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Some of KTY82 resistance change smaller after mass production

Question asked by Hanson He Employee on Mar 21, 2017
Latest reply on Mar 26, 2017 by Tomas Vaverka


We have customer buy 20Kpcs KTY82, and about 4Kpcs have the abnormal resistance value, about 0.2ko in 25 degree temperature, and other normal resistance value is about 0.99o in 25 degree temperature. Customer buy this device in 2015, after two years, they have tested these abnormal resistance in prototype design, but after product production, its value change to smaller than before, what make this change? could you help for it? Thanks.