RHEF1100

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PTC Resettable Fuses are widely used in a variety of different applications in the consumer electronics and automotive industries. RHEF1100 is a very popular PTC resettable fuse used in these industries. In this article, we will discuss the application field and working principle of RHEF1100.

Application Field of RHEF1100

RHEF1100 is most commonly used in consumer electronics, such as laptop computers, monitors, cell phones, digital cameras, and more. The fuse offers a wide variety of protection against over-current, overload, short circuit and reverse polarity protection. This protection is especially important in electronics that require a lot of power, such as gaming consoles or high-end graphics cards.

RHEF1100 is also used in the automotive industry, as it can offer protection against over-voltage, short circuit, and over-temperature events. It has found applications in electrical distribution systems, power windows, and headlights, to name a few. The fuse is also suitable for automotive batteries, as it can prevent the battery from overcharging.

Working Principle of RHEF1100

RHEF1100 is a polymeric positive temperature coefficient (PTC) resettable fuse. It works by melting a special type of metal alloy when the current exceeds the rated value. This melting causes a mechanical change in the fuse that increases its resistance, thus limiting the current. The fuse will automatically reset itself once the current drops to a safe level.

The fuse’s PTC element is made up of materials with different coefficients of thermal expansion. When the temperature rises above a certain level, these materials expand at different rates, causing the PTC element to change its shape. This shape change results in higher resistance, which limits the current and prevents damage to the device.

RHEF1100 also features Shut-Off Protection, which interrupts the current when it exceeds a certain level. This helps protect the device from over-current and short circuit risks. This protection is especially important in sensitive electronics, such as laptops and cell phones.

Conclusion

RHEF1100 is a popular PTC resettable fuse used in many different applications. It provides a wide range of protection against over-current, overload, short circuit and reverse polarity. It also features Shut-Off Protection, which helps prevent damage from sudden current spikes. With its wide range of features and relatively low cost, RHEF1100 is an ideal choice for a variety of consumer electronics and automotive applications.

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