2PA1774SM,315 Discrete Semiconductor Products

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2PA1774SM,315 Application Field and Working Principle

Transistors are widely used to amplify and switch electrical signals, and are essential elements in most electronic devices. Bipolar junction transistors (BJTs) are widely used in a variety of applications due to their ability to switch and amplify signals. The 2PA series transistors are high-voltage, high-current bipolar transistors designed for applications in power supplies, motor speed control, automotive electronics, and audio equipment. The 2PA1774SM,315 is a NPN transistor specifically designed for use in high-voltage applications.

Specifications

The 2PA1774SM,315 NPN transistor is a parameter-controlled transistor device with a maximum collector-emitter voltage of 1500V and a maximum collector current of 4A. It is encapsulated in a TO-220 package and has a maximum rated power dissipation of 45W.

Application Field

The 2PA1774SM,315 is most widely used in switching applications, particularly in high-voltage/high-current applications such as power supplies, motor speed control, automotive electronics, and audio equipment. It is also commonly used in low-power switching circuits, as well as low-power amplifiers.

Working Principle

The 2PA1774SM,315 is a NPN transistor that works by controlling a current between the emitter and collector when a voltage is applied to the base terminal. The transistor acts as a switch that is open when no voltage is applied to the base and closed when voltage is applied. The emitter-collector current is dependent on the base-emitter voltage and the collector current. The current gain of the transistor is the ratio of the collector current to the base current, which is typically around 10 for the 2PA1774SM,315. The collector-emitter voltage of the transistor is typically around 0.3V for the 2PA1774SM,315.

Conclusion

The 2PA1774SM,315 is a high-voltage, high-current NPN transistor that is widely used in a variety of applications due to its ability to switch and amplify signals. It is most commonly used in switching applications and low-power amplifiers, and has a maximum collector-emitter voltage of 1500V and a maximum collector current of 4A. It operates by controlling a current between the emitter and collector when a voltage is applied to the base terminal, and the current gain of the transistor is typically around 10.

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