| Image | Manufacturer | Part Number | Description |
 | ON Semiconductor | NE521NG | Comparator Dual ±5.25V 14-Pin PDIP Rail |
 | National Semiconductor | LM319N/NOPB | Comparator Dual ±18V/36V 14-Pin PDIP Rail |
 | National Semiconductor | LM319N | Comparator Dual ±18V/36V 14-Pin PDIP Rail |
 | Fairchild Semiconductor | LM319N | Comparator Dual ±15V/30V 14-Pin PDIP W Rail |
 | National Semiconductor | LM393N/NOPB | Comparator Dual ±18V/36V 8-Pin PDIP Rail |
 | National Semiconductor | LM393N | Comparator Dual ±18V/36V 8-Pin PDIP Rail |
 | National Semiconductor | LM339N | Comparator Quad ±18V/36V 14-Pin PDIP Rail |
 | National Semiconductor | LM339N/NOPB | Comparator Quad ±18V/36V 14-Pin PDIP Rail |
 | National Semiconductor | LM2903N | Comparator Dual ±18V/36V 8-Pin PDIP Rail |
 | Fairchild Semiconductor | LM293AN | Comparator Dual ±18V/36V 8-Pin PDIP W Rail |
 | National Semiconductor | LM2903N/NOPB | Comparator Dual ±18V/36V 8-Pin PDIP Rail |
 | Fairchild Semiconductor | LM2903N | Comparator Dual ±18V/36V 8-Pin PDIP W Rail |
 | Fairchild Semiconductor | LM393AN | Comparator Dual ±18V/36V 8-Pin PDIP W Rail |
 | Fairchild Semiconductor | LM393N | Comparator Dual ±18V/36V 8-Pin PDIP W Rail |
 | ON Semiconductor | LM2903NG | Comparator Dual ±18V/36V 8-Pin PDIP Rail |
 | ON Semiconductor | LM393NG | Comparator Dual ±18V/36V 8-Pin PDIP Rail |
 | National Semiconductor | LM2901N/NOPB | Comparator Quad ±18V/36V 14-Pin PDIP Rail |
 | ON Semiconductor | LM2901VNG | Comparator Quad ±18V/36V 14-Pin PDIP Rail |
 | ON Semiconductor | LM2901NG | Comparator Quad ±18V/36V 14-Pin PDIP Rail |
 | ON Semiconductor | LM339NG | Comparator Quad ±18V/36V 14-Pin PDIP Rail |
 | National Semiconductor | 8601401CA | Comparator Dual ±18V/36V 14-Pin CDIP Rail |
 | National Semiconductor | LM319M/NOPB | Comparator Dual ±18V/36V 14-Pin SOIC N Rail |
 | National Semiconductor | LM319AM | Comparator Dual ±18V/36V 14-Pin SOIC N Rail |
 | National Semiconductor | LM119J/883 | Comparator Dual ±18V/36V 14-Pin CDIP Rail |
 | National Semiconductor | LM319AM/NOPB | Comparator Dual ±18V/36V 14-Pin SOIC N Rail |