Description
🔋 BC547 NPN Transistor – Versatile Component for Amplification & Switching
The BC547 is a popular NPN bipolar junction transistor (BJT) designed for general-purpose electronic applications. Known for its low noise, high current gain, and compact TO-92 package, it’s widely used in signal amplification, switching circuits, Arduino-based projects, and audio electronics.
Whether you’re prototyping or building a final product, the BC547 provides reliable and efficient performance for both beginners and professionals.
⚙️ Features
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🔧 General-Purpose NPN BJT – Ideal for amplifying weak signals or acting as a fast switch.
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🔇 Low Noise Performance – Perfect for audio and signal-sensitive applications.
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📈 High Current Gain (hFE) – Efficient operation for small-signal designs.
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🤖 Arduino & DIY Friendly – Great for hobby electronics and educational kits.
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🧰 Compact TO-92 Package – Easy to use on breadboards and PCBs.
📐 Specifications
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Transistor Type: NPN Bipolar Junction Transistor
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Collector-Emitter Voltage (Vce max): 45V
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Collector Current (Ic max): 100mA
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DC Current Gain (hFE): 110 – 800
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Power Dissipation (Ptot): 500mW
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Operating Temperature: -55°C to +150°C
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Package Type: TO-92
📏 Physical Dimensions
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Length: 4.8 mm
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Width: 3.7 mm
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Height: 5.3 mm
📦 Applications
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🎛️ Audio Amplifiers
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⚡ Switching Circuits
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🤖 Arduino & Embedded Projects
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📶 Signal Processing
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🧪 Prototyping and Learning Circuits







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