V0603MHS03NA

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The V0603MHS03NA is a Varistor, MOV, which is a device used to suppress overvoltage transients on AC line circuits. It is commonly used in automobile electronics, motor drives, and AC line connected electronics, among other applications. This device helps reduce the risk of damage caused by electrical transients on the AC line circuit, such as spikes caused by lightning or other causes of voltage surges. The device also helps to prevent overvoltage due to the effects of inductive and capacitive loading when the load is switched on.

The V0603MHS03NA has a high surge current capability, making it well suited for applications that require robust protection. It is also rated for a high ESD protection level. The device is designed with a double-layer NTC (Negative Temperature Coefficient) varistor element, which provides additional surge current protection, and helps to reduce the risk of device failure due to an over-current event. The device features a non-linear voltage-current characteristic, providing improved overvoltage protection.

The V0603MHS03NA works by limiting overvoltage transients to a safe level. The double-layer NTC varistor element contains a dielectric layer, which allows it to dissipate energy without the need for a thermal fuse or the like. When a surge occurs on the AC line circuit, it is quickly diverted by the device, rather than passing through the circuit unabated. The device is also designed to be self-healing, which means that it can absorb and dissipate energy without sustaining any damage itself.

The V0603MHS03NA is rated for an operating temperature range of -40°C to 70°C and has a high surge current capability of 345A (8/20μs waveform). The device is offered in various voltage ratings, from 5V up to 250V, and is also available in a range of different packages, such as surface-mount and through-hole mount. It is designed to meet the IEC 61000-4-5 standard, and is UL/CSA approved.

In conclusion, the V0603MHS03NA is an ideal Varistor, MOV, for AC line circuit applications, offering robust protection from overvoltage transients and other surge events. It is designed with a double-layer NTC varistor element, which helps to reduce the risk of device failure due to an over-current event. The device is also self-healing, which means that it can absorb and dissipate energy without sustaining any damage itself. Furthermore, it is rated for a high ESD protection level, and is offered in various voltage ratings and packages.

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