| 2SA1767 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA1768 | Sanyo | General-Purpose Transistors |
| 2SA1770 | Sanyo | General-Purpose Transistors |
| 2SA1772 | Sanyo | General-Purpose Transistors |
| 2SA1773 | Sanyo | General-Purpose Transistors |
| 2SA1774 | ON Semiconductor | PNP Silicon General Purpose Amplifier Transistor |
| 2SA1774T1 | ON Semiconductor | PNP Silicon General Purpose Amplifier Transistor |
| 2SA1778 | Sanyo | High-Frequency Transistors |
| 2SA1784 | Sanyo | General-Purpose Transistors |
| 2SA1785 | Sanyo | General-Purpose Transistors |
| 2SA1786 | Sanyo | General-Purpose Transistors |
| 2SA1787 | Sanyo | General-Purpose Transistors |
| 2SA1790 | Panasonic | Small-signal device - Small-signal transistor - High-Frequency Amplifiers and Others |
| 2SA1790J | Panasonic | Small-signal device - Small-signal transistor - High-Frequency Amplifiers and Others |
| 2SA1791 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA1791J | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA1798 | Sanyo | Low-Saturation Voltage Transistors |
| 2SA1806 | Panasonic | Small-signal device - Small-signal transistor - High-Speed Switch·VCO and High Freq. |
| 2SA1806J | Panasonic | Small-signal device - Small-signal transistor - High-Speed Switch·VCO and High Freq. |
| 2SA1813 | Sanyo | High-Gain High-VEBO Transistors |