0665.160HXLL

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Fuses, commonly referred to as circuit breakers, are parts of electrical, electronic and other systems used to protect them from over current, over current, over temperature and other abnormal conditions. The 0665.160HXLL application field and working principle are as follows.

Application Field

The 0665.160HXLL is a high-performance fused-link chip designed for a seal printing circuit board (PCB) assembly and used in a wide range of medical, consumer electronics and industrial applications. Its dual sensing values (2x10A & 4x20A) provide excellent current protection, including the ability to detect and protect against over current and over temperature conditions.

The 0665.160HXLL is designed with high-capacity welding terminals and can be mounted on the PCB board. It is especially suitable for applications in safety- and environmental-sensitive products. It also comes with a convenient and reliable test-point contact that provides clear visibility of the fuse and ensures reliable protection.

Working Principle

The 0665.160HXLL is a self-protected, thermally sensitive, ceramic fuse link with an integrated, bimetallic switch. When the current flow exceeds the rated current, the temperature of the fuse link will increase and the bimetallic switch will open the circuit to protect the circuit. The working principle of the fuse is simple and it is a cost-effective solution for many applications.

When the current flow is normal, the resistance of the fuse link is high, the temperature of the link is low, and the bimetallic switch is closed, so the circuit operates normally. When the current flow surpasses the rated value, the fuse link will heat up very quickly, the resistivity decreases, and the temperature rises to the set temperature value, which will cause the bimetallic switch is opened, and the circuit is closed.

To further improve the thermal protection of the 0665.160HXLL, a thermal bridge is incorporated into the ceramic body of the fuse link. The thermal bridge quickly transfers the heat from the fuse link to the bimetallic switch and causes it to open at a lower temperature. This improves the performance of the fuse in high temperatures and provides additional protection against overheating.

Conclusion

The 0665.160HXLL application field and working principle make it suitable for a whole range of applications. Its dual sensor values (2x10A & 4x20A) provide excellent current protection and its additional thermal bridge offers unparalleled thermal protection. It is a cost-effective and reliable protection solution for medical, consumer electronics and industrial applications.

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