| PartNumber | 1812L110/24DR | 1812L110/16DR | 1812L110/33MR |
| Description | Resettable Fuses - PPTC PTC 24V POLY 1812 HALOGEN-FREE 1.10A | Resettable Fuses - PPTC 16V 1812 1.10A POLYFUSE | Resettable Fuses - PPTC PTC 33V 1.10A POLY SURF MOUNT |
| Manufacturer | Littelfuse | Littelfuse Inc. | Littelfuse Inc. |
| Product Category | Resettable Fuses - PPTC | PTC Resettable Fuses | PTC Resettable Fuses |
| RoHS | Y | - | - |
| Series | 1812L | POLY-FUSER, 1812L | POLY-FUSER, 1812L |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Hold Current | 1.1 A | 1.1 A | 1.1 A |
| Maximum Voltage | 24 V | 16 VDC | 33 VDC |
| Trip Current | 1.95 A | 1.95 A | 1.95 A |
| Current Rating Max | 100 A | - | - |
| Resistance | 200 mOhms | 0.18 Ohms | 0.2 Ohms |
| Package / Case | 1812 (4532 metric) | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging |
| Height | 1.25 mm | 0.75 mm | 1.2 mm |
| Length | 4.73 mm | 4.37 mm | 4.37 mm |
| Type | PolyFuse Resettable PTC | PolyFuse Resettable PTC | PolyFuse Resettable PTC |
| Width | 3.41 mm | 3.07 mm | 3.07 mm |
| Brand | Littelfuse | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 1500 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - 40 C to + 85 C |
| Package Case | - | 1812 (4532 Metric), Concave | 1812 (4532 Metric), Concave |
| Current Max | - | 100A | 20A |
| Current Hold Ih Max | - | 1.1A | 1.1A |
| Voltage Max | - | 16V | 33V |
| Current Trip It | - | 1.95A | 1.95A |
| R Min Max | - | 0.060 ~ 0.180 Ohm | 0.060 ~ 0.200 Ohm |
| Time to Trip | - | 0.3s | 0.5s |
| Current Rating Max | - | 100 A | 20 A |
| Pd Power Dissipation | - | 800 mW | 800 mW |