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| PartNumber | RUEF300K-2 | RUEF300K-0.138 | RUEF300K |
| Description | Resettable Fuses - PPTC 3A 30V 100A Imax | Resettable Fuses - PPTC 3A 30V 40A Imax | Resettable Fuses - PPTC |
| Manufacturer | Littelfuse | - | - |
| Product Category | Resettable Fuses - PPTC | - | - |
| RoHS | Y | - | - |
| Series | RUEF | - | - |
| Mounting Style | Through Hole | - | - |
| Termination Style | Radial | - | - |
| Hold Current | 3 A | - | - |
| Maximum Voltage | 30 V | - | - |
| Trip Current | 6 A | - | - |
| Current Rating Max | 100 A | - | - |
| Resistance | 80 mOhms | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Lead Spacing | 5.8 mm | - | - |
| Packaging | Reel | - | - |
| Height | 3 mm | - | - |
| Length | 16.5 mm | - | - |
| Type | PolySwitch Resettable Fuses | - | - |
| Width | 11.4 mm | - | - |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 2 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 2500 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | F51440-000 RF2648-000 | - | - |
| Unit Weight | 0.018201 oz | - | - |