| 2SC4690 | Bipolar Transistors |
| KTD998 - NPN Silicon | | 2SC4690, 2SC4886 | -/120V, 10A, 80W, 12MHz |
| 2SD1705 - NPN Silicon | | 2SC4690, BD 245D, 2SC2706, 2SC2837 | 130/80V, 10A, 70W, 20MHz |
| 2SC4690 - NPN Silicon | | 2SC4387, 2SC5101, 2SC4886, BD 245D...F | 140V, 10A, 80W, 30MHz |