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