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| PartNumber | V391HA40 | V391HA32 | V391HB34 |
| Description | Varistors INDUSTRIAL VARISTOR HIGH ENERGY PCB USE | Varistors INDUSTRIAL VARISTOR HIGH ENERGY PCB USE | Varistors HIGH ENERGY PCB USE |
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Category | TVS - Varistors, MOVs | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| Series | HA | HA | HB34 |
| Product | MOV | MOV | MOV |
| Packaging | Bulk | Bulk | Bulk |
| Termination Style | Through Hole | Through Hole | Solder Terminal |
| Mounting | SMD/SMT | SMD/SMT | Radial |
| Operating Temperature Range | - 55 C to + 85 C | - 55 C to + 85 C | - 55 C to + 85 C |
| Package Case | Disc 40mm, Formed Tabs | Disc 32mm, Formed Tabs | Square 34mm, Formed Tabs |
| Capacitance | 3500 pF | 1750 pF | 3500 pF |
| Mounting Type | Bolt Mount | Bolt Mount | Through Hole |
| Number of Circuits | 1 | 1 | 1 |
| Diameter | 42.5 mm | 35.5 mm | 34 mm |
| Varistor Voltage Min | 545V | 545V | 545V |
| Varistor Voltage Typ | 604V | 604V | 604V |
| Varistor Voltage Max | 663V | 663V | 663V |
| Current Surge | 40kA | 25kA | 40kA |
| Maximum AC Volts | 385VAC | 385VAC | 385VAC |
| Maximum DC Volts | 510VDC | 510VDC | 510VDC |
| Energy | 550J | 395J | 550J |
| Voltage Rating AC | 385 VAC | 385 VAC | 385 VAC |
| Voltage Rating DC | 510 VDC | 510 VDC | 510 VDC |
| Clamping Voltage | 1 kV | 1.02 kV | 1 kV |
| Peak Surge Current | 40 kA | 25 kA | 40 kA |
