RXEF017H

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A PTC Resettable Fuse, or PRF, is a device that automatically switches off power in the event of a fault or overload. RXEF017H is a specific model of PTC Resettable Fuse. It is a surface mount, polymeric device designed to protect circuits from current surges or overloads. The device is capable of quickly switching off power when it detects a fault or current overload, while providing a low resistance path to rapidly dissipate the fault current.

RXEF017H PTC resettable fuses use polymer technology to protect sensitive circuits from transient overvoltage and current surge damage. The device has a molded-in thermal fuse to protect the fuse from fail less over energization. As a result, RXEF017H\'s performance is up to several times better than that of traditional overcurrent protection components, such as ceramic fuses.

The RXEF017H polymeric positive temperature coefficient (PPTC) protection device is a low-voltage, high-current resettable, surface-mount, two-terminal device that operates over a wide voltage range. The device is characterized by a low resistance, which allows it to quickly dissipate electric current and reduce the risk of fire and explosion. The device is also designed to maintain electrical isolation between different circuits, while preventing the current travel between them.

The operating principle underlying the RXEF017H PTC Resettable Fuse is based on the temperature-sensitive property of a thermally conductive substrate. The device is fabricated using a substrate that exhibits a predictable resistance value versus temperature increase. When a current surge is detected, the resistance of the substrate rapidly increases, causing an increase in temperature. The fuse then automatically cuts off the power supply to the affected device. The fuse can only be reset when the temperature has lowered back to a safe level, usually 10% below the tripping point.

RXEF017H has a wide range of applications. It is suitable for applications such as low-voltage power supplies, automotive, and peripheral devices, including heads, phones, keyboards, wands, speakers, cameras, and television circuits. The device is also suitable for the protection of microprocessors and peripherals, along with telecom and data processing equipment.

The RXEF017H PTC Resettable Fuse is also used in the protection of contactless payments and point-of-sale systems, such as those used in the payment terminals of banks and stores. Furthermore, the device is also used in various industrial applications, such as uninterruptable power supplies, process control systems, and motor control equipment.

RXEF017H PTC Resettable Fuse is a reliable, cost-effective solution for protecting sensitive circuits and components from overloads. It is designed to switch off power automatically when a fault or overload is detected, while maintaining electrical isolation between circuits. The device is suitable for a wide range of applications, including automotive, telecom, industrial control, and point-of-sale systems.

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