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How Should I Choose The LED Circuit

How should I choose the LED circuit

In the normal working state of self recovery insurance pipe is very small fever, in the abnormal working state of its high fever is very high, it also restricts the current through it, thus playing a protective role. In a specific circuit, you can choose:

1, separate protection. The general LED lamp is divided into many strings. We can add one PTC element to the front of each branch for protection. The advantages of this method are high accuracy and good reliability of protection.

2. Overall protection. A PTC element is added to the front of all beads to protect the whole lamp. The advantage of this approach is simple, not volume. For civilian products, the result of this kind of protection in practice is satisfactory.