| 2SC4002 | SANYO | NPN epitaxial planar silicon transistor, high-voltage driver application |
| 2SC4003 | SANYO | NPN epitaxial planar silicon transistor, high-voltage driver application |
| 2SC4004 | Panasonic | Silicon NPN triple diffusion planar type power transistor |
| 2SC4005 | SANYO | NPN epitaxial planar silicon transistor, driver application |
| 2SC4006 | SANYO | NPN epitaxial planar silicon transistor, driver application |
| 2SC4020 | Sanken | Transistor For Switch Mode Power Supply |
| 2SC4024 | Sanken | Transistor For Switch Mode Power Supply |
| 2SC4027 | SANYO | NPN epitaxial planar silicon transistor, high-voltage switching application |
| 2SC4029 | Mospec | 15Ampere high-power NPN silicon power transistor |
| 2SC4030 | SANYO | NPN transistor for 900V/50mA switching applications |
| 2SC4030 | SANYO | NPN transistor for 900V/50mA switching applications |
| 2SC4030 | SANYO | NPN transistor for 900V/50mA switching applications |
| 2SC4031 | SANYO | "NPN triple diffused planar silicon transistor, switching application (900V/20mA)" |
| 2SC4036 | ROHM | "NPN transistor for high gain amplifier, 210V 30mA" |
| 2SC4037 | ROHM | NPN transistor for medium power amplifier, 32V 0.5A |
| 2SC4038 | ROHM | NPN transistor for general small signal amplifier, 40V 0.1A |
| 2SC4039 | ROHM | NPN transistor for RF amplifier, 25V 50mA |
| 2SC4043S | ROHM | High-frequency amplifier transistor (11V, 50mA, 3.2GHz) |
| 2SC4046 | Hitachi | Bipolar power general purpose transistor |
| 2SC4050 | Hitachi | Small signal general purpose transistor |
| 2SC4051 | Shindengen | High-speed switching bipolar NPN transistor |
| 2SC4053 | Shindengen | High-speed switching bipolar NPN transistor |
| 2SC4054 | Shindengen | High-speed switching bipolar NPN transistor |
| 2SC4055 | Shindengen | High-speed switching bipolar NPN transistor |
| 2SC4056 | Shindengen | High-speed switching bipolar NPN transistor |
| 2SC4057 | Shindengen | High-speed switching bipolar NPN transistor |
| 2SC4058 | Shindengen | High-speed switching bipolar NPN transistor |
| 2SC4059 | Shindengen | High-speed switching bipolar NPN transistor |
| 2SC4060 | Shindengen | High-speed switching bipolar NPN transistor |
| 2SC4064 | Sanken | Transistor For General Purpose |
