Part Number: 12F20B (No description) Part Number: 12F20BBNRR (Vishay ir) Part Number: 12F20C3 (No description) Part Number: 12F20C3HF3 (To-220) Part Number: 12F20M (Do-4) Part Number: 12F20MPBF (No description) Part Number: 12F20PBF (No description) Part Number: 12F20R (--> no min <--------------------) Part Number: 12F20R0TR (Ne) Part Number: 12F20R0TRF (Nic) Part Number: 12F2101-18 (Cover) Part Number: 12F2101-21 (Panel) Part Number: 12F2101-25 (Cover) Part Number: 12F2101-29 (Cover)