (I_C) Max: 100mA

  
  


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  Power Dissipation (P_D): 300 mW

  
  


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  DC Current Gain (h_FE): 110 – 800 (varies by model)

  
  


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  Transition Frequency (f_T): 150 MHz

  
  


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  Operating Temperature Range: –65°C to +150°C

  
  

🛠️ Typical Applications

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  Audio signal amplification (preamps and tone control circuits)

  
  


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  Signal switching for small loads (LEDs, relays)

  
  


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  Analog hobby projects and educational kits

  
  


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  RF circuits and test signal generators

  
  


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  Legacy electronics repairs (vintage radios, amps)

  
  

✅ Advantages

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  Low noise operation for clean audio and signal processing

  
  


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  Stable gain across wide temperature ranges

  
  


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  Ideal for both prototyping and production use in analog electronics