Texas Instruments NE556NSR .
Texas Instruments SE555DG4 .
Texas Instruments NE556N .
Schneider Electric 9050JCK16V17
Schneider Electric 9050JCK2F10V20
Schneider Electric 9050JCK59V14
Schneider Electric 9991UE7
Crouzet 88895201
Crouzet 88867155
Texas Instruments CD4541BM96 .