| PartNumber | B72214S2551K101 | B72214S2551K151 | B72214S2551K551 |
| Description | Varistors Varistor S14K550E2 | Varistors Varistor S14K550E2G5 | Varistors Varistor S14K550E2G5S5 |
| Manufacturer | EPCOS / TDK | EPCOS (TDK) | EPCOS (TDK) |
| Product Category | Varistors | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| RoHS | Y | - | - |
| Series | B722xxS2 | - | - |
| Product | MOV | - | - |
| Mounting Style | PCB Mount | - | - |
| Termination Style | Radial | - | - |
| Voltage Rating AC | 550 VAC | - | 550 VAC |
| Voltage Rating DC | 745 VDC | - | - |
| Varistor Voltage | 910 V | - | - |
| Peak Surge Current | 5 kA | - | - |
| Surge Energy Rating | 180 J | - | - |
| Capacitance | 170 pF | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 105 C | - | - |
| Packaging | Bulk | Tape & Reel (TR) Alternate Packaging | Cut Tape (CT) Alternate Packaging |
| Current Rating | 50 A | - | - |
| Height | 19 mm | - | - |
| Tolerance | 10 % | - | - |
| Type | Metal Oxide Varistors | - | - |
| Width | 15.5 mm | - | - |
| Brand | EPCOS / TDK | - | - |
| Lead Spacing | 7.5 mm | - | - |
| Product Type | Varistors | - | - |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | Varistors | - | - |
| Unit Weight | 0.141096 oz | - | 0.141096 oz |
| Package Case | - | Disc 14mm | Disc 14mm |
| 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 | - | 5kA | 5kA |
| Maximum AC Volts | - | 550VAC | 550VAC |
| Maximum DC Volts | - | 745VDC | 745VDC |
| Energy | - | 180J | 180J |