TRF250-120T-R2-B-0.5

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PTC Resettable Fuses

TRF250-120T-R2-B-0.5 is a type of PTC resettable fuse that is widely used in various electronic and electrical applications. It has advantages over traditional fuses because of its ability to reset itself after a fault condition. The fuse is often used as protection devices in circuit boards, power supplies, and other sensitive components.

TRF250-120T-R2-B-0.5 is designed for low voltage and current applications. It can be used in equipment that has an input voltage of up to 120V and a maximum current of 250 mA. The fuse has an internal resistance of 1 ohm and a trip current of 0.5 amperes. It is also designed with a thermal fuse element that helps protect the device from high temperature.

The working principle of the TRF250-120T-R2-B-0.5 involves a thermal and resistive fuse element. When the current passing through the fuse exceeds the set limit (0.5 amperes), the thermal element will heat up and cause it to open. This will disconnect the circuit and prevent any further damage. Once the overload is removed, the resistive element will cool down and the circuit will reset itself.

TRF250-120T-R2-B-0.5 is used in a variety of applications including power supplies, circuit boards, and motor controllers. Its high current rating and low power dissipation make it an ideal solution for a wide range of electrical and electronic applications. It is available in a variety of sizes and has been designed with safety features to provide protection from short circuits and electrical fires.

In conclusion, TRF250-120T-R2-B-0.5 is a reliable and cost-effective resettable fuse that is suitable for a wide range of applications. Its thermal and resistive fuse elements are designed to prevent damage from overloads and short circuits. It is an ideal choice for powering sensitive components and protecting electronic circuits.

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