B59205R0140B010

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PTC Resettable Fuses have become a key component in many applications requiring safety, reliable power protection, and circuit performance optimization. As their name implies, these fuses are designed to reset after being subjected to a current overload, thus eliminating the need to purchase and replace them each time they are triggered. The B59205R0140B010 PTC Resettable Fuse is one particular model of PTC Resettable Fuse and its application field and working principle will be discussed in this article.

Application Field

The B59205R0140B010 is a particularly versatile and powerful PTC Resettable Fuse that can be used in a variety of applications. These range from consumer appliances to heavy industrial machinery, and it can be used in many different power systems. It is most commonly used in consumer electronic devices, such as any device with an LED power supply, as well as in industrial applications such as factory automation. The B59205R0140B010 is also suitable for a wide range of automotive applications. Depending on the size and power rating of the fuse, it can be used in car batteries, automotive fuel delivery systems, and other automotive power systems.

Working Principle

PTC Resettable Fuses are designed to re-energize after having been tripped due to a short circuit or over-current. It does this by using a combination of electro-mechanical and thermal elements. When there is a current surge, the metal strip inside the fuse melts, breaking the connection and stopping the flow of current. This thermal element then triggers a mechanical element, which causes a physical latch to break, allowing the two pieces of the fuse to move apart and thereby break the circuit and prevent further current from flowing. When the short circuit or overload is removed, the temperature of the fuse falls, the metal strip inside it cools down, and the latch is re-engaged, allowing the circuit to continue.

The B59205R0140B010 fuse is designed to react quickly to these overloads. Its melting time is between 40 ms and 210 ms, depending on temperature, and once it has melted, it takes just 5 ms for the resetting action to occur. This ensures that in the event of a power surge or overload, the fuse will respond quickly and reset itself so that the circuit can continue operating without any disruption.

In addition to providing fast resetting action, the B59205R0140B010 is also designed to withstand high temperatures. It is rated for temperatures between -40 °C and 125 °C, ensuring that it can continue to provide protection even in harsh environments. It is also rated for up to 635 V and has an insulation distance of 7.6 mm, ensuring that it is safe to use even in potentially hazardous power supplies.

The B59205R0140B010 PTC Resettable Fuse is a highly versatile, reliable, and powerful fuse designed to provide fast and effective power protection in a wide range of applications. It is designed to react quickly to power overloads and reset itself rapidly, allowing the circuit to continue performing without disruption or damage. It is also designed to withstand the high temperatures and voltages of industrial and automotive applications, ensuring that it can provide reliable protection in even the harshest environments.

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