| PartNumber | ROV10-821K-2 | ROV10-821K-S | ROV10-821K |
| Description | Varistors 10mm 820V +-10% | Varistors 10mm 820V +-10% | Varistors |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Varistors | Varistors | Varistors |
| RoHS | Y | Y | Y |
| Series | ROV10 | ROV10 | ROV10 |
| Product | MOV | MOV | MOV |
| Voltage Rating AC | 510 VAC | 510 VAC | 510 VAC |
| Voltage Rating DC | 820 VDC | 820 VDC | 820 VDC |
| Clamping Voltage | 1.355 kV | 1.355 kV | 1.355 kV |
| Diameter | 10 mm | 10 mm | 10 mm |
| Surge Energy Rating | 94 J | 94 J | 94 J |
| Capacitance | 130 pF | 130 pF | 130 pF |
| Packaging | Bulk | Bulk | Bulk |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Varistors | Varistors | Varistors |
| Factory Pack Quantity | 1000 | 1500 | 500 |
| Subcategory | Varistors | Varistors | Varistors |
| Part # Aliases | A09649-000 | E40391-000 | E06101-000 |