| 2S2M | NEC | Thyristor |
| 2S4M | NEC | Thyristor |
| 2SA0683 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA0684 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA0719 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA0720 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA0720A | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA0777 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA0794 | Panasonic | Power Device - Power Transistors - Others |
| 2SA0794A | Panasonic | Power Device - Power Transistors - Others |
| 2SA0838 | Panasonic | Small-signal device - Small-signal transistor - High-Frequency Amplifiers and Others |
| 2SA0879 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA0885 | Panasonic | Power Device - Power Transistors - Others |
| 2SA0886 | Panasonic | Power Device - Power Transistors - Others |
| 2SA0900 | Panasonic | Power Device - Power Transistors - Others |
| 2SA0914 | Panasonic | Power Device - Power Transistors - Others |
| 2SA0921 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA0963 | Panasonic | Power Device - Power Transistors - Others |
| 2SA1006B | NEC | Silicon transistor |
| 2SA1008 | NEC | Silicon transistor |
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