ATV04A160J-HF Circuit Protection

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There are a variety of transient voltage suppression (TVS) diodes available on the market to protect sensitive electronic devices from damaging voltage transients and spikes. The ATV04A160J-HF is one such example of such a device. It is a slow-acting solution featuring an IEC 61000-4-2 compliant unidirectional Aluminum Electrolytic Capacitor (AEC) and an N-Channel MOSFET transistor. What makes this device unique is the way in which it works to effectively suppress transients by combining the transient protection found on the capacitor with the steady state protection of the MOSFET. This allows for comprehensive protection against both fast and slow voltage transients.

The ATV04A160J-HF has a peak pulse power rating of 400W (10/1000µs,) and can handle a maximum reverse voltage up to 160V. Additionally, the insulation voltage between drain and source/gate of this device is rated at 500V, which provides a very strong level of protection for the application it is intended to serve. It has a maximum capacitance of 1,800µF and a very low clamping voltage of approximately 21.3V. This adds another layer of protection, helping to ensure that the voltage is not able to reach a state where it causes severe damage or failure of a system.

The ATV04A160J-HF has been designed with an array of applications in mind, mainly for high-field, low-field environments. In such applications, it is used to provide both steady-state and transient protection against high voltage transients. Additionally, the device can be used to protect sensitive components in automotive, industrial, and electronic systems, as well as surge protection in communication networks and high-speed data-transmission systems. It is also suitable for use in telecommunications equipment, consumer electronics, and other systems that are subject to lightning strikes or power disturbances.

In terms of its working principle, the ATV04A160J-HF uses the combination of both an N-Channel MOSFET and an AEC. This pair of components is connected in a series and acts as a transistor-based resistor-capacitor (RC) filter, which is connected across the circuit that is being protected. When an overvoltage condition exists, the AEC will start to absorb the transient current and the MOSFET will start to channel the energy away from the circuit, dissipating it as heat through its drain lead. At the same time, the device will also provide a protective clamp for the circuit.

To sum it up, the ATV04A160J-HF is a slow-acting TVS diode that provides protection against both fast and slow voltage transients. It is a popular solution for providing protection against power surges, as its components work in tandem to effectively absorb transient levels and protect the surrounding circuitry from severe damage. The device is also suitable for use in a variety of applications, including automotive, industrial, and consumer electronics, as well as telecommunications and data-transmission systems.

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