| 2SC2899 | Hitachi | Bipolar power switching transistor |
| 2SC2899 | Hitachi | NPN transistor for high speed and high voltage switching |
| 2SC2901 | NEC | NPN transistor for general purpose amplifier and high speed switching applications |
| 2SC2904 | Mitsubishi | Silicon NPN epitaxial planar type transistor |
| 2SC2905 | Mitsubishi | Silicon NPN epitaxial planar type transistor |
| 2SC2908 | Mospec | 5Ampere NPN silicon power transistor |
| 2SC2909 | SANYO | NPN epitaxial planar silicon transistor, high-voltage switching, AF 60W predriver application |
| 2SC2909 | SANYO | NPN epitaxial planar silicon transistor, high-voltage switching, AF 60W predriver application |
| 2SC2910 | SANYO | NPN epitaxial planar silicon transistor, high-voltage switching, audio 80W output predriver application |
| 2SC2910 | SANYO | NPN epitaxial planar silicon transistor, high-voltage switching, audio 80W output predriver application |
| 2SC2911 | SANYO | NPN epitaxial planar silicon transistor, 160V/140mA high-voltage switching and AF 100W predriver application |
| 2SC2921 | Sanken | Transistor For Power Amplifier |
| 2SC2921 | Mospec | 15Ampere high-power NPN silicon power transistor |
| 2SC2921 | WingShing | NPN planar silicon transistor. Audio power amplifier, DC to DC converter |
| 2SC2922 | Mospec | 17Ampere high-power NPN silicon power transistor |
| 2SC2922 | WingShing | Silicon epitaxial planar transistor. High power, high frequency, audio and general purpose |
| 2SC2922 | Sanken | Transistor For Power Amplifier |
| 2SC2925 | Panasonic | Silicon NPN epitaxial planer type small signal transistor |
| 2SC2925 | Panasonic | NPN transistor for low-frequency output amplification |
| 2SC2932 | Mitsubishi | Silicon NPN epitaxial planar type transistor |
| 2SC2933 | Mitsubishi | Silicon NPN epitaxial planar type transistor |
| 2SC2938 | Mospec | 10Ampere NPN silicon power transistor |
| 2SC2946(1) | NEC | Silicon transistor |
| 2SC2946(1) | NEC | Silicon transistor |
| 2SC2954-T1 | NEC | For amplify high frequency, low noise, and wide band. |
| 2SC2954-T2 | NEC | For amplify high frequency, low noise, and wide band. |
| 2SC2960 | SANYO | NPN transistor for high-speed switching applications |
| 2SC2960 | SANYO | NPN epitaxial planar silicon transistor, high speed switching application |
| 2SC2979 | Hitachi | Bipolar power switching transistor |
| 2SC2979 | Mospec | 3Ampere NPN silicon power transistor |
