B59676A0110B010

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PTC Resettable Fuses

PTC resettable fuses have become an essential component of contemporary circuit protection. This type of safety device is designed to carry an electrical current through a circuit but to trip when a fault, such as an overload or short circuit, occurs. In the event of the fault, the PTC resettable fuse ‘trips’, cutting power until a person manually resets the device.

B59676A0110B010 application field and working principle

The B59676A0110B010 is a PTC resettable fuse designed for overcurrent protection in consumer, commercial and industrial applications. It is suitable for automotive systems including infotainment, electric power assist steering, lithium-ion battery packs, electronic control units and power supplies.

The B59676A0110B010 has a nominal operating voltage of 30V and a DC current rating of 10A. The operating temperature of the device ranges from -55°C to 125°C. The device can trip at up to 150% of the rated current, allowing for safe operation in overload conditions.

The working principle of the B59676A0110B010 is based on what is known as positive temperature coefficient (PTC) technology. This is a form of electrical protection which relies on a temperature-dependent resistance change. When the temperature of the device increases due to an overload, its resistance increases, resulting in a decrease in current flow. This protects the circuit against overloads and short circuits.

Once the temperature decreases, the device returns to its original state and allows current to flow through the circuit again. This allows the device to ‘self-heal’ when the fault is removed. The device can then be reset manually by a user.

The B59676A0110B010 is designed to provide reliable overcurrent protection in a variety of applications. Its PTC technology allows it to offer effective and reliable protection even in overload conditions, while its reset feature makes it a reliable and safe choice for circuit protection.

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