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| PartNumber | SMBZ5921B-E3/52 | SMBZ5921B-E3/5B | SMBZ5921B |
| Description | Zener Diodes 6.8 Volt 3.0 Watt 5% | Zener Diodes 6.8 Volt 3.0 Watt 5% | |
| Manufacturer | Vishay | Vishay | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| RoHS | E | E | - |
| Vz Zener Voltage | 6.8 V | 6.8 V | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | DO-214AA-2 | DO-214AA-2 | - |
| Pd Power Dissipation | 550 mW | 3 W | - |
| Voltage Tolerance | - | 5 % | - |
| Voltage Temperature Coefficient | - | - | - |
| Zener Current | 200 uA | 220 mA | - |
| Zz Zener Impedance | 2.5 Ohms | 2.5 Ohms | - |
| Minimum Operating Temperature | - 65 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Configuration | Single | Single | - |
| Test Current | 55.1 mA | 55.1 mA | - |
| Packaging | Reel | Reel | - |
| Height | 2.44 mm | 2.24 mm | - |
| Length | 4.57 mm | 4.57 mm | - |
| Width | 3.94 mm | 3.94 mm | - |
| Brand | Vishay Semiconductors | Vishay Semiconductors | - |
| Ir Reverse Current | 200 uA | 200 uA | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 750 | 3200 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Vf Forward Voltage | 1.5 V | - | - |
| Unit Weight | 0.003284 oz | 0.003284 oz | - |