LSK489 SOIC 8L ROHS LSK489 SOT-23 6L ROHS LSK489 TO-71 6L ROHS LSK489A SOIC 8L ROHS LSK489A SOT-23 6L ROHS LSK489A TO-71 6L ROHS LSK489A-SOT-23-6L-CT LSK489A-SOT-23-6L-TR LSK489A-TO-71-6L-BK LSK489B SOIC 8L ROHS