PTTC - Our Innovation. Your Protection Our Passion. Your Satisfaction.

Polytronics Technology Corp. is the leading circuit protection solution provider in the world. Started 25 ago from Hsinchu Science Park in Taiwan, we’ve been providing the most cutting-edge surface mount polymeric PTC (PPTC) to worldwide first-tier customers, with our patented structure and material formulation.
Thought these years, we’ve now evolved from a single component supplier to a total circuit protection provider. Integrating various over-current, over-voltage, and thermal management components,
In 2024 Polytronics has launched various new rating of PPTC devices, 60A and 5A three-terminal fuse for energy storage or ultra-portable batteries, 150A one-time square fuse for AI servers, and low-capacitance ESD diodes for >10G I/O ports.