| 1N4684 | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4684 | Fairchild Semiconductor | Zener Diode |
| 1N4685 | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4685 | Fairchild Semiconductor | Zener Diode |
| 1N4685D | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4686 | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4686 | Fairchild Semiconductor | Zener Diode |
| 1N4686D | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4687 | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4687 | Fairchild Semiconductor | Zener Diode |
| 1N4688 | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4688 | Fairchild Semiconductor | Zener Diode |
| 1N4689 | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4689 | Fairchild Semiconductor | Zener Diode |
| 1N4689C | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4689D | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4690 | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4690 | Fairchild Semiconductor | Zener Diode |
| 1N4691 | Central Semiconductor | Leaded Zener Diode General Purpose |
| 1N4691 | Fairchild Semiconductor | Zener Diode |