 | |  | |
| PartNumber | B72220S0400K551 | B72220S0400K101 | B72220S0421K101 |
| Description | Varistors 20mm / 40v | Varistors 40volts 2000A | Varistors 420volts 8000A |
| Manufacturer | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Product Category | Varistors | Varistors | TVS - Varistors, MOVs |
| RoHS | Y | Y | - |
| Series | B722xxS0 | B722xxS0 | - |
| Product | MOV | MOV | MOV |
| Mounting Style | PCB Mount | PCB Mount | - |
| Termination Style | Radial | Radial | - |
| Voltage Rating AC | 40 VAC | 40 VAC | 420 VAC |
| Voltage Rating DC | 56 VDC | 56 VDC | 560 VDC |
| Varistor Voltage | 68 V | 68 V | - |
| Clamping Voltage | 135 V | 135 V | 1.12 kV |
| Diameter | 20 mm | 20 mm | 20 mm |
| Peak Surge Current | 2 kA | 2 kA | 8 kA |
| Surge Energy Rating | 37 J | 37 J | 175 J |
| Capacitance | 6750 pF | 6750 pF | 420 pF |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Reel | Bulk | Bulk |
| Current Rating | 20 A | 20 A | - |
| Tolerance | 10 % | 10 % | 10 % |
| Type | Leaded Varistors | - | - |
| Brand | EPCOS / TDK | EPCOS / TDK | - |
| Lead Spacing | 10 mm | 10 mm | - |
| Product Type | Varistors | Varistors | - |
| Factory Pack Quantity | 1000 | 1500 | - |
| Subcategory | Varistors | Varistors | - |
| Part # Aliases | 400K551 B72220S B72220S400K551 S20K40G5S5 | 400K101 B72220S B72220S400K101 | - |
| Unit Weight | 0.529109 oz | 0.529109 oz | 0.529109 oz |
| Length | - | 25.5 mm | 26 mm |
| Mounting | - | - | Radial |
| Operating Temperature Range | - | - | - 40 C to + 85 C |