PN4393 LS421 SOIC 8L LSK389D TO-71 6L LSK170A SOT-23 3L LS830 TO-71 6L U440 TO-71 6L LSK389B TO-71 6L LSK170A TO-92 3L U423 TO-78 7L LS843 SOT-23 3L LS843 TO-71 6L LS843 TO-78 6L U422 TO-78 7L U421 TO-78 7L LSK389A TO-71 6L IJW120R070T1FKSA1 SD5000I S/B DIP 16L 2N4393 PBFREE UJ3N120035K3S NTE467