IT120Y220 IT121 PDIP 8L ROHS IT121 SOIC 8L ROHS IT121 TO-71 6L ROHS IT1232A-53E/BX IT124 TO-71 6L ROHS IT124 TO-78 6L ROHS IT124F IT1-252P/44-19H(03) IT1-252P/44-23H