Diotec Semiconductor，Diotec Semiconductor AG is founded in 1973 in Heitersheim, Germany. From the beginning, the company specializes in the production of diodes and rectifiers and becomes a known brand throughout Europe Diotec 二極管產品于2004年即先于業界實現了無鉛工藝，所有產品均符合ROHS標準。產品廣泛應用于 太陽能光伏發電、電源、照明、通訊設備汽車電子等方面。長期以來獲得了世界500強工業巨頭的信賴和行業內伙伴的認可。