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