| PartNumber | V20E250L1B7 | V20E250L2B1 | V20E250 |
| Description | Varistors 250V 20mm Epoxy UltraMOV | Varistors 250V 20mm Epoxy UltraMOV | Varistors 250V 20mm Epoxy UltraMOV |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse Inc. |
| Product Category | Varistors | Varistors | TVS - Varistors, MOVs |
| RoHS | Y | Y | - |
| Series | UltraMOV | UltraMOV | UltraMOV |
| Voltage Rating AC | 250 VAC | 250 VAC | - |
| Voltage Rating DC | 390 VDC | 390 VDC | - |
| Clamping Voltage | 650 V | 650 V | - |
| Diameter | 20 mm | 20 mm | - |
| Capacitance | 1000 pF | 1000 pF | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Bulk | Bulk | Bulk |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Varistors | Varistors | - |
| Factory Pack Quantity | 500 | 500 | - |
| Subcategory | Varistors | Varistors | - |
| Tradename | UltraMOV | UltraMOV | - |
| Peak Surge Current | - | 100 A | - |
| Package Case | - | - | Disc 20mm |
| Mounting Type | - | - | Through Hole |
| Number of Circuits | - | - | 1 |
| Varistor Voltage Min | - | - | 351V |
| Varistor Voltage Typ | - | - | 390V |
| Varistor Voltage Max | - | - | 429V |
| Current Surge | - | - | 10kA |
| Maximum AC Volts | - | - | 250VAC |
| Maximum DC Volts | - | - | 320VDC |
| Energy | - | - | 170J |