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| PartNumber | RXEF020S | RXEF020S-2 | RXEF020S-1 |
| Description | Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax | Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax | Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax |
| Manufacturer | Littelfuse | Littelfuse | - |
| Product Category | Resettable Fuses - PPTC | Resettable Fuses - PPTC | - |
| RoHS | Y | Y | - |
| Series | RXEF | RXEF | - |
| Mounting Style | Through Hole | Through Hole | - |
| Termination Style | Radial | Radial | - |
| Hold Current | 200 mA | 200 mA | - |
| Maximum Voltage | 72 V | 72 V | - |
| Trip Current | 400 mA | 400 mA | - |
| Current Rating Max | 40 A | 40 A | - |
| Resistance | 4.4 Ohms | 4.4 Ohms | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Lead Spacing | 5.8 mm | 5.8 mm | - |
| Packaging | Bulk | Reel | - |
| Diameter | 8.9 mm | 8.9 mm | - |
| Height | 3 mm | 3 mm | - |
| Length | 11.2 mm | 11.2 mm | - |
| Type | PolySwitch Resettable Fuses | PolySwitch Resettable Fuses | - |
| Brand | Littelfuse | Littelfuse | - |
| Pd Power Dissipation | 410 mW | 410 mW | - |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC | - |
| Factory Pack Quantity | 500 | 3000 | - |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses | - |
| Tradename | PolySwitch | PolySwitch | - |
| Part # Aliases | RF2675-000 | RF0471-000 RF2673-000 | - |