TV04A170J-G

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TVS – Diodes are surge-suppressor devices that protect circuitry from strong voltage spikes, or transients. TV04A170J-G is a specific type of silicon-chip component that can be used for transient voltage suppression. The application field and working principle of TV04A170J-G can be broken down as follows.

Application Field

This type of TVS-Diode can be used in a variety of applications, including:

• Electronic lines which are subject to induced or natural lightning strikes.
• Electronics subject to electromagnetic interference (EMI) or electrostatic discharge (ESD).
• Industrial factory equipment that is used in a wide variety of electrical environments.
• Portable devices such as mobile phones, computers, and game consoles that are subject to extreme environmental conditions.

This type of diode is also applicable in automotive electronics, as it can protect electrical components from voltage overloads and short circuits generated by any power sources. It can also prevent reverse voltage transients.

Working Principle

TV04A170J-G is an integrated chip with multiple components. It comprises of an avalanche diode, two zener diodes, and an NPN transistor. The avalanche diode is used to suppress transient voltages, while the zener diodes provide a stable range of output voltage. The NPN transistor then acts as an amplifier.

When a transient voltage exceeds the working voltage level of the chip, the avalanche diode will start conducting current and reduce the voltage spike. At the same time, the two zener diodes will operate in avalanche breakdown and resist further increases in voltage. The NPN transistor amplifies any voltage spikes that may occur and the two zener diodes control the output voltage.

The chip works as follows: when the voltage reaches the stable range, the NPN transistor will start to conduct and the zener diodes will be activated, preventing further increases in voltage.

After the chip has been activated, the components within the chip work together to provide protection against transient voltages, EMI, and ESD. This allows for the safe operation of the electronic components and prevents any damage from occurring.

TV04A170J-G is a versatile chipset that can be used in a variety of applications and is designed to provide effective protection against transient voltages, EMI, and ESD.

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