| PartNumber | B72240L0251K102 | B72240L0251K100 | B72240L0271K100 |
| Description | Varistors Varistor LS40K250QPK2 | Varistors 40mm / 250v | Varistors 278V 40000A |
| Manufacturer | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Product Category | Varistors | Varistors | TVS - Varistors, MOVs |
| RoHS | Y | Y | - |
| Series | HighE LS40 | HighE LS40 | - |
| Mounting Style | Terminal Mount | Terminal Mount | - |
| Termination Style | Screw/Solder Terminal | Screw/Solder Terminal | - |
| Voltage Rating AC | 250 VAC | 250 VAC | 275 VAC |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Bulk | Bulk | Bulk |
| Brand | EPCOS / TDK | EPCOS / TDK | - |
| Product Type | Varistors | Varistors | - |
| Factory Pack Quantity | 50 | 250 | - |
| Subcategory | Varistors | Varistors | - |
| Part # Aliases | 251K102 B72240L B72240L251K102 LS41K420QP | B72240L0251K100 B72240L251K100 LS40K250QP | - |