| TN3440 - NPN Silicon | | 2SC4615, 2SD1053 | =2N3440 |
| 2SD2451 - NPN Silicon | | 2SC4614, 2SD1665A, 2SD1812, 2SD1857A | -/160V, 1,5A, 0,9W |
| 2SD2184 - NPN Silicon | | 2SC4614, 2SD1665A, 2SD1812, 2SD1857A | 150/150V, 1A, 1W, 90MHz |
| 2SD1812 - NPN Silicon | | 2SC4614, 2SD1665A, 2SD1857A | 160V, 1,5A, 0,9W, 80MHz |
| 2SC4619 - NPN Silicon | | 2SC4809, 2SC5021 | =2SC3082K |
| 2SC4619 - NPN Silicon | | 2SC4809, 2SC5021 | =2SC3082K |
| 2SC4618 - NPN Silicon | | 2SC4915, 2SC5021 | =2SC2413K |
| 2SC4618 - NPN Silicon | | 2SC4915, 2SC5021 | =2SC2413K |
| 2SC4617 - NPN Silicon | | 2SD2216 | =2SC2412 |
| 2SC4617 - NPN Silicon | | 2SD2216 | =2SC2412 |