| PartNumber | SMD100F/33-2 | SMD100F-2018-2 | SMD100F-2 |
| Description | Resettable Fuses - PPTC 1.1A 33V 40A Imax | Resettable Fuses - PPTC 1.1A 15V 40A Imax | Resettable Fuses - PPTC 30V 40A IMAX |
| Manufacturer | Littelfuse | TE Connectivity Raychem Circuit Protection | TE Connectivity Raychem Circuit Protection |
| Product Category | Resettable Fuses - PPTC | PTC Resettable Fuses | PTC Resettable Fuses |
| RoHS | Y | - | - |
| Series | SMD | PolySwitchR | PolySwitchR |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Hold Current | 1.1 A | 1.1 A | 1.1 A |
| Maximum Voltage | 33 V | 15 VDC | 30 VDC |
| Trip Current | 2.2 A | 2.2 A | 2.2 A |
| Current Rating Max | 40 A | - | - |
| Resistance | 410 mOhms | 0.4 Ohms | 0.48 Ohms |
| Package / Case | 2920 (7351 metric) | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging |
| Height | 3 mm | 1.52 mm | 3 mm |
| Length | 7.98 mm | 5.44 mm | 7.98 mm |
| Type | PolySwitch Resettable Fuses | PolySwitch Resettable Fuses | PolySwitch Resettable Fuses |
| Width | 5.44 mm | 4.93 mm | 5.44 mm |
| Brand | Littelfuse | - | - |
| Moisture Sensitive | Yes | - | - |
| Pd Power Dissipation | 1.7 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | PolySwitch | - |
| Part # Aliases | A45463-000 RF0319-000 | - | - |
| Part Aliases | - | 638380-000 RF0324-000 | D97510-000 RF0318-000 |
| Operating Temperature Range | - | - 40 C to + 85 C | - 40 C to + 85 C |
| Package Case | - | 2-SMD | 2-SMD |
| Current Max | - | 40A | 40A |
| Current Hold Ih Max | - | 1.1A | 1.1A |
| Voltage Max | - | 15V | 30V |
| Current Trip It | - | 2.2A | 2.2A |
| R Min Max | - | 0.100 ~ 0.400 Ohm | 0.120 ~ 0.480 Ohm |
| Time to Trip | - | 0.5s | 0.5s |
| Current Rating Max | - | 40 A | 40 A |
| Pd Power Dissipation | - | 1.4 W | 1.7 W |