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BC547 SMD Transistor – NPN General Purpose Switching & Amplifier IC
Specifications
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Transistor Type: NPN
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Technology: Bipolar Junction Transistor (BJT)
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Collector-Emitter Voltage (Vce): 45V
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Collector-Base Voltage (Vcb): 50V
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Emitter-Base Voltage (Veb): 6V
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Continuous Collector Current (Ic): 100mA
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Power Dissipation: 250mW
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DC Current Gain (hFE): 110 to 800 (A/B/C variants)
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Transition Frequency (fT): 100MHz (typical)
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Operating Temperature Range: -55°C to +150°C
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Package Type: SMD (SOT-23)
₹2.08 (Incl. GST)
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The BC547 SMD is a general-purpose NPN bipolar junction transistor (BJT) widely used for low-power switching and signal amplification applications. It is the surface-mount equivalent of the popular BC547 through-hole transistor, offering compact size and reliable performance.
This transistor is commonly used in audio amplifiers, sensor circuits, microcontroller interfaces, and embedded electronics, making it an essential component for both hobbyists and professional designers.
Applications
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Low-power switching circuits
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Signal amplification
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Audio pre-amplifier stages
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Sensor interfacing
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Arduino & microcontroller projects
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Embedded system designs
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Consumer electronics
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Educational electronics projects








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