| PartNumber | ROV20H271K | ROV20H270M-S | ROV20H270M |
| Description | Varistors 20mm 270V +-10% High Surge Series | Varistors 20mm 27V +-20% High Surge Series | Varistors 20mm 27V +-20% High Surge Series |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Varistors | Varistors | Varistors |
| RoHS | Y | Y | Y |
| Series | ROV20H | ROV20H | ROV20H |
| Product | MOV | MOV | MOV |
| Mounting Style | PCB Mount | PCB Mount | PCB Mount |
| Termination Style | Radial | Radial | Radial |
| Voltage Rating AC | 175 VAC | 17 VAC | 17 VAC |
| Voltage Rating DC | 270 VDC | 27 VDC | 27 VDC |
| Clamping Voltage | 455 V | 53 V | 53 V |
| Diameter | 20 mm | 20 mm | 20 mm |
| Peak Surge Current | 10 kA | 3 A | 3 A |
| Surge Energy Rating | 190 J | 19 J | 19 J |
| Capacitance | 1260 pF | 0.02 uF | 0.02 uF |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Bulk | Bulk | Bulk |
| Tolerance | 10 % | 20 % | 20 % |
| Type | High Surge Metal Oxide Varistors | High Surge Metal Oxide Varistors | High Surge Metal Oxide Varistors |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Varistors | Varistors | Varistors |
| Factory Pack Quantity | 750 | 750 | 750 |
| Subcategory | Varistors | Varistors | Varistors |
| Part # Aliases | F47301-000 | E86952-000 | E99018-000 |