| PartNumber | AHRF400 | AHRF450-2 | AHRF450 |
| Description | Resettable Fuses - PPTC 4A 16V High Temp AEC-Q200 | Resettable Fuses - PPTC AHRF450-2 | Resettable Fuses - PPTC AHRF450 |
| Manufacturer | Littelfuse | - | TE Connectivity Raychem Circuit Protection |
| Product Category | Resettable Fuses - PPTC | - | PTC Resettable Fuses |
| RoHS | Y | - | - |
| Series | AHRF | - | PolySwitchR, AHRF |
| Mounting Style | Through Hole | - | Through Hole |
| Termination Style | Radial | - | Radial |
| Hold Current | 4 A | - | 4.5 A |
| Maximum Voltage | 16 V | - | 16 VDC |
| Trip Current | 7.4 A | - | 8.7 A |
| Current Rating Max | 100 A | - | - |
| Resistance | 60 mOhms | - | 0.054 Ohms |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Qualification | AEC-Q200 | - | - |
| Packaging | Bulk | - | Bulk Alternate Packaging |
| Type | AEC-Q200 | - | PolySwitch Resettable Devices |
| Brand | Littelfuse | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | E33413-000 RF3335-000 | - | - |
| Part Aliases | - | - | A05383-000 RF3196-000 |
| Operating Temperature Range | - | - | - 40 C to + 125 C |
| Package Case | - | - | Radial, Disc |
| Current Max | - | - | 100A |
| Current Hold Ih Max | - | - | 4.5A |
| Voltage Max | - | - | 16V |
| Current Trip It | - | - | 8.7A |
| R Min Max | - | - | 0.017 ~ 0.054 Ohm |
| Time to Trip | - | - | 4s |
| Current Rating Max | - | - | 100 A |
| Pd Power Dissipation | - | - | 3.6 W |