| Picture | Part Number | Description | Category | Manufacture |
 | 1N748ATR | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N748A_T50R | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N748A_T50A | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N748A | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N5990B_T50R | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N5990B_T50A | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N5990B | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX55C3V9_T50R | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX55C3V9_T50A | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX55C3V9 | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N5228B_T50R | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N5228B_T50A | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N5228B | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX79C3V9_T50R | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX79C3V9_T50A | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX79C3V9 | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Fairchild Semiconductor |
| 1N5228B-T | DIODE ZENER 3.9V 500MW DO-35 | Low-power Semiconductor | Diodes Inc (VA) |
 | MTZJT-773.9B | DIODE ZENER 3.9V 500MW DO-34 | Low-power Semiconductor | Rohm Semiconductor |
 | PDZ3.9B,115 | DIODE ZENER 3.9V 400MW SOD323 | Low-power Semiconductor | NXP Semiconductors |
 | BZX284-B3V9,115 | DIODE ZENER 3.9V 400MW SOD110 | Low-power Semiconductor | NXP Semiconductors |
 | 1SMB5915BT3 | DIODE ZENER 3.9V 3W SMB | Low-power Semiconductor | ON Semiconductor (VA) |
 | BZT52H-C3V9,115 | DIODE ZENER 3.9V 375MW SOD123F | Low-power Semiconductor | NXP Semiconductors (VA) |
| MAZ40390MF | DIODE ZENER 3.9V 370MW DO-34 | Low-power Semiconductor | Panasonic - SSG |
 | BZX84C3V9TA | DIODE ZENER 3.9V 350MW SOT23-3 | Low-power Semiconductor | Zetex Inc (VA) |
| MMBZ5228B-7 | DIODE ZENER 3.9V 350MW SOT23-3 | Low-power Semiconductor | Diodes/Zetex (VA) |
| BZX84C3V9-7 | DIODE ZENER 3.9V 350MW SOT23-3 | Low-power Semiconductor | Diodes Inc (VA) |
 | BZX84C3V9 | DIODE ZENER 3.9V 350MW SOT-23 | Low-power Semiconductor | Fairchild Semiconductor |
| BZX84C3V9_D87Z | DIODE ZENER 3.9V 350MW SOT-23 | Low-power Semiconductor | Fairchild Semiconductor |
| MMBZ5228B | DIODE ZENER 3.9V 350MW SOT-23 | Low-power Semiconductor | Fairchild Semiconductor |
 | PZU3.9B2,115 | DIODE ZENER 3.9V 310MW SOD323F | Low-power Semiconductor | NXP Semiconductors (VA) |
