| PartNumber | SMD300F-2 | SMD300F/15-2 |
| Description | Resettable Fuses - PPTC 3A 6V 40A Imax | Resettable Fuses - PPTC 15V 40A 0.05Ohms |
| Manufacturer | Littelfuse | Littelfuse |
| Product Category | Resettable Fuses - PPTC | Resettable Fuses - PPTC |
| RoHS | Y | Y |
| Series | SMD | SMD |
| Mounting Style | SMD/SMT | SMD/SMT |
| Termination Style | SMD/SMT | SMD/SMT |
| Hold Current | 3 A | 3 A |
| Maximum Voltage | 6 V | 15 V |
| Trip Current | 6 A | 6 A |
| Current Rating Max | 40 A | 40 A |
| Resistance | 48 mOhms | 50 mOhms |
| Package / Case | 2920 (7351 metric) | 2920 (7351 metric) |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Packaging | Reel | Reel |
| Height | 3 mm | 4.8 mm |
| Length | 7.98 mm | 7.98 mm |
| Type | PolySwitch Resettable Fuses | PolySwitch Resettable Fuses |
| Width | 5.44 mm | 5.44 mm |
| Brand | Littelfuse | Littelfuse |
| Moisture Sensitive | Yes | Yes |
| Pd Power Dissipation | 1.5 W | 1.5 W |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC |
| Factory Pack Quantity | 2000 | 2000 |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses |
| Tradename | PolySwitch | PolySwitch |
| Part # Aliases | A62899-000 RF0322-000 | RF1835-000 |