| PartNumber | RKEF375 | RKEF300 | RKEF375K |
| Description | Resettable Fuses - PPTC 60V 40A 3.40W Radial-leaded Device | Resettable Fuses - PPTC 60V 40A 3.20W Radial-leaded Device | POLYSWITCH RESETTABLE DEVICES RADIAL-LEADED DEVICES |
| Manufacturer | Littelfuse | - | - |
| Product Category | Resettable Fuses - PPTC | - | - |
| RoHS | Y | - | - |
| Series | RKEF | - | - |
| Mounting Style | Through Hole | - | - |
| Termination Style | Radial | - | - |
| Hold Current | 3.75 A | - | - |
| Maximum Voltage | 60 V | - | - |
| Trip Current | 7.5 A | - | - |
| Current Rating Max | - | - | - |
| Resistance | 40 mOhms | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Lead Spacing | 10.9 mm | - | - |
| Packaging | Bulk | - | - |
| Height | 25.2 mm | - | - |
| Length | 16.5 mm | - | - |
| Type | PolySwitch Resettable Fuses | - | - |
| Width | 3 mm | - | - |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 3.4 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 250 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | RF1173-000 RF3375-000 | - | - |
| Unit Weight | 0.040283 oz | - | - |