MF-USML230-2

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PTC Resettable Fuses (PRF) are used in many electronics applications to protect circuits from short-circuiting and overcurrent conditions. The MF-USML230-2 is a mid-sized PRF that is ideal for protecting electronics connected to power sources with medium-level current ratings such as AC/DC, DC/DC, and others. This paper will discuss the application field and working principle of the MF-USML230-2 PTC Resettable Fuse.

When selecting a PTC Resettable Fuse, it is important to consider the application. The MF-USML230-2 is certified by Underwriters Laboratories to UL 1950, and is designed for applications that require a mid-sized PRF for isolation of AC/DC, DC/DC, electronic control equipment, industrial machinery, and medical instruments with continuous currents of up to 2A. This fuse has a typical trip current of 0.65A, and a temperature coefficient of -0.2%/°C at rated current. It also has a wide operating temperature range from -40°C to 85°C, making it suitable for applications in both extreme low and high temperatures.

The working principle of the MF-USML230-2 is based on PTC Resettable Fuse technology. When the fuse is overloaded, the PTC component begins to heat up, increasing its resistance and diverting more current to itself. This results in an instantaneous trip current that is capable of prot ecting against both short-circuit and overload current conditions. Once the fault condition is cleared, the PTC Resettable Fuse can be manually reset, allowing the circuit to resume normal operation.

In addition to providing overload and short-circuit protection, the MF-USML230-2 PTC Resettable Fuse also offers reverse current protection and overvoltage protection. This provides additional protection for sensitive electronics and other equipment that is vulnerable to damaging power surges. The fuse also has a patented design that provides excellent noise suppression, ensuring that connected electronics and devices are not adversely affected by transient electrical noise.

Finally, the MF-USML230-2 is a RoHS-compliant PTC Resettable Fuse, making it safe for use in a variety of applications. The fuse is also designed to be robust and reliable, making it suitable for use in critical applications where consistent device performance is essential. As such, the MF-USML230-2 is an ideal choice for a wide range of applications, including those involving AC/DC, DC/DC, electronic control equipment, industrial machinery, and medical instruments.

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