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| PartNumber | 1N821A (DO35) | 1N821A-1 | 1N821A |
| Description | Zener Diodes 0TC Reference Voltage Zener | Zener Diodes OTC Temperature Compensated Zeners | Zener Diodes OTC Temperature Compensated Zeners |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | N | N |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-35-2 | DO-35-2 | DO-35-2 |
| Packaging | Bulk | Bulk | Bulk |
| Termination Style | Axial | - | Axial |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Microchip / Microsemi |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 100 | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vz Zener Voltage | - | 6.2 V | 6.5 V |
| Pd Power Dissipation | - | 500 mW | 500 mW |
| Voltage Tolerance | - | 5 % | 5 % |
| Voltage Temperature Coefficient | - | 0.01 %/C | 0.01 %/C |
| Zener Current | - | 70 mA | 2 uA |
| Zz Zener Impedance | - | 10 Ohms | 10 Ohms |
| Minimum Operating Temperature | - | - 55 C | - 55 C |
| Maximum Operating Temperature | - | + 175 C | + 175 C |
| Configuration | - | Single | Single |
| Test Current | - | 7.5 mA | - |
| Diameter | - | 2.29 mm | 2.29 mm |
| Length | - | 5.08 mm | 5.08 mm |
| Ir Reverse Current | - | 2 uA | 2 uA |
| Height | - | - | - |
| Width | - | - | - |
| Voltage Regulation Accuracy | - | - | - |
| Vf Forward Voltage | - | - | - |
| Unit Weight | - | - | 0.004833 oz |