The JK30-700 is a type of Polymeric Positive Temperature Coefficient (PPTC) Resettable Fuses Through Hole RoHS manufactured by Jinrui Electronic Materials. It is designed so that it can provide overcurrent protection and resettable protection for a variety of applications. It has a compact package size which can help save board space and reduce the chances of short-circuit. The PTC resettable fuse also has a low power consumption and a wide operating temperature range which makes it suitable for use in various environments. It conforms to the RoHS Directive 2002/95/EC and is non-toxic and non-polluting in nature. The JK30-700 is used for board-level protection, short-circuit protection, and overcurrent protection in applications such as power supplies, communication equipment, consumer electronics, and more.