| Manufacturer | Part Number | Description |
|---|---|---|
| ETC Unknown Manufacturer | KT940A | KT940A / KT940B |
| ETC Unknown Manufacturer | KT940B | KT940A / KT940B |
| ETC Unknown Manufacturer | KT940 | TPAH3HCTOPBL KPEMHNEBBLE ME3ANNAHAPABLE CTPYKTYPBL N-P-N YCNNNTENBHBLE |
Optek Technology |
KT940 | (KT93x - KT94x) Slotted Optical Switches Photo Integrated Circuit |