Standard PTC Heater Series is a kind of new large power heater without blowing wind.By fixing two metal electrodes with two leads on both side Of general PTC element and an insulated film on metal electrodes and covering a layer of metal board or ceramic board hear diffusing component,this is a kind of large power,high reliability,safety,without,wind,using in a wide range of environment temperature heater.Now it is widely used in series of small electrical heaters such as hari curler,thermos bothe,thrmos cup electrical heat plate,dryer,hand warmer 。