ceramic housing for semiconductor, thyristor and diode, passed ISO9001 ISO14001 OHSAS 18001. Export to Germany, ... in the rapidly changing world like today, our priority and commitment to product quality have been steadfastly maintained.Main material ... and copper: ≤0.5 mmPull test: ≥5Kn/cm2Temperature cycling:-65°-200°,5 circlesNickel plating thickness:2-7um Ceramic Packages for Power semiconductor ...