| PartNumber | RGEF400K | RGEF400K-2 | RGEF400K-AP |
| Description | Resettable Fuses - PPTC RGEF400K | Resettable Fuses - PPTC 4A 16V 20AWG 100A Imax | Resettable Fuses - PPTC RGEF400K-AP |
| Manufacturer | Littelfuse | - | - |
| Product Category | Resettable Fuses - PPTC | - | - |
| RoHS | Y | - | - |
| Series | RGEF | - | - |
| Mounting Style | Through Hole | - | - |
| Termination Style | Radial | - | - |
| Hold Current | 4 A | - | - |
| Maximum Voltage | 16 V | - | - |
| Trip Current | 6.8 A | - | - |
| Current Rating Max | 100 A | - | - |
| Resistance | 60 mOhms | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Bulk | - | - |
| Height | 12.8 mm | - | - |
| Length | 8.9 mm | - | - |
| Type | PolySwitch Resettable Fuses | - | - |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 2.4 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | E90664-000 RF3230-000 | - | - |