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| PartNumber | SMD1812P110TFA | SMD1812P110TSA | SMD1812P110TSA/16 |
| Description | Resettable Fuses - PPTC | Resettable Fuses - PPTC | PTC RESET FUSE 16V 1.1A 1812 |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse Inc. |
| Product Category | Resettable Fuses - PPTC | Resettable Fuses - PPTC | PTC Resettable Fuses |
| RoHS | Y | N | - |
| Series | SMD-P | SMD-P | POLYFUSER SMD1812 |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Hold Current | 1.1 A | 1.1 A | - |
| Maximum Voltage | 6 V | 6 V | - |
| Trip Current | 1.95 A | 1.95 A | - |
| Current Rating Max | 40 A | 40 A | - |
| Resistance | 210 mOhms | 210 mOhms | - |
| Package / Case | 1812 (4532 metric) | 1812 (4532 metric) | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | - | Tape & Reel (TR) |
| Length | 4.73 mm | 4.73 mm | - |
| Type | PolyFuse Resettable Fuses | PolyFuse Resettable Fuses | - |
| Width | 3.41 mm | 3.41 mm | - |
| Brand | Littelfuse | Littelfuse | - |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses | - |
| Tradename | POLY-FUSE | POLY-FUSE | - |
| Package Case | - | - | 1812 (4532 Metric), Concave |
| Current Max | - | - | 40A |
| Current Hold Ih Max | - | - | 1.1A |
| Voltage Max | - | - | 16V |
| Current Trip It | - | - | 1.95A |
| R Min Max | - | - | 0.060 ~ 0.180 Ohm |
| Time to Trip | - | - | 0.5s |