CG0402MLC-12LG Circuit Protection

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CG0402MLC-12LG is a product belonging to the varistor category of transient voltage surge suppressor (TVS). This product is categorized by the size, the mounting hole diameter, and the voltage. CG0402MLC-12LG belongs to the largest size of the varistor series in terms of its mounting hole diameter and voltage ratings.

CG0402MLC-12LG is mainly suitable for lighting ballast, LED driver, automotive ignition coil, and power switch protection. This product features surge protection capabilities for protecting sensitive electronic devices against transient surges. The application of CG0402MLC-12LG can lower the cost of the entire system by integrating surge suppression capabilities at one central location.

The working principle of CG0402MLC-12LG lies in its metal-oxide film which is formed on the surface of the zinc particles which are in turn formed in the same porosity cavity. This metal-oxide film is the reason behind why CG0402MLC-12LG can function properly as a surge suppressor. This metal oxide film can resist and absorb the surge energy that dissipates into heat energy when it is applied to the CG0402MLC-12LG device. This heat energy is then dissipated into the atmosphere by way of air convection. As a result, CG0402MLC-12LG is able to dissipate the voltage at a very high-speed rate, allowing it to protect sensitive electronic devices against transient surges. In addition, due to the zinc deficiency of the CG0402MLC-12LG device, over-voltage shocks can be effectively prevented.

In conclusion, CG0402MLC-12LG is a TVS varistor that is suitable for power switch protection, automotive ignition coil, LED driver, and lighting ballast as it can protect against transient surges quickly and effectively. This product is designed with a zinc deficiency to prevent over-voltage shocks and a metal-oxide film which helps dissipate voltage rapidly.

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