RHEF100-AP Circuit Protection

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The RHEF100-AP resettable fuse is one of the most important types of resettable fuse in the PTC (Positive Temperature Coefficient) range. It is a low-signal device specifically designed for low-current and low voltage applications. It is mostly used for portable and professional electronic devices.

The RHEF100-AP resettable fuse is a surface mounted electronic component that uses a positive temperature coefficient (PTC core) as the main element for current protection. It consists of a PTC resistive core, a pair of gold-plated electrodes, and a polycarbonate casing. The most popular type of PTC that is used in the RHEF100-AP is the NTC PTC. NTC PTCs are predominantly used in consumer-level portable electronic devices.

The RHEF100-AP is designed to be used in applications that require a low current and voltage rating. It is suitable for use in a range of electronic devices including portable computers, audio and video equipment, medical electronic components, and industrial equipment. The RHEF100-AP is designed to work below a temperature of 85°C (185℉). It is also capable of carrying currents up to 1A.

The working principle behind the RHEF100-AP is relatively simple. The PTC resistive core element acts as a thermal fuse, meaning that it has a built-in safety mechanism that will shut down a device when a certain current and/or temperature is reached. When the current and/or temperature rises to a specific level, the PTC element will activate and cut off the device\'s power supply. This will prevent the device from becoming damaged due to an overload.

The resettable fuse is also able to reset itself after the power source has been removed for some time. After the power is removed, the PTC will cool off and reset itself, allowing the device to be powered up again.

The RHEF100-AP resettable fuse is a great device for most consumer-level portable electronic devices. It is easy to install and use, and its simple working principle ensures reliable and safe operation. It can handle current loads up to 1A and is suitable for use in a range of portable electronics.

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