| PartNumber | ROV07-681K-S-2 | ROV07-680K-2 | ROV07-681K-2 |
| Description | Varistors 7mm 680V +-10% | Varistors 7mm 68V +-10% | Varistors 7mm 680V +-10% |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Varistors | Varistors | Varistors |
| RoHS | Y | Y | Y |
| Series | ROV07 | ROV07 | ROV07 |
| Product | MOV | MOV | MOV |
| Voltage Rating AC | 420 VAC | 40 VAC | 420 VAC |
| Voltage Rating DC | 680 VDC | 68 VDC | 680 VDC |
| Clamping Voltage | 1.12 kV | 135 V | 1.12 kV |
| Diameter | 7 mm | 7 mm | 7 mm |
| Surge Energy Rating | 43 J | 4.3 J | 43 J |
| Capacitance | 82 pF | 1119 pF | 82 pF |
| Packaging | Bulk | Bulk | Bulk |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Varistors | Varistors | Varistors |
| Factory Pack Quantity | 2000 | 3000 | 2000 |
| Subcategory | Varistors | Varistors | Varistors |
| Part # Aliases | E66753-000 | D50873-000 | E67625-000 |
| Peak Surge Current | - | 250 A | - |