| Компонент | Описание | Производитель | PDF | Buy |
| 2SD1990 | Silicon NPN Triple-Diffused Planar Type | List of Unclassifed Manufacturers |  |  |
| 2SD1991A | Silicon NPN epitaxial planer type | Panasonic Semiconductor | | |
| 2SD1992A | Silicon NPN epitaxial planer type | Panasonic Semiconductor | | |
| 2SD1993 | Silicon NPN epitaxial planer type(For low-frequency and low-noise amplification) | Panasonic Semiconductor | | |
| 2SD1994A | Silicon NPN epitaxial planer type(For low-frequency power amplification and driver amplification) | Panasonic Semiconductor | | |
| 2SD1994A | NPN General Purpose Transistor | SeCoS Halbleitertechnologie GmbH | | |
| 2SD1995 | Silicon NPN epitaxial planer type(For low-frequency amplification) | Panasonic Semiconductor | | |
| 2SD1996 | Silicon PNP epitaxial planer type(For low-frequency power amplification) | Panasonic Semiconductor | | |
| 2SD1996 | Silicon NPN epitaxial planer type(For low-voltage output amplification) | Panasonic Semiconductor | | |
| 2SD1997 | Compact Motor Driver Applications | Sanyo Semicon Device | | |
| 2SD1997 | NPN Epitaxial Planar Silicon Transistor | Guangdong Kexin Industrial Co.,Ltd | | |
| 2SD1998 | Compact Motor Driver Applications | Sanyo Semicon Device | | |
| 2SD1998 | NPN Epitaxial Planar Silicon Transistor | Guangdong Kexin Industrial Co.,Ltd | | |
| 2SD1999 | Compact Motor Driver Applications | Sanyo Semicon Device | | |
| 2SD1999 | NPN Epitaxial Planar Silicon Transistor | Guangdong Kexin Industrial Co.,Ltd | | |
