| PartNumber | SMD2920P100TSA | SMD2920P100TFA | SMD2920P125TFA |
| 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 | 1.1 A | 1.1 A | 1.25 A |
| Maximum Voltage | 33 V | 33 V | 15 V |
| Trip Current | 2.2 A | 2.2 A | 2.5 A |
| Current Rating Max | 40 A | 40 A | 40 A |
| Resistance | 410 mOhms | 410 mOhms | 250 mOhms |
| Package / Case | 2920 (7351 metric) | 2920 (7351 metric) | 2920 (7351 metric) |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Length | 7.98 mm | 7.98 mm | 7.98 mm |
| Type | PolyFuse Resettable Fuses | PolyFuse Resettable Fuses | PolyFuse Resettable Fuses |
| Width | 5.44 mm | 5.44 mm | 5.44 mm |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC | Resettable Fuses - PPTC |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses | PPTC Resettable Fuses |
| Tradename | PolySwitch | PolySwitch | PolySwitch |
| Packaging | - | Reel | Reel |
| Factory Pack Quantity | - | 2000 | 2000 |