| PartNumber | FBMOV385M | FBMOV320M | FBMOV300M |
| Description | Varistors Fuse Body MOV | Varistors Fuse Body MOV | Varistors Fuse Body MOV |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse Inc. |
| Product Category | Varistors | Varistors | TVS - Varistors, MOVs |
| RoHS | Y | Y | - |
| Series | M | M | FBMOV |
| Mounting Style | PCB Mount | PCB Mount | - |
| Termination Style | Axial | Axial | - |
| Voltage Rating AC | 385 VAC | 320 VAC | 300 VAC |
| Voltage Rating DC | 620 VDC | 510 VDC | 385 VDC |
| Clamping Voltage | 1.01 kV | 825 V | 765 V |
| Diameter | 40.2 mm | 40.2 mm | 40.2 mm |
| Peak Surge Current | 40 kA | 40 kA | 40 kA |
| Surge Energy Rating | 860 J | 780 J | 740 J |
| Capacitance | 1800 pF | 2160 pF | 2300 pF |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Bulk | Bulk | Bulk |
| Length | 85.1 mm | 85.1 mm | 85.1 mm |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Varistors | Varistors | - |
| Factory Pack Quantity | 4 | 4 | - |
| Subcategory | Varistors | Varistors | - |
| Mounting | - | - | Axial |
| Operating Temperature Range | - | - | - 55 C to + 85 C |
| Package Case | - | - | Axial Cylinder |
| Mounting Type | - | - | Screw Mount |
| Number of Circuits | - | - | 1 |
| Varistor Voltage Min | - | - | 423V |
| Varistor Voltage Typ | - | - | 470V |
| Varistor Voltage Max | - | - | 517V |
| Current Surge | - | - | 40kA |
| Maximum AC Volts | - | - | 300VAC |
| Maximum DC Volts | - | - | 385VDC |
| Energy | - | - | 740J |