| PartNumber | B72220T2301K101 | B72220T2321K101 | B72220T2351K101 |
| Description | Varistors Varistor ETFV20K300E2 | Varistors 320VAC 273J 840V-CLMP 10KA-PK | Varistors Varistor ETFV20K350E2 |
| Manufacturer | EPCOS (TDK) | - | EPCOS (TDK) |
| Product Category | TVS - Varistors, MOVs | - | TVS - Varistors, MOVs |
| Series | ETFV20 | - | ETFV20 |
| Product | MOV | - | MOV |
| Type | Metal Oxide Varistors | - | Metal Oxide Varistors |
| Packaging | Bulk | - | Bulk |
| Unit Weight | 0.176370 oz | - | 0.176370 oz |
| Current Rating | 100 A | - | 100 A |
| Termination Style | SMD/SMT | - | SMD/SMT |
| Mounting | SMD/SMT | - | SMD/SMT |
| Operating Temperature Range | - 40 C to + 85 C | - | - 40 C to + 85 C |
| Height | 25.7 mm | - | 25.7 mm |
| Length | 22 mm | - | 22 mm |
| Width | 9.7 mm | - | 9.7 mm |
| Package Case | 3-SIP | - | 3-SIP |
| Capacitance | 580 pF | - | 500 pF |
| Mounting Type | Through Hole | - | Through Hole |
| Number of Circuits | 1 | - | 1 |
| Tolerance | 10 % | - | 10 % |
| Varistor Voltage Min | 423V | - | 504V |
| Varistor Voltage Typ | 470V | - | 560V |
| Varistor Voltage Max | 517V | - | 616V |
| Current Surge | 10kA | - | 10kA |
| Maximum AC Volts | 300VAC | - | 350VAC |
| Maximum DC Volts | 385VDC | - | 460VDC |
| Energy | 250J | - | 273J |
| Voltage Rating AC | 300 VAC | - | 350 VAC |
| Voltage Rating DC | 385 VDC | - | 460 VDC |
| Peak Surge Current | 10 kA | - | 10 kA |
| Varistor Voltage | 470 VDC | - | 560 VDC |
| Surge Energy Rating | 250 J | - | 273 J |