0ZCB0200FF2E Circuit Protection

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PTC resettable fuses (also known as polyfuses) are a type of polymeric positive temperature coefficient (PPTC) thermistors. These fuses are used for reliable and secure over-current protection in the electrical/electronic circuits. They are widely used in consumer, automotive, industrial and military applications. The 0ZCB0200FF2E is an example of a PTC resettable fuse designed to meet the requirements of the UL, CSA, and PSE certification standards.

The 0ZCB0200FF2E is a highly reliable over-current protection device with a high break-point range (0.8 to 8A). It is made of a PTC thermistor element which is a semiconductor material whose temperature increases when a higher current passes through it. The temperature rise causes the element to become increasingly resistant until it reaches its specific break-point and then opens the circuit.

When the current is limited to a normal level, the device cools down and the resistance of the element decreases. This leads to the re-closing of the circuit, thus resetting the PTC fuse. This makes the PTC fuse a primary protective device that is both reliable and self-resetting. Its ability to reset on its own also ensures that it can protect an electronic system from a potentially hazardous short-circuit without having to be manually reset.

The 0ZCB0200FF2E has a wide variety of applications, ranging from low-voltage low-current applications such as battery protection and charging control to high-voltage high-current applications such as automotive fuel pumps, starter motors, air conditioners and home appliances. It can also be used for over-voltage protection in medium-voltage applications such as power supplies, motors and transformers.

The 0ZCB0200FF2E has a working principle similar to that of its predecessor, the standard PTC resettable fuse. It relies on the temperature increase of the PTC element, which is caused by higher current passing through it, to activate the break-point. As the temperature of the element increases, it becomes increasingly resistant until it reaches its break-point and then opens the circuit. When the current is limited to a normal level, the device cools down and the resistance of the element decreases. This leads to the re-closing of the circuit, thus resetting the fuse.

The 0ZCB0200FF2E has several advantages over other types of over-current protection devices, such as conventional fuses. It is able to detect and efficiently protect against current surges, is much more reliable than standard fuses, and does not require additional dynamic circuits to achieve protection. It also has a much wider range of applications due to its unique design, making it suitable for a diverse range of electrical/electronic systems.

The 0ZCB0200FF2E has become a common choice for reliable protection against current surges in electrical/electronic circuits due to its many advantages. It is a highly reliable and self-resettable device that provides protection against dangerous current overloads, making it a must-have for any electrical/electronic system.

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