| PartNumber | ROV20-331K-S-2 | ROV20-331K-2 | ROV20-330M-S |
| Description | Varistors 20mm 210V +-10% | Varistors 20mm 330V +-10% | Varistors |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Varistors | Varistors | Varistors |
| RoHS | Y | Y | Y |
| Series | ROV20 | ROV20 | ROV20 |
| Product | MOV | MOV | MOV |
| Mounting Style | PCB Mount | PCB Mount | PCB Mount |
| Termination Style | Radial | Radial | Radial |
| Voltage Rating AC | 210 VAC | 210 VAC | 20 VAC |
| Voltage Rating DC | 330 VDC | 330 VDC | 33 VDC |
| Varistor Voltage | 330 V | - | - |
| Clamping Voltage | 550 V | 550 V | 65 V |
| Diameter | 20 mm | 20 mm | 20 mm |
| Peak Surge Current | 6.5 kA | 6.5 kA | 2 kA |
| Surge Energy Rating | 184 J | 184 J | 12 J |
| Capacitance | 1106 pF | 1106 pF | 0.0172 uF |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Bulk | Bulk |
| Tolerance | 10 % | 10 % | 20 % |
| Type | Standard Metal Oxide Varistors | Standard Metal Oxide Varistors | Standard Metal Oxide Varistors |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Lead Spacing | 10 mm | - | - |
| Product Type | Varistors | Varistors | Varistors |
| Factory Pack Quantity | 500 | 500 | 150 |
| Subcategory | Varistors | Varistors | Varistors |
| Part # Aliases | F67114-000 | C83181-000 | F59490-000 |