CP310-MPSA42-CT

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The CP310-MPSA42-CT is a single bipolar junction transistor (BJT) device manufactured by ON Semiconductor and is used in various types of analog, digital and mixed-signal applications.

Introduction

The CP310-MPSA42-CT is a NPN bipolar junction transistor (BJT) with an integrated pre-biased collector-emitter resistor. It is designed to provide efficient operation in linear and switching applications, offering high breakdown voltage and suitable current handling capability. The CP310-MPSA42-CT is available in a standard four-pin TO-92 package, making it ideal for use in low-profile circuit boards and applications with limited space.

Application Areas

The CP310-MPSA42-CT is commonly used in a variety of linear and switching applications, including but not limited to audio amplifiers, television receivers, radio transmitters, and automotive power supplies. It can also be used to switch input and output signals in digital circuits, and for active loads, for example in level shifting circuits and pulse generation. In addition, it is suitable for applications demanding pulse or precise timing circuit.

Working Principle

The CP310-MPSA42-CT works according to the basic principles of a bipolar junction transistor. This type of device consists of two p-type and one n-type semiconductor layers. The two p-type layers, or emitter and base, are separated by an intervening n-type layer, or collector. By controlling the current applied to the base, it is possible to control the current flowing between the emitter and collector and thus switch the device on and off.

When the device is switched on, the current that flows between the emitter and collector is known as the collector current, or Ic. This current produces a voltage, known as the collector-emitter voltage, or Vce, across the collector-emitter terminals. This voltage can be controlled by controlling the base current, or Ib. The ratio between Ib and Ic is known as the current gain of the device and is expressed as the beta factor (β).

The CP310-MPSA42-CT has a high Β (or β) factor, and this feature makes it suitable for applications such as analog transistor amplifiers that require good current gain. It also has a relatively low saturation voltage which makes it suitable for applications that require high-speed switching.

Conclusion

The CP310-MPSA42-CT is a single bipolar junction transistor (BJT) device with integrated pre-biased collector-emitter resistor. It is suitable for various applications such as audio amplifiers, television receivers, radio transmitters, automotive power supplies, and digital circuits. Its high Beta factor and low saturation voltage make the CP310-MPSA42-CT an ideal device for analog transistor amplifiers and high-speed switching applications.

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