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| PartNumber | V321DB40 | V321DA40 | V321D 8DB |
| Description | Varistors 320V 40kA 3800pF | Varistors 320V 40kA 3800pF | |
| Manufacturer | Littelfuse | Littelfuse | - |
| Product Category | Varistors | Varistors | - |
| RoHS | Y | Y | - |
| Series | DB | DA | - |
| Mounting Style | PCB Mount | PCB Mount | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Voltage Rating AC | 320 VAC | 320 VAC | - |
| Voltage Rating DC | 510 VDC | 510 VDC | - |
| Clamping Voltage | 830 V | 830 V | - |
| Diameter | 40 mm | 40 mm | - |
| Peak Surge Current | 40 kA | 40 kA | - |
| Surge Energy Rating | 460 J | 460 J | - |
| Capacitance | 3800 pF | 3800 pF | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Bulk | Bulk | - |
| Height | 12.7 mm | 15 mm | - |
| Length | 60.3 mm | 62 mm | - |
| Type | Varistor | Varistor | - |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Varistors | Varistors | - |
| Factory Pack Quantity | 10 | 12 | - |
| Subcategory | Varistors | Varistors | - |
| Unit Weight | - | 0.352740 oz | - |