| PartNumber | V18ZS40PX10 | V18ZS40PX2855 | V18ZS40P |
| Description | Varistors 20MM Radial | Varistors 20MM Radial | Varistors 20MM Radial |
| Manufacturer | Littelfuse | Littelfuse Inc. | Littelfuse Inc. |
| Product Category | Varistors | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| RoHS | Y | - | - |
| Series | ZA | ZS | ZS |
| Voltage Rating DC | 18 VDC | - | 14 VDC |
| Clamping Voltage | 37 V | - | 37 V |
| Packaging | Reel | Tape & Reel (TR) | Tape & Reel (TR) |
| 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 | - | 16.2V | 16.2V |
| Varistor Voltage Typ | - | 18V | 18V |
| Varistor Voltage Max | - | 19.8V | 19.8V |
| Current Surge | - | 2kA | 2kA |
| Maximum AC Volts | - | 10VAC | 10VAC |
| Maximum DC Volts | - | 14VDC | 14VDC |
| Energy | - | 80J | 80J |
| Product | - | - | MOV |
| Termination Style | - | - | Radial |
| Mounting | - | - | Radial |
| Operating Temperature Range | - | - | - 55 C to + 85 C |
| Capacitance | - | - | 22000 pF |
| Diameter | - | - | 20 mm |
| Voltage Rating AC | - | - | 10 VAC |
| Peak Surge Current | - | - | 2 kA |