V385LT7P

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TVS - Varistors, MOVs

V385LT7P is an electronic device designed for high current protection applications. It is designed to protect against over-voltage surges, lightning, short circuit current, power supply switching, and other current irregularities. The V385LT7P is essentially an off-state varistor specifically designed for maximum surge protection. It has a high surge capability of 800W (1/2 s) at a 70A max operating current. The V385LT7P is an ideal solution for that need high surge current protection in their products.

Working Principle

The V385LT7P works by applying a high-frequency energy spike to a metal oxide varistor (MOV) device. This form of clamping action is better than clamping using a zener diode. It is able to provide higher-frequency overvoltage protection due to its ability to absorb energy more quickly. This has the effect of slowing down the voltage rise time and thereby reducing the electrical noise created by it. The V385LT7P is basically an off-state MOV with a thin-film dielectric layer sandwiched between two metal plates. This layer acts as an electrostatic shield between the metal plates. A voltage is then applied to the device, which causes the dielectric layer to break down and allow an electric current to be conducted. This current then clamps the voltage to a specific level and protects the device from overvoltage. The V385LT7P is designed to withstand surge spikes up to 800W (1/2 second) without any permanent damage to the device.

Application Field:

The V385LT7P can be used in a variety of electrical and electronic equipment protection applications. These include power supplies, communication systems, automotive systems, and consumer products. Protection of electronic devices from overcurrent, over-voltage, and other electrical irregularities is critical for their reliable operation.Due to its high surge capability, the V385LT7P is an ideal solution for those needing reliable overcurrent protection. It is also well-suited for use in environments that require a very low resistance device. The V385LT7P is also ideal for use in high-powered automotive, communication, and industrial applications. The V385LT7P is also suitable for applications that require a higher level of overvoltage protection. Due to its non-linear voltage-current characteristics, it can absorb more than three times the energy of a normal MOV for the same amount of current. This makes it ideal for systems requiring higher surge protection than normal.

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