RXE010S

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PTC Resettable Fuses

PTC resettable fuses are passive electronic components that employ a positive temperature coefficient (PTC) thermistor to protect circuits and devices from overdraws of current or short-circuiting. Compared to other over-current protection devices like thermal fuses and circuit breakers, PTC resettable fuses have several advantages. They can reset themselves after a period of time, are more economical, have a smaller package size, and are a great fit for a variety of applications.

The RXE010S PTC resettable fuse is a surface mount chip-type device. It fits a wide range of consumer and industrial applications, from computer peripherals to motor control designs. With a device size of just 0.45mm x 0.35mm, it can even be used in highly compact products like mobile phones, tablets, and wearable electronics.

In terms of performance, the RXE010S is rated for a maximum current of 10A, cut-off voltage of 6V, and a maximum voltage of 33V. The device utilizes a PTC element as its main component and offers very fast response times. It has a maximum time-to-trip of 0.6s at 25°C and a trip time-to-release of 2s at 25°C.

The working principle of the RXE010S is based on the PTC resettable fuse. When current flows through the PTC element, a voltage drop is produced across it. As the current draws increases, the voltage drop across the element increases, causing the element to heat up and reach a certain temperature threshold. This leads to the element conducting an increasing amount of current, thus limiting the total current within the circuit. When the surge in current passes, the PTC element cools down and returns to its normal state, automatically resetting the circuit.

The RXE010S PTC resettable fuse is an ideal choice for designs that require small package sizes, resetting capabilities, and a low-cost solution for over current protection. Its quick response time and high current rating make it a good fit for a wide range of consumer and industrial applications.

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