| 121161 | 4N28S-TA | GENERAL PURPOSE TYPE PHOTOCOUPLER | Lite-On Technology Corporation |
| 121162 | 4N28S-TA1 | GENERAL PURPOSE TYPE PHOTOCOUPLER | Lite-On Technology Corporation |
| 121163 | 4N28S-V | GENERAL PURPOSE TYPE PHOTOCOUPLER | Lite-On Technology Corporation |
| 121164 | 4N28SD | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121165 | 4N28SHORT | PHOTO TRANSISTOR (AC LINE/DIGITAL LOGIC ISOLATOR) | TOSHIBA |
| 121166 | 4N28SM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121167 | 4N28SR2 | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121168 | 4N28SR2M | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121169 | 4N28SR2V | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121170 | 4N28SR2VM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121171 | 4N28STA-V | GENERAL PURPOSE TYPE PHOTOCOUPLER | Lite-On Technology Corporation |
| 121172 | 4N28STA1-V | GENERAL PURPOSE TYPE PHOTOCOUPLER | Lite-On Technology Corporation |
| 121173 | 4N28SV | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121174 | 4N28SVM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121175 | 4N28T | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121176 | 4N28TM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121177 | 4N28TV | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
| 121178 | 4N28TVM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121179 | 4N28V | GENERAL PURPOSE 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS | Fairchild Semiconductor |
|
| 121180 | 4N28VM | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121181 | 4N28W | 6-Pin DIP Package Phototransistor Output Optocoupler | Fairchild Semiconductor |
| 121182 | 4N29 | GENERAL PURPOSE 6-PIN PHOTODARLINGTON OPTOCOUPLERS | Fairchild Semiconductor |
| 121183 | 4N29 | STANDARD THRU HOLE CASE 730A-04 | Motorola |
| 121184 | 4N29 | GENERAL PURPOSE 6-PIN PHOTODARLINGTON OPTOCOUPLERS | QT Optoelectronics |
| 121185 | 4N29 | Photocouplers - Transistor Output | TOSHIBA |
| 121186 | 4N29(SHORT) | PHOTOCOUPLER GaAs IRED & PHOTO-TRANSISTOR | TOSHIBA |
| 121187 | 4N29300 | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121188 | 4N29300W | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121189 | 4N293S | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121190 | 4N293SD | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121191 | 4N29A | PHOTO TRANSISTOR (AC LINE/DIGITAL LOGIC ISOLATOR) | TOSHIBA |
| 121192 | 4N29A(SHORT) | PHOTOCOUPLER GaAs IRED & PHOTO-TRANSISTOR | TOSHIBA |
| 121193 | 4N29M | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121194 | 4N29S | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121195 | 4N29SD | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121196 | 4N29W | 6-Pin DIP Photodarlington Output Optocoupler | Fairchild Semiconductor |
| 121197 | 4N30 | GENERAL PURPOSE 6-PIN PHOTODARLINGTON OPTOCOUPLERS | Fairchild Semiconductor |
| 121198 | 4N30 | STANDARD THRU HOLE CASE 730A-04 | Motorola |
| 121199 | 4N30 | GENERAL PURPOSE 6-PIN PHOTODARLINGTON OPTOCOUPLERS | QT Optoelectronics |
| 121200 | 4N30 | PHOTO TRANSISTOR (AC LINE/DIGITAL LOGIC ISOLATOR) | TOSHIBA |
