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| PartNumber | RUEF185-AP | RUEF185S | RUEF185AP |
| Description | Resettable Fuses - PPTC | Resettable Fuses - PPTC 1.85A 30V 40A Imax | PTC Resettable Fuse, Through Hole Mount |
| 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 | 1.85 A | 1.85 A | - |
| Maximum Voltage | 30 V | 30 V | - |
| Trip Current | 3.7 A | 3.7 A | - |
| Current Rating Max | 100 A | 100 A | - |
| Resistance | 90 mOhms | 90 mOhms | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Bulk | - |
| Height | 15.7 mm | 15.2 mm | - |
| Length | 10.2 mm | 10.2 mm | - |
| Type | PolySwitch Resettable Fuses | PolySwitch Resettable Fuses | - |
| Brand | Littelfuse | Littelfuse | - |
| Pd Power Dissipation | 1.41 W | - | - |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC | - |
| Factory Pack Quantity | 2000 | 500 | - |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses | - |
| Tradename | PolySwitch | PolySwitch | - |
| Part # Aliases | D57781-000 RF2769-000 | F99454-000 RF2560-000 | - |
| Unit Weight | - | 0.013369 oz | - |