| PartNumber | B72210S2511K101 | B72210S2551K501 | B72210S2551K101 |
| Description | Varistors Varistor S10K510E2 | Varistors Varistor S10K550E2S5 | Varistors Varistor S10K550E2 |
| Manufacturer | EPCOS / TDK | EPCOS (TDK) | EPCOS (TDK) |
| Product Category | Varistors | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| RoHS | Y | - | - |
| Series | B722xxS2 | - | Disk Advanced |
| Product | MOV | - | MOV |
| Mounting Style | PCB Mount | - | - |
| Termination Style | Radial | - | Radial |
| Voltage Rating AC | 510 VAC | 550 VAC | 550 VAC |
| Voltage Rating DC | 670 VDC | - | 745 VDC |
| Varistor Voltage | 820 V | - | 910 VDC |
| Clamping Voltage | 1.355 kV | - | - |
| Diameter | 12 mm | - | - |
| Peak Surge Current | 3.5 kA | - | 3.5 kA |
| Surge Energy Rating | 80 J | - | 90 J |
| Capacitance | 110 pF | - | 105 pF |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 105 C | - | - |
| Packaging | Bulk | Bulk | Bulk |
| Current Rating | 25 A | - | 25 A |
| Height | 15 mm | - | 15 mm |
| Length | 12 mm | - | - |
| Tolerance | 10 % | - | 10 % |
| Type | Metal Oxide Varistors | - | Metal Oxide Varistors |
| Width | 8 mm | - | 12 mm |
| Brand | EPCOS / TDK | - | - |
| Lead Spacing | 7.5 mm | - | 7.5 mm |
| Product Type | Varistors | - | - |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | Varistors | - | - |
| Unit Weight | 0.070548 oz | 0.070548 oz | 0.070548 oz |
| Package Case | - | Disc 10mm | Disc 10mm |
| Mounting Type | - | Through Hole | Through Hole |
| Number of Circuits | - | 1 | 1 |
| Varistor Voltage Min | - | 819V | 819V |
| Varistor Voltage Typ | - | 910V | 910V |
| Varistor Voltage Max | - | 1001V (1.001kV) | 1001V (1.001kV) |
| Current Surge | - | 3.5kA | 3.5kA |
| Maximum AC Volts | - | 550VAC | 550VAC |
| Maximum DC Volts | - | 745VDC | 745VDC |
| Energy | - | 90J | 90J |
| Mounting | - | - | Through Hole |
| Operating Temperature Range | - | - | - 40 C to + 85 C |