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| PartNumber | 1N821 | 1N821-1 | 1N821-1/TR |
| Description | Zener Diodes OTC Temperature Compensated Zeners | 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 |
| Vz Zener Voltage | 6.2 V | 6.51 V | 6.2 V |
| Mounting Style | Axial | Through Hole | Through Hole |
| Package / Case | DO-35-2 | DO-35-2 | DO-204AH-2 |
| Pd Power Dissipation | 500 mW | 500 mW | 0.5 W |
| Voltage Tolerance | 5 % | 5 % | 5 % |
| Voltage Temperature Coefficient | 0.01 %/C | 0.01 %/C | 0.01 %/C |
| Zener Current | 2 uA | 2 uA | 2 uA |
| Zz Zener Impedance | 15 Ohms | 15 Ohms | 15 Ohms |
| Minimum Operating Temperature | - 65 C | - 55 C | - 65 C |
| Maximum Operating Temperature | + 175 C | + 175 C | + 175 C |
| Configuration | Single | Single | Single |
| Test Current | 7.5 mA | - | 7.5 mA |
| Packaging | Bulk | Bulk | Reel |
| Diameter | 20.3 mm | 2.29 mm | 2.03 mm |
| Length | 4.44 mm | 5.08 mm | 4.44 mm |
| Termination Style | Axial | Axial | - |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Microchip / Microsemi |
| Ir Reverse Current | 2 uA | 2 uA | 2 uA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Height | - | - | - |
| Width | - | - | - |
| Voltage Regulation Accuracy | - | - | - |
| Vf Forward Voltage | - | - | - |
| Unit Weight | - | 0.004833 oz | - |