RUEF110-1

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PTC Resettable Fuses, otherwise known as polyfuses, are a self-resetting electronic device which acts as a fail-safe in a circuit. The RUEF110-1 is no exception here. This particular polyfuse is designed to limit the current in an electronic circuit in the event of a power surge or some other issue caused by over-current.

The RUEF110-1 has a well-made contact system which is much more resilient against overloads compared to more traditional fuses. This features a thermally responsive element—two contact strips connected to an insulating plastic base. These contact strips are connected to contacts on either end of the device.

When the resistance of the polyfuse contacts is exceeded, the base of the contact strips gets hot and starts to expand. This expansion results in contact points at both ends of the polyfuse touching. An electrical path is then formed, and its thermosetting plastic discates, creating a ‘hard’ break to protect the circuit.

This hard break will remain until the device is cooled to a comfortable temperature again. This happens slowly at first, but as soon as it has cooled to a certain point where the contact strips are not in thermal equilibrium with the base material, the plastic has a physical reset allowing the repeat of the thermosetting discation process.

It is also important to note that the resistance of the RUEF110-1 increases as the device continues to heat up. This is an important part of the design as it allows the device to keep currents low without damaging the device or increasing the voltage. This is very important when used in circuits which use high-power surges.

The RUEF110-1 has a wide range of applications. Thanks to its ability to dissipate high-power surges and reset itself, it can be used in a variety of electronic devices, including consumer and industrial equipment. It is especially useful in industrial setups, where it can be used to keep high currents from damaging delicate components.

The RUEF110-1 is a powerful and versatile polyfuse. Its robust design is ideal for a variety of applications, as it can easily dissipate large currents without damaging its components. Its self-resetting ability is also useful in situations where the device needs to remain functional despite power surges.

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