TE Connectivity Products Industries & Solutions Resources Sign In PRODUCTS Circuit Protection Overcurrent Devices Overtemperature Devices Overvoltage Devices Overvoltage/Overcurrent Devices View All Circuit Protection (1,394) PROTECTION AGAINST FAULTS Since our first sale of polymeric positive temperature technology (PPTC) devices in 1980, we have been developing products that prevent damage from electrical faults. To provide you with wider voltage, current, and temperature protection, we expanded our PolySwitch family of products in a variety of form factors, giving you the protection to make your world safer and your electronics more reliable. Our products can protect an array of your applications, including cellphones, tablets, vehicles, home appliances, and LED lighting fixtures. FEATURED CIRCUIT PROTECTION SOLUTIONS PRODUCT GROUP METAL HYBRID PROTECTION Our MHP-TA devices use bimetal and PPTC technology to help provide resettable overtemperature protection. PRODUCT GROUP REFLOWABLE THERMAL PROTECTION Reflowable Thermal Protection devices can withstand the shock, vibration, and humidity exposures within automotive and industrial applications. CIRCUIT BREAKERS Our Potter and Brumfield circuit breakers consist of thermal and magnetic types, protecting equipment across multiple application settings. PRODUCT GROUP GAS DISCHARGE TUBES Our GDT's provide overvoltage fault protection to industrial and telecom equipment. PRODUCT CATALOG Download our product catalog to view a wide range of circuit protection devices from overvoltage, overcurrent, and overtemperature to new hybrid technologies. Developed with innovation know-how you will be able to design your products with smarter protection. PRODUCT GROUP SURFACE MOUNT DEVICES PolySwitch surface-mount devices help you save board space and costs, while allowing you to maintain high-level performance and flexibility. PRODUCT GROUP RADIAL-LEADED DEVICES PolySwitch radial-leaded devices provide engineers design flexibility and voltage ratings up to 240V allowing use in electronic and computer applications. VIDEO CHOOSING THE RIGHT POLYSWITCH PPTC DEVICE Barry Brents from Circuit Protection provides insights on common questions asked by designers, such as how to choose the right PolySwitch device that will best help protect your specific applications. QUICK REFERENCE GUIDE Protect with the right solution. Download our quick reference guide to see our range of products. PRODUCT OVERVIEW Download circuit protection product overview. Learn about which products will protect your application and its functions. GUIDE TO POLYSWITCH DEVICES Download our guide on protecting your circuits. Learn about the performance of our products. About TE Connectivity Our Company Events TE News Center Careers Investors Corporate Responsibility Terms and Conditions of Sale For Partners Distributors Suppliers Customer Support Call Email Find Authorized Distributors What’s New on TE.com Share Feedback CALL US Â LIVE CHAT United States © 2016 TE Connectivity Ltd. family of companies. All Rights Reserved Terms of Use Privacy Cookie Policy Accessibility Site Map