| 121361 | 4N37-M | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121362 | 4N37-X006 | Optocouplers | Vishay |
| 121363 | 4N37-X009 | Optocouplers | Vishay |
| 121364 | 4N37.300 | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121365 | 4N37.300W | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121366 | 4N37.3S | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121367 | 4N37.3SD | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121368 | 4N37.S | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121369 | 4N37.SD | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121370 | 4N37.W | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121371 | 4N37300 | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121372 | 4N37300W | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121373 | 4N373S | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121374 | 4N373SD | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121375 | 4N37FM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121376 | 4N37FR2M | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121377 | 4N37FR2VM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121378 | 4N37FVM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121379 | 4N37M | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
|
| 121380 | 4N37S | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121381 | 4N37SD | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121382 | 4N37SHORT | PHOTO TRANSISTOR (AC LINE/DIGITAL LOGIC ISOLATOR) | TOSHIBA |
| 121383 | 4N37SM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121384 | 4N37SR2 | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121385 | 4N37SR2M | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121386 | 4N37SR2V | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121387 | 4N37SR2VM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121388 | 4N37SV | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121389 | 4N37SVM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121390 | 4N37T | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121391 | 4N37TM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121392 | 4N37TV | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121393 | 4N37TVM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121394 | 4N37V | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121395 | 4N37VM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121396 | 4N37W | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121397 | 4N38 | HIGH VOLTAGE PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121398 | 4N38 | STANDARD THRU HOLE CASE 730A-04 | Motorola |
| 121399 | 4N38 | Photocouplers - Transistor Output | TOSHIBA |
| 121400 | 4N38 | Optocoupler, Phototransistor Output, With Base Connection | Vishay |
