| 100921 | 2SC3970A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100922 | 2SC3970A | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 100923 | 2SC3971 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100924 | 2SC3971A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100925 | 2SC3972 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100926 | 2SC3972 | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 100927 | 2SC3972A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100928 | 2SC3972A | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 100929 | 2SC3973 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100930 | 2SC3973 | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 100931 | 2SC3973A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100932 | 2SC3973A | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 100933 | 2SC3973B | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 100934 | 2SC3974 | Power Device - Power Transistors - Swicthing | Panasonic |
| 100935 | 2SC3975 | Power Device - Power Transistors - Swicthing | Panasonic |
| 100936 | 2SC3976 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100937 | 2SC3977 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100938 | 2SC3977A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100939 | 2SC3978 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
|
| 100940 | 2SC3978A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100941 | 2SC3979 | Power Device - Power Transistors - Swicthing | Panasonic |
| 100942 | 2SC3979 | Silicon NPN Power Transistors TO-220Fa package | Savantic |
| 100943 | 2SC3979A | Power Device - Power Transistors - Swicthing | Panasonic |
| 100944 | 2SC398 | Silicon NPN planar transistor, TV VHF Tuner Applications | TOSHIBA |
| 100945 | 2SC3980 | Power Device - Power Transistors - Swicthing | Panasonic |
| 100946 | 2SC3980A | Silicon NPN triple diffusion planar type | Panasonic |
| 100947 | 2SC3981 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100948 | 2SC3981A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100949 | 2SC3982 | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100950 | 2SC3982A | Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching) | Panasonic |
| 100951 | 2SC3986 | NPN Planar Silicon Darlington Transistor Driver Applications | SANYO |
| 100952 | 2SC3987 | NPN Planar Silicon Darlington Transistor Driver Applications | SANYO |
| 100953 | 2SC3988 | NPN Triple Diffused Planar Silicon Transistor 500V/25A Switching Regulator Applications | SANYO |
| 100954 | 2SC3988 | Silicon NPN Power Transistors TO-3PN package | Savantic |
| 100955 | 2SC3989 | NPN Triple Diffused Planar Silicon Transistor 500V/25A Switching Regulator Applications | SANYO |
| 100956 | 2SC399 | Silicon NPN planar transistor, TV VHF Tuner Applications | TOSHIBA |
| 100957 | 2SC3990 | NPN Triple Diffused Planar Silicon Transistor | SANYO |
| 100958 | 2SC3991 | NPN Triple Diffused Planar Silicon Transistor NPN Triple Diffused Planar Silicon Transistor | SANYO |
| 100959 | 2SC3992 | NPN Triple Diffused Planar Silicon Transistor 800V/12A Switching Regulator Applications | SANYO |
| 100960 | 2SC3993 | NPN Triple Diffused Planar Silicon Transistor 800V/16A Switching Regulator Applications | SANYO |
