| PartNumber | V56ZA20 | V56ZA20P | V56ZA2 |
| Description | Varistors 2kA 10000pF | Varistors 2kA 10000pF | VARISTOR 56V 250A DISC 7MM |
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Category | TVS - Varistors, MOVs | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| Series | ZA | ZA | ZA |
| Product | MOV | - | - |
| Packaging | Bulk | Bulk Alternate Packaging | Bulk |
| Mounting | Radial | - | - |
| Operating Temperature Range | - 55 C to + 85 C | - | - |
| Package Case | Disc 20mm | Disc 20mm | Disc 7mm |
| Capacitance | 10000 pF | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Number of Circuits | 1 | 1 | 1 |
| Diameter | 20 mm | - | - |
| Varistor Voltage Min | 50.4V | 50.4V | 50.4V |
| Varistor Voltage Typ | 56V | 56V | 56V |
| Varistor Voltage Max | 61.6V | 61.6V | 61.6V |
| Current Surge | 2kA | 2kA | 250A |
| Maximum AC Volts | 35VAC | 35VAC | 35VAC |
| Maximum DC Volts | 45VDC | 45VDC | 45VDC |
| Energy | 30J | 30J | 2.3J |
| Voltage Rating AC | 35 VAC | - | - |
| Voltage Rating DC | 45 VDC | - | - |
| Clamping Voltage | 110 V | - | - |
| Peak Surge Current | 2 kA | - | - |