Transistor C2911 NPN 140mA 180V
22,63 EGP
Transistor C2911 NPN 140mA 180V
The Transistor C2911 is a high-voltage NPN transistor designed for precision amplification, fast switching, and stable performance across a wide operating range. With a collector current of 140mA and a collector-emitter voltage of 180V, this transistor is ideal for applications requiring high voltage tolerance and reliable signal integrity. The Transistor C2911 provides superior linearity, minimal distortion, and low leakage current, making it a preferred choice for audio amplifiers, video signal processing, and industrial electronic designs.
Key Features
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Type: NPN Silicon High-Voltage Transistor
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Collector Current (Ic): 140mA continuous
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Collector-Emitter Voltage (Vce): 180V
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Collector-Base Voltage (Vcb): 200V
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Emitter-Base Voltage (Veb): 5V
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DC Current Gain (hFE): 40 – 240 (depending on current and voltage)
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Transition Frequency (fT): 50 MHz typical
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Package Type: TO-92 or similar plastic encapsulation for compact assembly
Advantages
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High voltage capability (up to 180V) suitable for precision and industrial circuits.
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Low collector leakage current, ensuring stable operation even in high-voltage environments.
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Excellent frequency response, making it ideal for video and RF amplification.
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Reliable thermal stability and consistent current gain across temperature variations.
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Compact design for easy integration into both analog and digital circuits.
Applications
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Audio Amplifiers: Offers smooth signal amplification with low noise and distortion.
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Video Amplifiers: Performs efficiently in television and monitor circuits.
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Switching Circuits: Handles moderate current with high voltage control and fast response.
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Oscillator and Pulse Circuits: Ensures frequency stability and sharp waveform generation.
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Industrial and Control Systems: Suitable for high-voltage signal processing and automation.
Electrical Characteristics (Typical Values at 25°C)
| Parameter | Symbol | Test Condition | Value |
|---|---|---|---|
| Collector-Emitter Voltage | Vceo | Ic = 0 | 180V |
| Collector Current | Ic | Continuous | 140mA |
| DC Current Gain | hFE | Vce = 5V, Ic = 10mA | 40–240 |
| Transition Frequency | fT | Vce = 10V, Ic = 10mA | 50 MHz |
| Collector Dissipation | Pc | — | 800 mW |
| Junction Temperature | Tj | — | 150°C max |
Datasheet Summary
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Model: C2911
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Polarity: NPN
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Collector Current (Ic): 140mA
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Collector-Emitter Voltage (Vce): 180V
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Power Dissipation: 800 mW
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Frequency Response: 50 MHz
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Package Type: TO-92
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Complementary Pair: A1209 (PNP Transistor)
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Operating Temperature Range: -55°C to +150°C
Conclusion
The Transistor C2911 is a versatile NPN transistor optimized for high-voltage and precision signal applications. Its impressive voltage handling capacity of 180V, combined with low noise and fast switching, makes it an outstanding component for amplifiers, oscillators, and control systems. Whether used in professional-grade electronics, industrial automation, or high-frequency applications, the Transistor C2911 NPN 140mA 180V ensures long-lasting reliability, high efficiency, and consistent performance, making it a trusted choice for engineers and designers seeking superior circuit stability and quality.

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