KA239AD и другие
| Компонент | Описание | Производитель | |
| CA239A | Quad Voltage Comparators for Industrial, Commercial and Military Applications |
Intersil Corporation |
 |
| CA239A | Single/Quad Types Comparators |
GE Solid State |
|
| CA239AE | Single/Quad Types Comparators |
GE Solid State |
|
| CA239AF | Single/Quad Types Comparators |
GE Solid State |
|
| KA239A | Quad Comparator |
Fairchild Semiconductor |
|
| KA239AD | Quad Comparator |
Fairchild Semiconductor |
|