| OP520DA | PHOTODARLINGTON NPN BLK 1206 SMD | TT Electronics/Optek Technology | - | Click to view |
| OP521DA | PHOTODARLINGTON NPN CLR 1206 SMD | TT Electronics/Optek Technology | - | Click to view |
| OP525 | PHOTOTRANSISTOR NPN CLR 1210 SMD | TT Electronics/Optek Technology | - | Click to view |
| OP525DA | PHOTODARLINGTON NPN CLR 1210 SMD | TT Electronics/Optek Technology | - | Click to view |
| OP535C | PHOTODARLINGTON SILICON NPN T-1 | TT Electronics/Optek Technology | * | Click to view |
| OP535B | PHOTODARLINGTON SILICON NPN T-1 | TT Electronics/Optek Technology | * | Click to view |
| OP535A | PHOTODARLINGTON SILICON NPN T-1 | TT Electronics/Optek Technology | * | Click to view |
| OP555D | PHOTOTRNS NPN PLASTIC SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP555C | PHOTOTRANS SILICN NPN SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP555A | PHOTOTRANS SILICON NPN SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP555B | PHOTOTRNS NPN PLASTIC SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP572 | PHOTOTRANSISTOR NPN 935NM YOKE | TT Electronics/Optek Technology | * | Click to view |
| OP793D | PHOTOTRANS NPN W/RESISTOR TO-18 | TT Electronics/Optek Technology | * | Click to view |
| OP793C | PHOTOTRANS NPN W/RESISTOR TO-18 | TT Electronics/Optek Technology | * | Click to view |
| OP793B | PHOTOTRANS NPN W/RESISTOR TO-18 | TT Electronics/Optek Technology | * | Click to view |
| OP793A | PHOTOTRANS NPN W/RESISTOR TO-18 | TT Electronics/Optek Technology | * | Click to view |
| OP593C | PHOTOTRNS PLSTIC SILCN NPN TO-18 | TT Electronics/Optek Technology | * | Click to view |
| OP593A | PHOTOTRANSISTOR NPN 890NM TO-18 | TT Electronics/Optek Technology | * | Click to view |
| OP593B | PHOTOTRNS PLSTIC SILCN NPN TO-18 | TT Electronics/Optek Technology | * | Click to view |
| OP599D | PHOTOTRNS PLSTC SILCN NPN T1 3/4 | TT Electronics/Optek Technology | * | Click to view |
| OP599C | PHOTOTRNS PLSTIC SILCN NPN T13/4 | TT Electronics/Optek Technology | * | Click to view |
| OP599B | PHOTOTRNS PLSTIC SILCN NPN T13/4 | TT Electronics/Optek Technology | * | Click to view |
| OP599A | PHOTOTRANSISTOR 5MM NPN 890NM | TT Electronics/Optek Technology | * | Click to view |
| OP642SL | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP603TXV | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP602TXV | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP602TX | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP600A | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP600C | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP600B | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP604TXV | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP604TX | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP603TX | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP604S | PHOTOTRNS SILCN NPN HERMETC PILL | TT Electronics/Optek Technology | * | Click to view |
| OP644SL | PHOTOTRANSIST NPN 890NM PILL PAK | TT Electronics/Optek Technology | * | Click to view |
| OP643SL | PHOTOTRNS SILICN NPN HERMET PILL | TT Electronics/Optek Technology | * | Click to view |
| OP770D | PHOTOTRNS NPN W/Capacitors SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP770C | PHOTOTRNS NPN W/Capacitors SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP770B | PHOTOTRNS NPN W/Capacitors SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP750C | PHOTOTRNS NPN W/Resistors SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP750D | PHOTOTRNS NPN W/Resistors SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP750A | PHOTOTRNS NPN W/Resistors SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
| OP750B | PHOTOTRNS NPN W/Resistors SIDE LOOK | TT Electronics/Optek Technology | * | Click to view |
