RXE090

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A PTC Resettable Fuse is a type of electrical device commonly used to protect circuits from over-current or over-voltage. The RXE090 is a robust, versatile and energy efficient resettable fuse that has been specifically designed for embedded systems. It is an advanced version of the 9-way resettable chip fuse (RCF).

The RXE090 is composed of a metal oxide polymer (MOP) material and contact interface embedded in a glass-filled polyester molded case. This contact interface is composed of a high-temperature conductive resistive element (HTE) and a single-pole, normally open temperature switch (SPNOPT). When the device senses a rise in the current, the MOP material begins to experience a rapid temperature increase which causes the SPNOPT to open and the current to be diverted away from the protected circuit.

When the current is reduced, the MOP material begins to cool down. When the temperature of the material reaches a certain threshold, the SPNOPT closes and the current is switched back to the protected circuit. This resets the circuit and prevents further damage by over-current or over-voltage. Additionally, the RXE090 has a very low second trip current, which helps to protect the circuits from thermal damage and ensures the reliable operation of the device.

The RXE090 is well-suited for applications such as consumer electronics, automotive, industrial control and power supplies. It can also be used in high-voltage power distribution systems. This device has a wide operating temperature range of -55°C to +125°C, and is available in several package sizes including TO-252 and TO-263. It is also available in standard and reverse polarity versions.

In summary, the RXE090 is an advanced PTC Resettable Fuse specifically designed for embedded systems. It is composed of a metal oxide polymer contact interface and an SPNOPT, and is capable of effectively protecting circuits from over-current or over-voltage. This device is well-suited for applications such as consumer electronics, automotive, industrial control and power supplies. Additionally, it has a wide operating temperature range and is available in standard and reverse polarities.

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