| PartNumber | RXEF090 | RXEF090-2 | RXEF090-AP |
| Description | Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax | Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax | PTC Resettable Fuse 0.9A(hold) 1.8A(trip) 72V 0.99W 7.2s 0.2Ohm Radial 11.2 X 3mm Ammo |
| Manufacturer | Littelfuse | TE Connectivity Raychem Circuit Protection | TE Connectivity Raychem Circuit Protection |
| Product Category | Resettable Fuses - PPTC | PTC Resettable Fuses | PTC Resettable Fuses |
| RoHS | Y | - | - |
| Series | RXEF | PolySwitchR | PolySwitchR, RXEF |
| Mounting Style | Through Hole | Through Hole | - |
| Termination Style | Radial | Radial | - |
| Hold Current | 900 mA | 0.9 A | - |
| Maximum Voltage | 72 V | 72 VDC | - |
| Trip Current | 1.8 A | 1.8 A | - |
| Current Rating Max | 40 A | - | - |
| Resistance | 470 mOhms | 0.47 Ohms | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Lead Spacing | 5.8 mm | 5.8 mm | - |
| Packaging | Bulk | Cut Tape (CT) | Cut Tape (CT) Alternate Packaging |
| Diameter | 11.2 mm | 11.2 mm | - |
| Height | 3 mm | 3 mm | - |
| Length | 15.8 mm | 15.8 mm | - |
| Type | PolySwitch Resettable Fuses | PolySwitch Resettable Fuses | - |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 990 mW | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | A52660-000 RF2571-000 | - | - |
| Unit Weight | 0.012875 oz | - | - |
| Part Aliases | - | A83967-000 RF2638-000 | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - |
| Package Case | - | Radial, Disc | Radial, Disc |
| Current Max | - | 40A | 40A |
| Current Hold Ih Max | - | 900mA | 900mA |
| Voltage Max | - | 72V | 72V |
| Current Trip It | - | 1.8A | 1.8A |
| R Min Max | - | 0.200 ~ 0.310 Ohm | 0.200 ~ 0.470 Ohm |
| Time to Trip | - | 7.2s | 7.2s |
| Current Rating Max | - | 40 A | - |
| Pd Power Dissipation | - | 990 mW | - |