| 103641 | 2SD1221 | Transistor Silicon NPN Diffused Type (PCT process) Audio Frequency Power Amplifier Application | TOSHIBA |
| 103642 | 2SD1222 | Transistor Silicon NPN Epitaxial Type (PCT process) (darlington) Switching Applications Hammer Drive, Pulse Motor Drive Applications Power Amplifier Applications | TOSHIBA |
| 103643 | 2SD1223 | Transistor Silicon NPN Epitaxial Type (PCT process) (darlington) Switching Applications Hammer Drive, Pulse Motor Drive Applications Power Amplifier Applications | TOSHIBA |
| 103644 | 2SD1224 | Transistor Silicon NPN Epitaxial Type (PCT process) (darlington) Pulse Motor Drive, Hammer Drive Applications Switching Applications Power Amplifier Applications | TOSHIBA |
| 103645 | 2SD1225 | 2SD1225 | ROHM |
| 103646 | 2SD1226 | Medium Power Amp. Epitaxial Planar NPN Silicon Transistors | ROHM |
| 103647 | 2SD1226M | Medium Power Amp. Epitaxial Planar NPN Silicon Transistors | ROHM |
| 103648 | 2SD1227M | Medium Power Transistor 32V/ 2A | ROHM |
| 103649 | 2SD1228 | 2SD1228 | ROHM |
| 103650 | 2SD1229 | NPN Epitaxial Planar Silicon Darlington Transistors Driver Applications | SANYO |
| 103651 | 2SD1229 | Silicon NPN Power Transistors TO-3PN package | Savantic |
| 103652 | 2SD1230 | NPN Epitaxial Planar Silicon Darlington Transistors Driver Applications | SANYO |
| 103653 | 2SD1235 | NPN Epitaxial Planar Silicon Transistors 30V/8A High-Speed Switching Applications | SANYO |
| 103654 | 2SD1235 | Silicon NPN Power Transistors TO-220C package | Savantic |
| 103655 | 2SD1236L | NPN Epitaxial Planar Silicon Transistors 80V/5A Switching Applications | SANYO |
| 103656 | 2SD1236L | Silicon NPN Power Transistors TO-220C package | Savantic |
| 103657 | 2SD1237L | NPN Epitaxial Planar Silicon Transistors 80V/7A Switching Applications | SANYO |
| 103658 | 2SD1237L | Silicon NPN Power Transistors TO-220C package | Savantic |
| 103659 | 2SD1238L | NPN Epitaxial Planar Silicon Transistors 80V/12A Switching Applications | SANYO |
|
| 103660 | 2SD1238L | Silicon NPN Power Transistors TO-3PN package | Savantic |
| 103661 | 2SD1243 | Silicon NPN Power Transistors TO-3PN package | Savantic |
| 103662 | 2SD1244 | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires | Panasonic |
| 103663 | 2SD1245 | SI NPN TRIPLE DIFFUSED PLANAR DARLINGTON | Panasonic |
| 103664 | 2SD1246 | High-current Switching | ON Semiconductor |
| 103665 | 2SD1246 | NPN Epitaxial Planar Silicon Transistors Large-Current Driving Applications | SANYO |
| 103666 | 2SD1247 | High Current Switching Transistor | ON Semiconductor |
| 103667 | 2SD1247 | NPN Epitaxial Planar Silicon Transistors Large-Current Driving Applications | SANYO |
| 103668 | 2SD1249 | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103669 | 2SD1249A | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103670 | 2SD124AH | Silicon NPN Diffused Junction Transistor, High Power Switching | Hitachi Semiconductor |
| 103671 | 2SD1250 | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103672 | 2SD1250A | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103673 | 2SD1251 | Silicon NPN triple diffusion junction type(For power amplification) | Panasonic |
| 103674 | 2SD1251A | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103675 | 2SD1252 | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103676 | 2SD1252A | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103677 | 2SD1253 | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103678 | 2SD1253A | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103679 | 2SD1254 | Power Device - Power Transistors - General-Purpose power amplification | Panasonic |
| 103680 | 2SD1255 | Silicon PNP epitaxial planar type(For power switching) | Panasonic |
