YQB120N5.60 Circuit Protection

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PTC Resettable Fuses are widely used in electronic products and home appliances as protection devices to prevent overloads. The YQB120N5.60 is one of the PTC resettable fuses, which is a thermal-magnetic system with a small space and high safety.

The YQB120N5.60 application field includes home appliances, power tools rechargeable batteries, LCD monitors, a variety of portable electronic products, power supplies, chargers and other fields.

The working principle of YQB120N5.60 is based on the special structure of the self-healing polymeric materials, it has excellent temperature resistance and mechanical strength; when the current flows through the PTC element heating, increasing the temperature rise, the electro-motive force of the PTC element decreases, so that the opening of the bypass circuit; when the current is too large to reduce the internal pressure of the PTC element more than the electro-motive force will be completely blocked circuit, instantaneously limiting the over-current; when the current suddenly decreases, the PTC element temperature decreases and the internal electrical resistance increases. When the temperature is reduced to a certain value, the bypass circuit re-closes, and the circuit is restored to its working state - proven that it can reliably repeat this process to ensure normal circuit operation.

The YQB120N5.60 PTC Resettable fuse has excellent overcurrent protection performance, high temperature-withstand capability, small size and more reliable insulation design. It can effectively prevent the occurrence of high current inrush, sparks and short circuit in electronic products. Therefore, the YQB120N5.60 can be widely used in electronic products and home appliances as protection device.

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