PTC Heater is widely applicated in warm heater as a high reliability product.Shanghai PAKE(KEDA) Thermistor Ceramics Co.,Ltd.developed and produce PTC heating elements with high withstand voltage, high tempurature coefficient and high reliability. The withstand voltage of the PTC can reach above 800V-1000V and the highest temperature coefficient can reach above 28% which assure the reliability of the products.