BC107 NPN Metal Transistor

BC107 NPN Metal Can Transistor – General Purpose Amplifier/Switch

The BC107 is a general-purpose NPN bipolar junction transistor housed in a durable TO-18 metal can package, known for its reliability and low noise characteristics. Commonly used in signal amplification, switching, and analog circuits, the BC107 is ideal for educational, prototyping, and repair applications.

🔧 Key Features

• Type: NPN Bipolar Junction Transistor (BJT)

• Package: TO-18 metal can – provides excellent thermal performance and mechanical durability

• Application: Low-power amplification, signal switching, audio preamps, analog circuits

• Low Noise: Suitable for use in audio and RF stages

• Standard Pinout: Emitter, Base, Collector – easy to integrate into breadboards or PCBs

📐 Technical Specifications

• Maximum Collector-Emitter Voltage (V_CE): 45V

• Maximum Collector-Base Voltage (V_CB): 50V

• Maximum Emitter-Base Voltage (V_EB): 5V

• Collector Current (I_C): Max 100mA

• Power Dissipation: 300 mW

• DC Current Gain (h_FE): Typically 110–450

• Transition Frequency (f_T): 150 MHz

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

🛠️ Applications

• Audio signal pre-amplification

• Switching small loads (LEDs, relays)

• Oscillator and timer circuits

• Hobby electronics and prototyping

• Educational kits and analog practice boards

✅ Advantages

• Metal can housing ensures long-term stability and heat resistance

• Excellent for vintage circuit designs or where metal-case transistors are preferred

• Reliable performance for both analog and digital signal handling