Nantong Hantech is focusing on the design,Website:http://www.rectifier-diode.com, manufacture and supply high voltage diode and rectifier diode since 1975 in Jiangsu of China At present, voltage(Vrrm) of Hantech's products is available from 20V to 50kV, while the current(If) range could be from 5mA to 40A with reverse recovery time(Trr) shortening to 4nS and below. These products are widely applied in laser printers, all kinds of power supplies, automotive ignition coil, negative ion generators, air cleaners, solar junction boxes, equipments of oil dewatering, electrostatic dust removal machine, electrostatic spraying machine, X-ray machines, welding machine, LED driver, ballast, microwave ovens and other household appliances etc.