| PartNumber | ERZ-V20R331 | ERZ-V20R391 | ERZ-V20R361 |
| Description | Varistors 330V 6500A ZNR SUR ABSORBER 20MM | Varistors 390V 6500A ZNR SUR ABSORBER 20MM | Varistors 360V 6500A ZNR SUR ABSORBER 20MM |
| Manufacturer | Panasonic Electronic Components | Panasonic Electronic Components | Panasonic Electronic Components |
| Product Category | TVS - Varistors, MOVs | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| Series | ZNRR | ZNRR | ZNRR |
| Product | MOV | MOV | MOV |
| Packaging | Bulk | Bulk | Bulk |
| Package Case | Disc 20mm | Disc 20mm | Disc 20mm |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Number of Circuits | 1 | 1 | 1 |
| Diameter | 20 mm | 20 mm | 20 mm |
| Varistor Voltage Min | 297V | 351V | 324V |
| Varistor Voltage Typ | 330V | 390V | 360V |
| Varistor Voltage Max | 363V | 429V | 396V |
| Current Surge | 10kA | 10kA | 10kA |
| Maximum AC Volts | 210VAC | 250VAC | 230VAC |
| Maximum DC Volts | 270VDC | 320VDC | 300VDC |
| Energy | 228J | 275J | 255J |
| Type | - | - | ZNR Transient/Surge Absorber Type D |
| Termination Style | - | - | Radial |
| Mounting | - | - | Radial |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Length | - | - | 8.5 mm |
| Width | - | - | 5.4 mm |
| Lead Spacing | - | - | 5 mm |
| Voltage Rating AC | - | - | 230 VAC |
| Voltage Rating DC | - | - | 300 VDC |
| Clamping Voltage | - | - | 595 V |
| Peak Surge Current | - | - | 10000 A |
| Varistor Voltage | - | - | 390 VDC |
| Surge Energy Rating | - | - | 255 J |