| PartNumber | 1812L050/60MR | 1812L050PR | 1812L050/30PR |
| Description | Resettable Fuses - PPTC PTC 60V POLYFUSE SURF MOUNT 1812 0.5A | Resettable Fuses - PPTC 1812 15V .5A | Resettable Fuses - PPTC PTC 30V POLY SURF MOUNT 1812 .500A |
| Manufacturer | Littelfuse | Littelfuse Inc. | Littelf |
| 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 | Solder | SMD/SMT | SMD/SMT |
| Hold Current | 0.5 A | 0.5 A | 0.5 A |
| Maximum Voltage | 60 VDC | 15 VDC | 30 VDC |
| Trip Current | 1 A | 1 A | 1 A |
| Current Rating Max | 10 A | - | - |
| Resistance | 0.15 Ohms to 1 Ohms | 1 Ohms | 1 Ohms |
| Package / Case | 1812 (4532 metric) | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Height | 1.8 mm | 0.5 mm | 1 mm |
| Length | 4.73 mm | 4.37 mm | 4.73 mm |
| Type | Poly-Fuse Surface Mount Resettable PTC | PolyFuse Resettable PTC | PolyFuse Resettable PTC |
| Width | 3.41 mm | 3.07 mm | 3.41 mm |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 1.5 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | POLY-FUSE | - | - |
| Packaging | - | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging |
| 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 | 100A |
| Current Hold Ih Max | - | 500mA | 500mA |
| Voltage Max | - | 15V | 30V |
| Current Trip It | - | 1A | 1A |
| R Min Max | - | 0.150 ~ 1.000 Ohm | 0.150 ~ 1.000 Ohm |
| Time to Trip | - | 0.15s | 0.15s |
| Current Rating Max | - | 100 A | 100 A |
| Pd Power Dissipation | - | 800 mW | 800 mW |