| PartNumber | ROV05-121K | ROV05-121K-2 | ROV05-121K-S |
| Description | Varistors 5mm 120V +-10% | Varistors 5mm 120V +-10% | Varistors 5mm 120V +-10% |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Varistors | Varistors | Varistors |
| RoHS | Y | Y | Y |
| Series | ROV05 | ROV05 | ROV05 |
| Product | MOV | MOV | MOV |
| Voltage Rating AC | 75 VAC | 75 VAC | 75 VAC |
| Voltage Rating DC | 120 VDC | 120 VDC | 120 VDC |
| Clamping Voltage | 210 V | 210 V | 210 V |
| Diameter | 5 mm | 5 mm | 5 mm |
| Surge Energy Rating | 4 J | 4 J | 4 J |
| Capacitance | 180 pF | 180 pF | 180 pF |
| Packaging | Bulk | Bulk | Bulk |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Varistors | Varistors | Varistors |
| Factory Pack Quantity | 1000 | 3000 | 1000 |
| Subcategory | Varistors | Varistors | Varistors |
| Part # Aliases | E78883-000 | A41679-000 | F19082-000 |