B59830C0120A070

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PTC resettable fuses are a unique type of circuit protection device which has become increasingly popular in recent years due to its ability to reset, or turn off, after an overcurrent event. The B59830C0120A070 is an example of such a device, and this article will explain its application field and working principle.

The B59830C0120A070 PTC resettable fuse is designed for applications requiring low overcurrent protection. This low impedance device is especially suitable for use with low voltage DC circuits, which makes it a popular choice for a wide range of applications, such as consumer electronics, automotive electronics, and power distribution systems.

The working principle of the B59830C0120A070 is based on the difference between a conventional fuse and a resettable fuse. In a conventional fuse, an overcurrent event will cause an increase in current, resulting in the fuse melting or “blowing”, thus breaking the circuit. A PTC resettable fuse, on the other hand, relies on a special semiconductor material which will act as a current limiter when the current through it reaches a predetermined level. This semiconductor material will cause a rapid increase in resistance when the current through it reaches the predetermined level, thus limiting the current and protecting the circuit. Once the fault has been rectified, the PTC resettable fuse will reset itself, allowing current to flow as normal.

The B59830C0120A070 PTC resettable fuse has a maximum rated current of 12A, a maximum rated voltage of 30V, and a cold resistance of 0.45 ohms. It has a built-in thermal shutoff and can withstand a surge current of 35A. This fuse also has a highly reliable self-resetting capability, which allows it to reset itself after the fault has been cleared.

In addition to its low current protection, the B59830C0120A070 also offers excellent performance in terms of overheat protection. This fuse will shut off in the event that its temperature exceeds a predetermined level, thus protecting the circuit from thermal damage.

The B59830C0120A070 is a highly reliable and efficient PTC resettable fuse which is suitable for use in a variety of applications. It offers low overcurrent protection, excellent performance in terms of overheat protection, and a reliable self-resetting capability. As such, it is an ideal choice for low voltage DC circuits, such as those used in consumer electronics, automotive electronics, and power distribution systems.

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