| PartNumber | V420LT7PX2855 | V420LTX40B | V420LTX20A |
| Description | Varistors 07MM Radial | Varistors 420V pF | Varistors 420V pF |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse Inc. |
| Product Category | Varistors | Varistors | TVS - Varistors, MOVs |
| RoHS | Y | N | - |
| Series | LA | LA | LT |
| Voltage Rating DC | 679 VDC | 620 VDC | - |
| Clamping Voltage | 1.12 kV | 1.06 kV | - |
| Packaging | Reel | Bulk | Tape & Reel (TR) |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Varistors | Varistors | - |
| Factory Pack Quantity | 1000 | 6 | - |
| Subcategory | Varistors | Varistors | - |
| Voltage Rating AC | - | 420 VAC | - |
| Diameter | - | 20 mm | - |
| Peak Surge Current | - | 6.5 kA | - |
| Capacitance | - | 600 pF | - |
| Minimum Operating Temperature | - | - 55 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Package Case | - | - | Disc 14mm |
| Mounting Type | - | - | Through Hole |
| Number of Circuits | - | - | 1 |
| Varistor Voltage Min | - | - | 610V |
| Varistor Voltage Typ | - | - | 679V |
| Varistor Voltage Max | - | - | 748V |
| Current Surge | - | - | 4.5kA |
| Maximum AC Volts | - | - | 420VAC |
| Maximum DC Volts | - | - | 560VDC |
| Energy | - | - | 90J |