| PartNumber | B72220U2321K501 | B72220U2271K501 | B72220U2151K501 |
| Description | Varistors SNF Leaded Varistor 320V 20mm 10% | Varistors SNF Leaded Varistor 275V 20mm 10% | Varistors SNF Leaded Varistor 150V 20mm 10% |
| Manufacturer | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Product Category | Varistors | Varistors | Varistors |
| RoHS | Y | Y | Y |
| Series | B722xxU | B722xxU | B722xxU |
| Product | MOV | MOV | MOV |
| Mounting Style | PCB Mount | PCB Mount | PCB Mount |
| Termination Style | Radial | Radial | Radial |
| Voltage Rating AC | 320 VAC | 275 VAC | 150 VAC |
| Voltage Rating DC | 420 VDC | 350 VDC | 200 VDC |
| Varistor Voltage | 510 V | 430 V | 240 V |
| Clamping Voltage | 840 V | 710 V | 395 V |
| Diameter | 23.5 mm | 23.5 mm | 23.5 mm |
| Peak Surge Current | 10 kA | 10 kA | 10 kA |
| Surge Energy Rating | 273 J | 215 J | 120 J |
| Capacitance | 720 pF | 850 pF | 1550 pF |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Packaging | Bulk | Bulk | Bulk |
| Current Rating | 3 A | 3 A | 3 A |
| Height | 9.2 mm | 8.8 mm | 8.2 mm |
| Tolerance | 10 % | 10 % | 10 % |
| Brand | EPCOS / TDK | EPCOS / TDK | EPCOS / TDK |
| Product Type | Varistors | Varistors | Varistors |
| Factory Pack Quantity | 1500 | 1500 | 3000 |
| Subcategory | Varistors | Varistors | Varistors |