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BD139 NPN Transistor
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Type: NPN Transistor (BD139)
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Maximum Collector Current (Ic): 1.5A
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Maximum Collector-Emitter Voltage (Vce): 80V
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Power Dissipation: 12.5W (with proper heat sinking)
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High Gain: Ideal for power amplification applications.
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TO-126 Package: Ensures efficient heat dissipation.
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Applications: Audio amplification, power switching, motor control, and general-purpose electronics
₨ 11BD139 NPN Transistor
₨ 11 -
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BC557 PNP Transistor
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Type: PNP Transistor (BC557)
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Maximum Collector Current (Ic): 100mA
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Maximum Collector-Emitter Voltage (Vce): 45V
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Power Dissipation: 500mW
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Low Noise Output: Suitable for audio amplification.
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TO-92 Package: Compact and easy to solder on PCBs.
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Applications: Amplification, switching, signal processing, and general-purpose electronics.
₨ 5 -
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BC547 NPN Transistor
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Type: NPN Transistor (BC547)
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Maximum Collector Current (Ic): 100mA
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Maximum Collector-Emitter Voltage (Vce): 45V
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Power Dissipation: 500mW
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Low Noise Output: Ideal for audio amplification.
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TO-92 Package: Compact, easy-to-use design for breadboards and PCBs.
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Applications: Signal amplification, switching, audio processing, and general-purpose electronics.
₨ 5 -
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2N2222 NPN Transistor
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Type: NPN Transistor (2N2222)
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Maximum Collector Current (Ic): 800mA
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Maximum Collector-Emitter Voltage (Vce): 40V
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Power Dissipation: 500mW
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High Switching Speed: Ideal for fast switching applications.
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TO-92 Package: Easy to use and solder onto PCBs.
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Applications: Amplification, switching, signal processing, and general-purpose electronics.
₨ 5 -



