| PartNumber | ROV20H390L-S | ROV20H390L-S-2 | ROV20H390L |
| Description | Varistors 20mm 39V +-15% High Surge Series | Varistors 20mm 39V +-15% High Surge Series | Varistors 20mm 39V +-15% 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 | 25 VAC | 25 VAC | 25 VAC |
| Voltage Rating DC | 39 VDC | 39 VDC | 39 VDC |
| Clamping Voltage | 77 V | 77 V | 77 V |
| Diameter | 20 mm | 20 mm | 20 mm |
| Peak Surge Current | 3 A | 3 A | 3 A |
| Surge Energy Rating | 28 J | 28 J | 28 J |
| Capacitance | 0.015 uF | 0.015 uF | 0.015 uF |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Bulk | Bulk | Bulk |
| Tolerance | 15 % | 15 % | 15 % |
| 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 | 500 | 750 |
| Subcategory | Varistors | Varistors | Varistors |
| Part # Aliases | A88852-000 | A60351-000 | D26672-000 |