LS844-SOT-23-6L-TR LS844-TO-71-6L-BK LS845 SOIC 8L LS845 SOT-23 3L LS845 SOT-23 6L LS845 TO-71 6L LS845 TO-71 6L ROHS LS845 TO-78 6L LS846 SOT-23 3L LS846 SOT-23 3L ROHS