| PartNumber | ROV14-821K-S | ROV14-821K | ROV14-820K |
| Description | Varistors 14mm 820V +-10% | Varistors | Varistors 14mm 82V +-10% |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Varistors | Varistors | Varistors |
| RoHS | Y | Y | Y |
| Series | ROV14 | ROV14 | ROV14 |
| Product | MOV | MOV | MOV |
| Voltage Rating AC | 510 VAC | 510 VAC | 50 VAC |
| Voltage Rating DC | 820 VDC | 820 VDC | 82 VDC |
| Clamping Voltage | 1.355 kV | 1.355 kV | 135 V |
| Diameter | 14 mm | 14 mm | 14 mm |
| Surge Energy Rating | 188 J | 188 J | 22 J |
| Capacitance | 265 pF | 265 pF | 2965 pF |
| Packaging | Bulk | Bulk | Bulk |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Varistors | Varistors | Varistors |
| Factory Pack Quantity | 750 | 250 | 1500 |
| Subcategory | Varistors | Varistors | Varistors |
| Part # Aliases | D11777-000 | E62540-000 | A99707-000 |
| Peak Surge Current | - | - | 4.5 kA |