B59990C0080A070

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PTC Resettable Fuses are essential components of electrical systems. Of these, the B59990C0080A070 is one of the most popular on the market. This fuse is a Polymeric Positive Temperature Coefficient (PPTC) Resettable Fuse, which is a type of self-resetting fuse.

A PTC Resettable Fuse protects against sudden power surges, current leaks, and short circuits in electrical systems by allowing current to pass through it at safe levels. It is designed to disconnect current once it approaches the maximum rated current for the device. This enables it to reset itself quickly and safely, restoring power when the surge has ended.

The B59990C0080A070 is a versatile device and can be used in a variety of applications. It is ideal for use in automotive, industrial, consumer electronics, and other electric systems. In automotive systems, the B59990C0080A070 is used to protect against surges caused by engine starts, electric motor adjustments, and short circuits. In industrial systems, it is used to protect against surges due to fluctuations in power or voltage, such as overloads. In consumer electronics, it is used to protect against power surges caused by lightning strikes or power outages.

The working principle of the B59990C0080A070 is based on two components: the thermistor and the bimetallic switch. The thermistor is a solid-state resistor that has a positive temperature coefficient, which means that its resistance increases as its temperature rises. The thermistor is connected in series with the electrical load, such that when the current passing through the circuit exceeds the rated current of the fuse, the thermistor heats up and its resistance increases, which causes the current to drop. At this point, the bimetallic switch trips, and current is no longer allowed to flow through the circuit.

The benefit of the B59990C0080A070 is that it will reset itself once the current drops below the rated value. This provides a simple and cost-effective way to provide overcurrent protection in a circuit. With its simple design and reliable performance, it is no wonder why the B59990C0080A070 is so popular.

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