Uploaded July 2026 | Updated September 2026, 1 week ago
PPTC resettable fuses, featuring a self-resetting mechanism using polymer materials that protect circuits from overloads and restore normal operation once faults clear. Their advantages include reusability, automatic resetting, and compact size, making them ideal for applications like USB ports, LED lighting, motors, routers, and automotive electronics.
0:00 What is a PPTC fuse?
0:23 How a PPTC fuse works? construction and working principles
0:57 Why use PPTC fuses?
1:18 Where are they used?
PPTC resettable fuses, featuring a self-resetting mechanism using polymer materials that protect circuits from overloads and restore normal operation once faults clear. Their advantages include reusability, automatic resetting, and compact size, making them ideal for applications like USB ports, LED lighting, motors, routers, and automotive electronics.
0:00 What is a PPTC fuse?
0:23 How a PPTC fuse works? construction and working principles
0:57 Why use PPTC fuses?
1:18 Where are they used?










