| 2SA1730 | Sanyo | High-Speed Switching Transistors |
| 2SA1731 | Sanyo | High-Speed Switching Transistors |
| 2SA1732 | Sanyo | High-Speed Switching Transistors |
| 2SA1734 | ON Semiconductor | High Current PNP Transistor |
| 2SA1738 | Panasonic | Small-signal device - Small-signal transistor - High-Speed Switch·VCO and High Freq. |
| 2SA1739 | Panasonic | Small-signal device - Small-signal transistor - High-Speed Switch·VCO and High Freq. |
| 2SA1740 | Sanyo | General-Purpose Transistors |
| 2SA1741 | NEC | Silicon powor transistor |
| 2SA1742 | NEC | Silicon powor transistor |
| 2SA1743 | NEC | Silicon powor transistor |
| 2SA1744 | NEC | Silicon powor transistor |
| 2SA1745 | Sanyo | Low-Saturation Voltage Transistors |
| 2SA1748 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA1762 | Panasonic | Small-signal device - Small-signal transistor - General-use Low-Frequency Amplifires |
| 2SA1763 | Sanyo | High-Speed Switching Transistors |
| 2SA1763ECSP | Sanyo | High-Speed Switching Transistors |
| 2SA1763VSFP | Sanyo | High-Speed Switching Transistors |
| 2SA1764 | Sanyo | High-Speed Switching Transistors |
| 2SA1765 | Sanyo | High-Speed Switching Transistors |
| 2SA1766 | Sanyo | High-Gain High-VEBO Transistors |