| PartNumber | V68ZS20 | V68ZS20PX10 | V68ZS20P |
| Description | Varistors RADIAL LEAD VARISTOR LOW/MED VOLTAGE | Varistors 20MM Radial | Varistors RADIAL VARISTOR LEAD FREE |
| Manufacturer | Littelfuse | Littelfuse Inc. | Littelfuse Inc. |
| Product Category | Varistors | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| RoHS | N | - | - |
| Series | ZA | ZS | ZS |
| Product | MOV | - | MOV |
| Mounting Style | PCB Mount | - | - |
| Termination Style | Radial | - | - |
| Voltage Rating DC | 56 VDC | - | - |
| Clamping Voltage | 135 V | - | - |
| Diameter | 20 mm | - | 20 mm |
| Capacitance | 0.01 uF | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Bulk | Tape & Reel (TR) | Tape & Reel (TR) Alternate Packaging |
| Type | Varistor | - | - |
| Brand | Littelfuse | - | - |
| Product Type | Varistors | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | Varistors | - | - |
| Package Case | - | Disc 20mm | Disc 20mm |
| Mounting Type | - | Through Hole | Through Hole |
| Number of Circuits | - | 1 | 1 |
| Varistor Voltage Min | - | 61.2V | 61.2V |
| Varistor Voltage Typ | - | 68V | 68V |
| Varistor Voltage Max | - | 74.8V | 74.8V |
| Current Surge | - | 2kA | 2kA |
| Maximum AC Volts | - | 40VAC | 40VAC |
| Maximum DC Volts | - | 56VDC | 56VDC |
| Energy | - | 33J | 33J |
| Mounting | - | - | Radial |
| Operating Temperature Range | - | - | - 55 C to + 85 C |