Teccor / Littelfuse

Teccor is now Littelfuse Teccor is the most recognized brand in telecom overvoltage circuit protection, with products that are renowned for high quality and high reliability. With the aid of patented technology and superior silicon designs, Teccor SIDACtor® and Battrax® devices can withstand high surge currents making them the most durable protection thyristors on the market today.