| PartNumber | SMD150F-2018-2 | SMD150F-2 | SMD150F/33-2 |
| Description | Resettable Fuses - PPTC 1.5A 15V 40A Imax | Resettable Fuses - PPTC 1.5A 15V 40A Imax | Resettable Fuses - PPTC 1.5A 33V 40A Imax |
| Manufacturer | Littelfuse | - | TE Connectivity Raychem Circuit Protection |
| Product Category | Resettable Fuses - PPTC | - | PTC Resettable Fuses |
| RoHS | Y | - | - |
| Series | midSMD | - | PolySwitchR |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Termination Style | SMD/SMT | - | SMD/SMT |
| Hold Current | 1.5 A | - | 1.5 A |
| Maximum Voltage | 15 V | - | 33 VDC |
| Trip Current | 3 A | - | 3 A |
| Current Rating Max | 40 A | - | - |
| Resistance | 180 mOhms | - | 0.23 Ohms |
| Package / Case | 2018 (5050 metric) | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Reel | - | Digi-ReelR Alternate Packaging |
| Height | 1.52 mm | - | 3 mm |
| Length | 5.44 mm | - | 9.4 mm |
| Type | PolySwitch Resettable Fuses | - | PolySwitch Resettable Fuses |
| Width | 4.93 mm | - | 6.71 mm |
| Brand | Littelfuse | - | - |
| Moisture Sensitive | Yes | - | - |
| Pd Power Dissipation | 1.8 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 4000 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | 253766-000 RF0325-000 | - | - |
| Part Aliases | - | - | E07221-000 RF0311-000 |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Package Case | - | - | 2-SMD |
| Current Max | - | - | 40A |
| Current Hold Ih Max | - | - | 1.5A |
| Voltage Max | - | - | 33V |
| Current Trip It | - | - | 3A |
| R Min Max | - | - | 0.080 ~ 0.230 Ohm |
| Time to Trip | - | - | 5s |
| Current Rating Max | - | - | 40 A |
| Pd Power Dissipation | - | - | 1.9 W |