RHEF070-2

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PTC Resettable Fuses are electric devices that use polymeric Positive Temperature Coefficient (PPTC) technology to provide overcurrent protection in products ranging from low-power consumer electronics to high-power industrial equipment. The RHEF070-2 is a Compact Bi-Stable Technology Resettable Fuse specifically designed to provide overload and short-circuit protection of lithium ion battery packs, which are often used in modern portable electronics such as cell phones, laptops, and other battery powered devices.

The RHEF070-2 is a melt-pin type resettable fuse that is small, lightweight, and cost-effective. Its bi-stable technology provides fast tripping in the event of an overload or a short-circuit, ensuring safe operation of the device and protecting its contents from damage. As the bi-stable design does not require a sensor or current feedback circuit, it is a much simpler device than traditional fuses. Furthermore, the RHEF070-2 provides a highly reliable and compact form factor, making it ideal for use in consumer electronics and other applications where space and cost are critical factors.

When the RHEF070-2 resettable fuse trips due to an overload or short-circuit, the internal PTC material instantaneously melts the melt-pin and a series of spring contacts open to disconnect the circuit. When the overload or short-circuit has been cleared, the electrical power can be reapplied and the fuse will reset to its normal operational state. The RHEF070-2 resettable fuse also features a visible reset indicator, so it can be easily be checked to ensure that it is functioning correctly.

The RHEF070-2 offers superior performance compared to traditional fuses, making it one of the most reliable and cost-effective overcurrent protectors available. It is designed to protect circuits against over-charging, over-discharging, over-current and short-circuits, and can be safely used in a wide range of temperature conditions. The RHEF070-2 also features a fast tripping time of approximately 8ms, allowing it to quickly react to changes in the circuit, ensuring a high level of protection.

The RHEF070-2 resettable fuse is the perfect solution for protecting lithium ion battery packs in consumer electronic products, providing fast and reliable overcurrent protection without the need for complex circuitry. The device is compact, lightweight, and cost-effective, and offers superior performance compared to traditional fuses, making it the ideal choice for any application where overcurrent protection is required.

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