| PartNumber | SMD1206P025TFA | SMD1206P020TSA | SMD1206P020TFA |
| Description | Resettable Fuses - PPTC | Resettable Fuses - PPTC | Resettable Fuses - PPTC |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Resettable Fuses - PPTC | Resettable Fuses - PPTC | Resettable Fuses - PPTC |
| RoHS | Y | Y | Y |
| Series | SMD-P | SMD-P | SMD-P |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Hold Current | 250 mA | 200 mA | 200 mA |
| Maximum Voltage | 16 V | 16 V | 16 V |
| Trip Current | 500 mA | 400 mA | 400 mA |
| Current Rating Max | 40 A | 40 A | 40 A |
| Resistance | 2.3 Ohms | 2.5 Ohms | 2.5 Ohms |
| Package / Case | 1206 (3216 metric) | 1206 (3216 metric) | 1206 (3216 metric) |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | - | Reel |
| Length | 3.5 mm | 3.5 mm | 3.5 mm |
| Type | PolyFuse Resettable Fuses | PolyFuse Resettable Fuses | PolyFuse Resettable Fuses |
| Width | 1.8 mm | 1.8 mm | 1.8 mm |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC | Resettable Fuses - PPTC |
| Factory Pack Quantity | 4000 | - | 4000 |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses | PPTC Resettable Fuses |
| Tradename | POLY-FUSE | POLY-FUSE | POLY-FUSE |