| PartNumber | B72220R2301K101 | B72220R2271K101 | B72220R2251K101 |
| Description | Varistors 300V 20mm 2pin ThermoFuse Varistor | Varistors 275V 20mm 2pin ThermoFuse Varistor | Varistors 250V 20mm 2pin ThermoFuse Varistor |
| Manufacturer | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Product Category | Varistors | Varistors | Varistors |
| RoHS | Y | Y | Y |
| Series | NT20 | NT20 | NT20 |
| Product | MOV | MOV | MOV |
| Mounting Style | PCB Mount | PCB Mount | PCB Mount |
| Termination Style | Radial | Radial | Radial |
| Voltage Rating AC | 300 VAC | 275 VAC | 250 VAC |
| Voltage Rating DC | 385 VDC | 350 VDC | 320 VDC |
| Varistor Voltage | 470 V | 430 V | 390 V |
| Clamping Voltage | 775 V | 710 V | 650 V |
| Diameter | 23 mm | 23 mm | 23 mm |
| Peak Surge Current | 10 kA | 10 kA | 10 kA |
| Surge Energy Rating | 250 J | 215 J | 195 J |
| Capacitance | 780 pF | 850 pF | 940 pF |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Bulk | Bulk | Bulk |
| Length | 11 mm | 9.5 mm | 9.5 mm |
| Brand | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Product Type | Varistors | Varistors | Varistors |
| Factory Pack Quantity | 150 | 150 | 150 |
| Subcategory | Varistors | Varistors | Varistors |