| 1SMA12A | ON Semiconductor | Zener Transient Voltage Suppressors |
| 1SMA12AT3 | ON Semiconductor | Zener Transient Voltage Suppressors |
| 1SMB5953B | ON Semiconductor | 3 Watt Plastic Surface Mount Silicon Zener Diodes |
| 1SMB5953BT3 | ON Semiconductor | 3 Watt Plastic Surface Mount Silicon Zener Diodes |