| PartNumber | RUEF300 | RUEF300-1 | RUEF300-2 |
| Description | Resettable Fuses - PPTC 3A 30V 100A Imax | Resettable Fuses - PPTC 3A 30V 40A Imax | Resettable Fuses - PPTC 3A 30V 100A Imax |
| Manufacturer | Littelfuse | Littelfuse | - |
| Product Category | Resettable Fuses - PPTC | Resettable Fuses - PPTC | - |
| RoHS | Y | Y | - |
| Series | RUEF | RUEF | - |
| Mounting Style | Through Hole | Through Hole | - |
| Termination Style | Radial | Radial | - |
| Hold Current | 3 A | 3 A | - |
| Maximum Voltage | 30 V | 30 V | - |
| Trip Current | 6 A | 6 A | - |
| Current Rating Max | 100 A | - | - |
| Resistance | 80 mOhms | 80 mOhms | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Lead Spacing | 5.8 mm | - | - |
| Packaging | Bulk | Bulk | - |
| Height | 3 mm | 16.5 mm | - |
| Length | 16.5 mm | 11.4 mm | - |
| Type | PolySwitch Resettable Fuses | PolySwitch Resettable Fuses | - |
| Width | 11.4 mm | 3 mm | - |
| Brand | Littelfuse | Littelfuse | - |
| Pd Power Dissipation | 2 W | - | - |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC | - |
| Factory Pack Quantity | 500 | 500 | - |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses | - |
| Tradename | PolySwitch | PolySwitch | - |
| Part # Aliases | D55663-000 RF2611-000 | RF0168-000 | - |
| Unit Weight | 0.018342 oz | 1.138 lbs | - |