| Nr. | Part Name | Description | Manufacturer by |
| 43721 | 2SC3970 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43722 | 2SC3970A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43723 | 2SC3971 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43724 | 2SC3971A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43725 | 2SC3972 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43726 | 2SC3972A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43727 | 2SC3973 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43728 | 2SC3973A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43729 | 2SC3974 | Power Device - Power Transistors - Swicthing | Panasonic |
| 43730 | 2SC3975 | Power Device - Power Transistors - Swicthing | Panasonic |
| 43731 | 2SC3976 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43732 | 2SC3977 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43733 | 2SC3977A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43734 | 2SC3978 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43735 | 2SC3978A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43736 | 2SC3979 | Power Device - Power Transistors - Swicthing | Panasonic |
| 43737 | 2SC3979A | Power Device - Power Transistors - Swicthing | Panasonic |
| 43738 | 2SC3980 | Power Device - Power Transistors - Swicthing | Panasonic |
| 43739 | 2SC3980A | Silicon NPN triple diffusion planar type | Panasonic |
| 43740 | 2SC3981 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43741 | 2SC3981A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43742 | 2SC3982 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43743 | 2SC3982A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 43744 | 2SC3986 | NPN Planar Silicon Darlington Transistor Driver Applications | SANYO |
| 43745 | 2SC3987 | NPN Planar Silicon Darlington Transistor Driver Applications | SANYO |
| 43746 | 2SC3988 | NPN Triple Diffused Planar Silicon Transistor 500V/25A Switching Regulator Applications | SANYO |
| 43747 | 2SC3989 | NPN Triple Diffused Planar Silicon Transistor 500V/25A Switching Regulator Applications | SANYO |
| 43748 | 2SC3990 | NPN Triple Diffused Planar Silicon Transistor | SANYO |
| 43749 | 2SC3991 | NPN Triple Diffused Planar Silicon Transistor NPN Triple Diffused Planar Silicon Transistor | SANYO |
| 43750 | 2SC3992 | NPN Triple Diffused Planar Silicon Transistor 800V/12A Switching Regulator Applications | SANYO |
| 43751 | 2SC3993 | NPN Triple Diffused Planar Silicon Transistor 800V/16A Switching Regulator Applications | SANYO |
| 43752 | 2SC3994 | NPN Triple Diffused Planar Silicon Transistor 800V/25A Switching Regulator Applications | SANYO |
| 43753 | 2SC3995 | Ultrahigh-Definition Display Horizontal Deflection Output Applications | SANYO |
| 43754 | 2SC3996 | Ultrahigh-Definition Display Horizontal Deflection Output Applications | SANYO |
| 43755 | 2SC3997 | Very High-Definition Color Display Horizontal Deflection Output Applications | SANYO |
| 43756 | 2SC3998 | Very High-Definition Color Display Horizontal Deflection Output Applications | SANYO |
| 43757 | 2SC4001 | NPN SILICON POWER TRANSISTOR | NEC |
| 43758 | 2SC4002 | NPN Triple Diffused Planar Silicon Transistor High-Voltage Driver Applications | SANYO |
| 43759 | 2SC4003 | NPN Triple Diffused Planar Silicon Transistor High-Voltage Driver Applications | SANYO |
| 43760 | 2SC4004 | Power Device - Power Transistors - Swicthing | Panasonic |
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