| PartNumber | SMD300F-2 | SMD300F/15-2 | SMD300-2 |
| Description | Resettable Fuses - PPTC 3A 6V 40A Imax | Resettable Fuses - PPTC 15V 40A 0.05Ohms | PTC RESET FUSE 6V 3A 2SMD |
| Manufacturer | Littelfuse | Littelfuse | TE Connectivity Raychem Circuit Protection |
| Product Category | Resettable Fuses - PPTC | Resettable Fuses - PPTC | PTC Resettable Fuses |
| RoHS | Y | Y | - |
| Series | SMD | SMD | PolySwitchR |
| 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 | Digi-ReelR |
| 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 | - |
| Package Case | - | - | 2-SMD |
| Current Max | - | - | 40A |
| Current Hold Ih Max | - | - | 3A |
| Voltage Max | - | - | 6V |
| Current Trip It | - | - | 8A |
| R Min Max | - | - | 0.015 ~ 0.048 Ohm |
| Time to Trip | - | - | 35s |