YFT KNI 2BI 1 19 YFT KNI 4BI 1 19 YFT-021 YFT0603R471P110 YFT-120-05-G-10-SB-K YFT-20-05-E-03-SB YFT-20-05-E-05-SB YFT-20-05-E-05-SB-K YFT-20-05-E-06-SB YFT-20-05-E-06-SB-K