COP499 Integrated Circuit - Standard Case - National Semiconductor - NSC

LM3053 Integrated Circuit - Standard Case - National Semiconductor - NSC

DS8641 Integrated Circuit - Standard Case - National Semiconductor - NSC

4529BMJ Integrated Circuit - Standard Case - National Semiconductor - NSC

DS8640 Integrated Circuit - Standard Case - National Semiconductor - NSC

LM2576 Integrated Circuit - Standard Case - National Semiconductor - NSC

DP8341 Integrated Circuit - Standard Case - National Semiconductor - NSC

LM1972N Integrated Circuit - DIP20 - National Semiconductor - NSC