| PartNumber | B72210S0381K551 | B72210S0381K351 | B72210S0381K101 |
| Description | Varistors Varistor S10K385G5S5 | Varistors Varistor S10K385G5S3 | Varistors 385volts 2500A |
| Manufacturer | EPCOS / TDK | EPCOS / TDK | EPCOS |
| Product Category | Varistors | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| RoHS | Y | - | - |
| Series | B722xxS0 | B722 | Disk Standard |
| Product | MOV | MOV | MOV |
| Mounting Style | PCB Mount | - | - |
| Termination Style | Radial | Radial | - |
| Voltage Rating AC | 385 VAC | 385 VAC | 385 VAC |
| Voltage Rating DC | 505 VDC | 505 VDC | 505 VDC |
| Varistor Voltage | 620 V | 620 VDC | - |
| Clamping Voltage | 1.025 kV | 1.025 kV | 1.025 kV |
| Diameter | 10 mm | 10 mm | 10 mm |
| Peak Surge Current | 2.5 kA | 2.5 kA | 2.5 kA |
| Surge Energy Rating | 40 J | 40 J | 40 J |
| Capacitance | 175 pF | 175 pF | 150 pF |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 105 C | - | - |
| Packaging | Reel | Reel | Bulk |
| Current Rating | 25 A | 25 A | - |
| Tolerance | 10 % | 10 % | 10 % |
| Type | Leaded Varistors | Leaded Varistors | - |
| Brand | EPCOS / TDK | - | - |
| Lead Spacing | 7.5 mm | 7.5 mm | - |
| Product Type | Varistors | - | - |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | Varistors | - | - |
| Part # Aliases | 381K551 B72210S B72210S381K551 | - | - |
| Unit Weight | 0.070548 oz | 0.070548 oz | 0.070548 oz |
| Mounting | - | Through Hole | Radial |
| Operating Temperature Range | - | - 40 C to + 85 C | - 40 C to + 85 C |
| Length | - | - | 15 mm |