74LS491ANS GCM28DRSN GCM15DCWD T2M-110-01-L-D-RA-WT ss-75-h-2.4-g d/c .620 oal MKP1839418134HQR SSM-102-L-DV-M-TR 387-006-558-112 ss-75-j-2.4-g d/c .620 oal T2M-109-01-L-D-SM