ZTX790ASTOA

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The ZTX790ASTOA is a part of the ZTX family of NPN bipolar junction transistors from STMicroelectronics. It is a single-package, surface-mounted device (SIP). It is designed for general switching and amplifier applications.

The ZTX790ASTOA has a maximum collector–emitter voltage of 120V. The collector current is specified for a collector–emitter voltage of 10V and a collector current of 1A. It has a low saturation voltage of 0.5V. It has a total power dissipation of 600mW.

The ZTX790ASTOA is typically used in switching applications. It can be used as an electronic switch to control the flow of current in circuits. It can also be used as an amplifier. It is used to amplify low voltage signals to higher voltage signals.

The working principle of the ZTX790ASTOA is based on the behavior of the NPN transistor. It consists of three terminal connections: the emitter, the base, and the collector. The emitter-base junction is forward-biased, and the collector-base junction is reverse-biased.

When a small signal current from the base terminal is applied to the base, it is amplified and transferred to the collector terminal. This occurs as the current from the collector terminal is proportional to the current applied to the base. The amount of current amplified between the collector and the base terminals is called the current gain, which is represented by the hFE value of the device.

The ZTX790ASTOA can also be used as a switch. When it is used as a switch, the transistor is biased in the saturation region. In this region, the collector-emitter voltage is minimum and the collector current is controlled by the base current. This allows current to flow from the emitter to the collector. When the base current is removed, the transistor turns off and no current will flow from the emitter to the collector.

The ZTX790ASTOA is a versatile device with a wide range of applications. It can be used as an electronic switch, amplifier, and voltage regulator. It is a reliable and cost-effective solution for many electronic applications.

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