| PartNumber | 1N3998A | 1N3999 | 1N3999A |
| Description | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | N | N |
| Vz Zener Voltage | 6.2 V | - | - |
| Mounting Style | Screw | - | - |
| Package / Case | DO-41-2 | - | - |
| Pd Power Dissipation | 10 W | - | - |
| Voltage Tolerance | 5 % | - | - |
| Voltage Temperature Coefficient | 0.045 %/C | - | - |
| Zener Current | 10 uA | - | - |
| Zz Zener Impedance | 1.1 Ohms | - | - |
| Minimum Operating Temperature | - 65 C | - | - |
| Maximum Operating Temperature | + 175 C | - | - |
| Configuration | Single | - | - |
| Packaging | Tray | Tray | Tray |
| Diameter | - | - | - |
| Height | 20.32 mm | - | - |
| Length | - | - | - |
| Width | 11.1 mm | - | - |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Microchip / Microsemi |
| Voltage Regulation Accuracy | - | - | - |
| Ir Reverse Current | 10 uA | - | - |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1.5 V | - | - |