PTC Thermistor (Positive Temperature Coeffieicient Thermistor) is a kind of oxide semiconducting ceramics which is made from barium titanate as the main materials. We manufacture high quality heaters, current limiting element, and temperature sensors, Motor Starters, Degaussing Circuits etc. Self-made formula material with independent research and development is the important guarantee of the advantage of good quality and competitive price products for MorningSun Electronics. We also produce PTC Formulated Powder. We are looking forward to hearing from you.