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| PartNumber | 250R145-RAU | 250R145 | 250R145-RA 250R145-RBU |
| Description | Resettable Fuses - PPTC PTC 60V/250V.145A POLY TELECOM | PTC Resettable Fuse, 3ohm, Through Hole Mount | |
| Manufacturer | Littelfuse | Littelfuse Inc. | - |
| Product Category | Resettable Fuses - PPTC | PTC Resettable Fuses | - |
| RoHS | Y | - | - |
| Series | 250R | POLY-FUSER, 250R | - |
| Mounting Style | Through Hole | Through Hole | - |
| Termination Style | Radial | Radial | - |
| Hold Current | 145 mA | 0.145 A | - |
| Maximum Voltage | 60 V | 60 VDC | - |
| Trip Current | 290 mA | 0.29 A | - |
| Current Rating Max | 3 A | - | - |
| Resistance | 12 Ohms | 12 Ohms | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Bulk | Bulk Alternate Packaging | - |
| Type | PolyFuse Resettable PTC | PolyFuse Resettable PTC | - |
| Brand | Littelfuse | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | POLYFUSE | - | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - |
| Package Case | - | Radial, Disc | - |
| Current Max | - | 3A | - |
| Current Hold Ih Max | - | 145mA | - |
| Voltage Max | - | 250V | - |
| Current Trip It | - | 290mA | - |
| R Min Max | - | 3.000 ~ 12.00 Ohm | - |
| Time to Trip | - | 5s | - |
| Current Rating Max | - | 3 A | - |