| PartNumber | ROV05H121K | ROV05H101K-S | ROV05H121K-2 |
| Description | Varistors 5mm 120V +-10% High Surge Series | Varistors 5mm 100V +-10% High Surge Series | Varistors 5mm 120V +-10% High Surge Series |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Varistors | Varistors | Varistors |
| RoHS | Y | Y | Y |
| Series | ROV05H | ROV05H | ROV05H |
| Product | MOV | MOV | MOV |
| Voltage Rating AC | 75 VAC | 60 VAC | 75 VAC |
| Voltage Rating DC | 120 VDC | 100 VDC | 120 VDC |
| Clamping Voltage | 210 V | 175 V | 210 V |
| Diameter | 5 mm | 5 mm | 5 mm |
| Peak Surge Current | 800 A | 800 A | 800 A |
| Surge Energy Rating | 5.5 J | 4.5 J | 5.5 J |
| Capacitance | 180 pF | 260 pF | 180 pF |
| Packaging | Bulk | Bulk | Bulk |
| Tolerance | 10 % | 10 % | 10 % |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Varistors | Varistors | Varistors |
| Factory Pack Quantity | 5000 | 5000 | 3000 |
| Subcategory | Varistors | Varistors | Varistors |
| Part # Aliases | E69943-000 | E60136-000 | E78811-000 |