RXEF017-2 Circuit Protection

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PTC resettable fuses are widely used in the electronics industry due to their superior electrical properties. They are created using a polymeric material, such as polydimethylsiloxane, that has been filled with resistive metal particles. When the current passing through the fuse reaches a certain level, it becomes active and heats the metal particles, causing them to expand and create an electrical short circuit. This action limits the current to a safe level while the fuse is still intact. When the current is dropped below the fuse’s rated amperage, the particle shrink back down into their original positions and the fuse is reset.

The RXEF017-2 is a type of 2-pole resettable or “PTC auto-reset” fuse with rated current of 17 A. It can work in temperatures between -50℃ and 125℃, as well as in a wide range of voltage conditions, and can be used in large-scale electrical systems or in smaller, handheld devices like cell phones. The RXEF017-2 has a basic working principle: when the current passes through it exceeds its rated value, a PTC device inside the fuse detects this and generates heat, thus increasing its resistance and preventing further current flow until it is cooled.

The RXEF017-2 has a wide range of uses in the electronics industry. It can be used as a protective device in automotive systems, circuitry boards, or mobile phones. In car brakes, for example, the RXEF017-2 can be used as an overvoltage protector for the electronic control unit. In circuit boards, the fuse can provide a safety feature to limit current in cases of accidental overvoltage or short-circuiting. And, in mobiles phones, the fuse can be used to protect the coil antenna from damage.

In addition, the RXEF017-2 is also a reliable protection device in domestic electrical systems. It can be employed to protect sensitive appliances in homes from overcurrent conditions, averting potential fire hazards due to short-circuiting. It is particularly suitable for use in kitchens where appliances such as ovens, microwaves, and electric kettles can draw heavy currents.

The RXEF017-2 is a user-friendly safety switch with a built-in automatic reset feature. It is easy to install and comes with a variety of safety features to protect from overcurrent conditions. This resettable fuse has a high breaking capacity that ensures safety and reliable performance in various applications.

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