| KA224 | Fairchild Semiconductor | Quad Operational Amplifier |
| KA224D | Fairchild Semiconductor | Quad Operational Amplifier |
| KA224DTF | Fairchild Semiconductor | Quad Operational Amplifier |
| KA224A | Fairchild Semiconductor | Quad Operational Amplifier |
| KA224AD | Fairchild Semiconductor | Quad Operational Amplifier |
| KA2902 | Fairchild Semiconductor | Dual Operational Amplifier |
| KA2902D | Fairchild Semiconductor | Dual Operational Amplifier |
| KA2902DMTF | Fairchild Semiconductor | Dual Operational Amplifier |
| KA2902DTF | Fairchild Semiconductor | Dual Operational Amplifier |
| KA324 | Fairchild Semiconductor | Quad Operational Amplifier |
| KA324A | Fairchild Semiconductor | Quad Operational Amplifier |
| KA324AD | Fairchild Semiconductor | Quad Operational Amplifier |
| KA324ADTF | Fairchild Semiconductor | Quad Operational Amplifier |
| KA324D | Fairchild Semiconductor | Quad Operational Amplifier |
| KA324DTF | Fairchild Semiconductor | Quad Operational Amplifier |