| 2SA1814 | Sanyo | High-Gain High-VEBO Transistors |
| 2SA1815 | Sanyo | High-Frequency Transistors |
| 2SA1816 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA1823 | Sanyo | Low-Saturation Voltage Transistors |
| 2SA1824 | Sanyo | Low-Saturation Voltage Transistors |
| 2SA1825 | Sanyo | Low-Saturation Voltage Transistors |
| 2SA1826 | Sanyo | Low-Saturation Voltage Transistors |
| 2SA1827 | Sanyo | Low-Saturation Voltage Transistors |
| 2SA1828 | Sanyo | General-Purpose Transistors |
| 2SA1829 | Sanyo | General-Purpose Transistors |
| 2SA1830 | Sanyo | General-Purpose Transistors |
| 2SA1836 | NEC | PNP transistor |
| 2SA1838 | Sanyo | High-Gain High-VEBO Transistors |
| 2SA1839 | Sanyo | High-Gain High-VEBO Transistors |
| 2SA1840 | NEC | Silicon power transistor |
| 2SA1841 | NEC | Silicon power transistor |
| 2SA1843 | NEC | Silicon power transistor |
| 2SA1845 | NEC | Silicon power transistor |
| 2SA1847 | NEC | PNP epitaxial type silicon transistor |
| 2SA1848 | Sanyo | Video Output Transistors |