| 121241 | 4N32W | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121242 | 4N33 | GENERAL PURPOSE 6-PIN PHOTODARLINGTON OPTOCOUPLERS | Fairchild Semiconductor |
| 121243 | 4N33 | STANDARD THRU HOLE CASE 730A-04 | Motorola |
| 121244 | 4N33 | GENERAL PURPOSE 6-PIN PHOTODARLINGTON OPTOCOUPLERS | QT Optoelectronics |
| 121245 | 4N33 | PHOTODARLINGTON OPTOCOUPLER | Siemens |
| 121246 | 4N33 | Optoelectronic coupling element (Optocoupler) | TELEFUNKEN |
| 121247 | 4N33 | PHOTO TRANSISTOR (AC LINE/DIGITAL LOGIC ISOLATOR) | TOSHIBA |
| 121248 | 4N33 | Optocoupler, Photodarlington Output, High Gain, With Base Connection | Vishay |
| 121249 | 4N33(SHORT) | PHOTOCOUPLER GaAs IRED & PHOTO-TRANSISTOR | TOSHIBA |
| 121250 | 4N33-X007 | Optocouplers | Vishay |
| 121251 | 4N33-X009 | Optocouplers | Vishay |
| 121252 | 4N33300 | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121253 | 4N33300W | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121254 | 4N333S | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121255 | 4N333SD | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121256 | 4N33M | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121257 | 4N33S | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121258 | 4N33SD | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121259 | 4N33W | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
|
| 121260 | 4N35 | 4N35 · General Purpose Phototransistor Optocoupler | Agilent (Hewlett-Packard) |
| 121261 | 4N35 | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121262 | 4N35 | STANDARD THRU HOLE CASE 730A-04 | Motorola |
| 121263 | 4N35 | PHOTOTRANSISTOR OPTOCOULERS | QT Optoelectronics |
| 121264 | 4N35 | Optoelectronic coupling element (Optocoupler) | TELEFUNKEN |
| 121265 | 4N35 | Optocoupler 6-PDIP | Texas Instruments |
| 121266 | 4N35 | Photocouplers - Transistor Output | TOSHIBA |
| 121267 | 4N35 | Optocoupler, Phototransistor Output, With Base Connection | Vishay |
| 121268 | 4N35(SHORT) | Photocoupler GaAs IRed & Photo .Transistor | TOSHIBA |
| 121269 | 4N35-000E | 4N35-000E · Lead Free General Purpose Phototransistor Optocoupler | Agilent (Hewlett-Packard) |
| 121270 | 4N35-M | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121271 | 4N35-X006 | Optocouplers | Vishay |
| 121272 | 4N35-X007 | Optocouplers | Vishay |
| 121273 | 4N35-X009 | Optocouplers | Vishay |
| 121274 | 4N35.300 | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121275 | 4N35.300W | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121276 | 4N35.3S | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121277 | 4N35.3SD | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121278 | 4N35.S | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121279 | 4N35.SD | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121280 | 4N35.W | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
