| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
| OP505W | TT | Photo Transistor, | |
 | SD1440-004 | Honeywell | Photo Transistor |
 | SD5491-003 | Honeywell | Photo Transistor |
 | SD1410-004 | Honeywell | Photo Darlington, |
| OP506W | TT | Photo Transistor, 930nm | |
| PT91-21C/TR7 | Everlight | Photo Transistor, 940nm, ROHS COMPLIANT, MINIATURE, PLASTIC, SMD, 2 PIN | |
| OP599C | TT | Photo Transistor, 0.05A I(C) | |
| OP508FA | TT | Photo Transistor, 875nm | |
 | PT908-7C-F | Everlight | Photo Transistor, 940nm, ROHS COMPLIANT, PLASTIC PACKAGE-2 |
| OP506C | TT | Photo Transistor, 930nm | |
 | SDP8406-004 | Honeywell | Photo Transistor |
 | SD1410-002L | Honeywell | Photo Darlington |
 | SD1410-002 | Honeywell | Photo Darlington |
| PT17-21C/L41/TR8 | Everlight | Photo Transistor, 940nm, 0.02A I(C), ROHS COMPLIANT, MINIATURE, SMD, 2 PIN | |
 | OP604TX | TT | Photo Transistor, 890nm, HERMETIC SEALED, PILL PACKAGE-2 |
| OP804TX | TT | Photo Transistor, 890nm, HERMETIC, TO-18,3 PIN | |
 | SDP8405-015 | Honeywell | Photo Transistor |
 | SD1410-001L | Honeywell | Photo Darlington, |
| PT26-21C/TR8 | Everlight | Photo Transistor, 940nm, 0.02A I(C), ROHS COMPLIANT, MINIATURE, SMD, 2 PIN | |
 | SDP8405-012 | Honeywell | Photo Transistor |