| 1S2837-L | NEC | Silicon switching diode |
| 1S2837-T1B | NEC | Silicon switching diode |
| 1S2837-T2B | NEC | Silicon switching diode |
| 1S2838 | NEC | Silicon switching diode |
| 1S2838-L | NEC | Silicon switching diode |
| 1S2838-T1B | NEC | Silicon switching diode |
| 1S2838-T2B | NEC | Silicon switching diode |
| 1S922 | Fairchild Semiconductor | High Conductance Fast Diode |
| 1S922TR | Fairchild Semiconductor | High Conductance Fast Diode |
| 1S923 | Fairchild Semiconductor | High Conductance Fast Diode |
| 1S923TR | Fairchild Semiconductor | High Conductance Fast Diode |
| 1SMA10A | ON Semiconductor | 400W Zener Suppressor |
| 1SMA10AT3 | ON Semiconductor | 400W Zener Suppressor |
| 1SMA10CA | ON Semiconductor | Zener Transient Voltage Suppressors |
| 1SMA10CAT3 | ON Semiconductor | Zener Transient Voltage Suppressors |
| 1SMA110Z | Taiwan Semiconductor | Zener: |
| 1SMA11A | ON Semiconductor | 400W Zener Suppressor |
| 1SMA11AT3 | ON Semiconductor | 400W Zener Suppressor |
| 1SMA11CA | ON Semiconductor | Zener Transient Voltage Suppressors |
| 1SMA11CAT3 | ON Semiconductor | Zener Transient Voltage Suppressors |