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| PartNumber | RXEF135K-AP | RXEF135K | RXEF135K-2 |
| Description | Resettable Fuses - PPTC 40A 72V 2Pin Ammo Pk PolySwitch Reset Dev | Resettable Fuses - PPTC Radial Lead 1.35A 72V 40A Imax | Resettable Fuses - PPTC |
| Manufacturer | Littelfuse | - | TE Connectivity Raychem Circuit Protection |
| Product Category | Resettable Fuses - PPTC | - | PTC Resettable Fuses |
| RoHS | Y | - | - |
| Series | RXEF | - | PolySwitchR, RXEF |
| Current Rating Max | - | - | - |
| Packaging | Reel | - | Cut Tape (CT) Alternate Packaging |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 1.7 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | RF1243-000 RF2718-000 | - | - |
| Type | - | - | PolySwitch Resettable Fuses |
| Part Aliases | - | - | D37101-000 RF2692-000 |
| Mounting Style | - | - | Through Hole |
| Termination Style | - | - | Radial |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Package Case | - | - | Radial, Disc |
| Current Max | - | - | 40A |
| Current Hold Ih Max | - | - | 1.35A |
| Voltage Max | - | - | 72V |
| Current Trip It | - | - | 2.7A |
| R Min Max | - | - | 0.120 ~ 0.300 Ohm |
| Time to Trip | - | - | 9.6s |
| Hold Current | - | - | 1.35 A |
| Maximum Voltage | - | - | 72 VDC |
| Trip Current | - | - | 2.7 A |
| Current Rating Max | - | - | 40 A |
| Resistance | - | - | 0.3 Ohms |
| Pd Power Dissipation | - | - | 1.7 W |