Yageo PPTC Resettable Fuse Products are available in SMD case sizes 0603 through 2920 and in DIP package types. Polymeric positive temperature coefficient thermistor (PPTC) is also known as a resettable fuse. It has low resistance under normal working status and no impact on the working circuit. The response speed of the PPTC ranges from a few dozen microseconds to a few seconds. It is proportional to the current value. Yageo PPTC Resettable Fuse Products feature a compact design to save board space. They are RoHS compliant, lead free, and halogen free and ideal for use in a range of applications.