| 121321 | 4N36.300W | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121322 | 4N36.3S | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121323 | 4N36.3SD | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121324 | 4N36.S | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121325 | 4N36.SD | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121326 | 4N36.W | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121327 | 4N36300 | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121328 | 4N36300W | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121329 | 4N363S | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121330 | 4N363SD | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121331 | 4N36FM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121332 | 4N36FR2M | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121333 | 4N36FR2VM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121334 | 4N36FVM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121335 | 4N36M | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121336 | 4N36S | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121337 | 4N36SD | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121338 | 4N36SHORT | PHOTO TRANSISTOR (AC LINE/DIGITAL LOGIC ISOLATOR) | TOSHIBA |
| 121339 | 4N36SM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
|
| 121340 | 4N36SR2 | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121341 | 4N36SR2M | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121342 | 4N36SR2V | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121343 | 4N36SR2VM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121344 | 4N36SV | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121345 | 4N36SVM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121346 | 4N36T | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121347 | 4N36TM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121348 | 4N36TV | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121349 | 4N36TVM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121350 | 4N36V | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121351 | 4N36VM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121352 | 4N36W | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121353 | 4N37 | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121354 | 4N37 | STANDARD THRU HOLE CASE 730A-04 | Motorola |
| 121355 | 4N37 | PHOTOTRANSISTOR OPTOCOULERS | QT Optoelectronics |
| 121356 | 4N37 | Optoelectronic coupling element (Optocoupler) | TELEFUNKEN |
| 121357 | 4N37 | Optocoupler 6-PDIP | Texas Instruments |
| 121358 | 4N37 | PHOTO TRANSISTOR (AC LINE/DIGITAL LOGIC ISOLATOR) | TOSHIBA |
| 121359 | 4N37 | Optocoupler, Phototransistor Output, With Base Connection | Vishay |
| 121360 | 4N37(SHORT) | Photocoupler GaAs IRed & Photo .Transistor | TOSHIBA |
