V42MLA1206NA

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Varistors, or voltage dependent resistors, are electronic components with a resistance that varies with the applied voltage. They are used to protect sensitive electrical and electronic components from overvoltage or undervoltage conditions. The V42MLA1206NA is a varistor designed for transient voltage suppression applications in industrial and consumer electronic products.

The V42MLA1206NA is a bidirectional varistor with a capacitance range of 3 to 250pF, making it a good choice for use in high-current applications. It has a maximum peak breakdown voltage of 18V, a holding voltage of 15V, and a temperature coefficient of -62%/°C. It has a maximum peak absorption energy of 0.8J, and it can absorb up to 4A in a single pulse. Its peak clamping voltage is between 19V and 25V.

The V42MLA1206NA is larger in size than many other varistors, and as such, it is more suited for use in larger PCBs and applications where space is less of an issue. It is constructed of a metal-oxide layer sandwiched between two layers of copper. This allows it to absorb energy more effectively when a surge or spike occurs. It is commonly used in applications such as motor control systems, electrical panel design, and consumer electronics.

The working principle of the V42MLA1206NA is simple. When a voltage spike above or below its threshold voltage is detected, the varistor’s capacitance increases dramatically, creating a low-resistance path for the surges to follow. This reduces the stress on the components and helps prevent damage caused by excessive voltage or current.

In summary, the V42MLA1206NA is a robust Varistor designed for use in industrial and consumer electronics applications. It is capable of absorbing up to 4A in a single pulse and provides a low-resistance path for voltage spikes and surges. This ensures the safety of the electrical components it is protecting and helps reduce the risk of damage caused by overvoltage or undervoltage conditions.

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