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| PartNumber | 1N990A | 1N990B |
| Description | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes |
| Manufacturer | Microchip | Microchip |
| Product Category | Zener Diodes | Zener Diodes |
| RoHS | N | N |
| Packaging | Foil Bag | Foil Bag |
| Brand | Microchip / Microsemi | Microchip / Microsemi |
| Product Type | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers |
| Vz Zener Voltage | - | 160 V |
| Mounting Style | - | Through Hole |
| Package / Case | - | DO-35-2 |
| Pd Power Dissipation | - | 500 mW |
| Voltage Tolerance | - | 5 % |
| Voltage Temperature Coefficient | - | 0.11 %/C |
| Zener Current | - | 5 uA |
| Zz Zener Impedance | - | 1700 Ohms |
| Minimum Operating Temperature | - | - 65 C |
| Maximum Operating Temperature | - | + 175 C |
| Configuration | - | Single |
| Test Current | - | 0.8 mA |
| Vf Forward Voltage | - | 1.1 V |