| PartNumber | V321DB40 | V321DA40 | V321DHB34 |
| Description | Varistors 320V 40kA 3800pF | Varistors 320V 40kA 3800pF | Varistors DHB Series |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse Inc. |
| Product Category | Varistors | Varistors | TVS - Varistors, MOVs |
| RoHS | Y | Y | - |
| Series | DB | DA | DHB34 |
| Mounting Style | PCB Mount | PCB Mount | - |
| Termination Style | SMD/SMT | SMD/SMT | Solder Terminal |
| Voltage Rating AC | 320 VAC | 320 VAC | 320 VAC |
| Voltage Rating DC | 510 VDC | 510 VDC | 420 VDC |
| Clamping Voltage | 830 V | 830 V | 830 V |
| Diameter | 40 mm | 40 mm | 34 mm |
| Peak Surge Current | 40 kA | 40 kA | 40 kA |
| Surge Energy Rating | 460 J | 460 J | - |
| Capacitance | 3800 pF | 3800 pF | 3800 pF |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Bulk | 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 | - |
| Product | - | - | MOV |
| Mounting | - | - | Radial |
| Operating Temperature Range | - | - | - 55 C to + 85 C |
| Package Case | - | - | Square 34mm, Tabs |
| Mounting Type | - | - | Through Hole |
| Number of Circuits | - | - | 1 |
| Varistor Voltage Min | - | - | 459V |
| Varistor Voltage Typ | - | - | 510V |
| Varistor Voltage Max | - | - | 561V |
| Current Surge | - | - | 40kA |
| Maximum AC Volts | - | - | 320VAC |
| Maximum DC Volts | - | - | 420VDC |
| Energy | - | - | 460J |