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| PartNumber | RUEF185-1 | RUEF185 | RUEF185 U185 |
| Description | Resettable Fuses - PPTC 1.85A 30V 100A Imax | Resettable Fuses - PPTC 1.85A 30V 100A Imax | |
| Manufacturer | Littelfuse | TE | - |
| Product Category | Resettable Fuses - PPTC | PTC Resettable Fuses | - |
| RoHS | Y | - | - |
| Series | RUEF | PolySwitchR, RUEF | - |
| Mounting Style | Through Hole | Through Hole | - |
| Termination Style | Radial | Radial | - |
| Hold Current | 1.85 A | 1.85 A | - |
| Maximum Voltage | 30 V | 30 VDC | - |
| Trip Current | 3.7 A | 3.7 A | - |
| Current Rating Max | 100 A | - | - |
| Resistance | 90 mOhms | 0.09 Ohms | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Lead Spacing | 5.8 mm | 5.8 mm | - |
| Packaging | Bulk | Bulk Alternate Packaging | - |
| Height | 3 mm | 3 mm | - |
| Length | 15.7 mm | 15.7 mm | - |
| Type | PolySwitch Resettable Fuses | PolySwitch Resettable Fuses | - |
| Width | 10.2 mm | 10.2 mm | - |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 1 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | RF0429-000 RF2779-000 | - | - |
| Unit Weight | 0.013369 oz | - | - |
| Part Aliases | - | D92264-000 RF2559-000 | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - |
| Package Case | - | Radial, Disc | - |
| Current Max | - | 100A | - |
| Current Hold Ih Max | - | 1.85A | - |
| Voltage Max | - | 30V | - |
| Current Trip It | - | 3.7A | - |
| R Min Max | - | 0.030 ~ 0.090 Ohm | - |
| Time to Trip | - | 8.7s | - |
| Current Rating Max | - | 100 A | - |
| Pd Power Dissipation | - | 1 W | - |