 |  |  | |
| PartNumber | LR4-550F | LR4-550 | LR4-550RAF |
| Description | Resettable Fuses - PPTC 5.5A 20V 100A Imax | Resettable Fuses - PPTC 5.5A 20V 100A Imax | Resettable Fuses - PPTC 5.5A STRAP Polyswitch PTC RESET |
| Manufacturer | Littelfuse | TE Connectivity Raychem Circuit Protection | - |
| Product Category | Resettable Fuses - PPTC | PTC Resettable Fuses | - |
| RoHS | Y | - | - |
| Series | LR4 | PolySwitchR | - |
| Mounting Style | Strap | Strap | - |
| Termination Style | Axial | Axial | - |
| Hold Current | 5.5 A | 5.5 A | - |
| Maximum Voltage | 20 V | 20 VDC | - |
| Trip Current | 10.5 A | 10.5 A | - |
| Current Rating Max | 100 A | - | - |
| Resistance | 16 mOhms | 0.016 Ohms | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Packaging | Bulk | Bulk | - |
| Height | 1 mm | 1 mm | - |
| Length | 37 mm | 37 mm | - |
| Type | PolySwitch Resettable Devices | PolySwitch Resettable Devices | - |
| Width | 7.5 mm | 7.5 mm | - |
| Brand | Littelfuse | - | - |
| Pd Power Dissipation | 2 W | - | - |
| Product Type | Resettable Fuses - PPTC | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | PPTC Resettable Fuses | - | - |
| Tradename | PolySwitch | - | - |
| Part # Aliases | E74816-000 RF1545-000 | - | - |
| Part Aliases | - | E74816-000 RF1545-000 | - |
| Operating Temperature Range | - | - 40 C to + 125 C | - |
| Package Case | - | Strap | - |
| Current Max | - | 100A | - |
| Current Hold Ih Max | - | 5.5A | - |
| Voltage Max | - | 20V | - |
| Current Trip It | - | 10.5A | - |
| R Min Max | - | 0.009 ~ 0.016 Ohm | - |
| Time to Trip | - | 5s | - |
| Current Rating Max | - | 100 A | - |
| Pd Power Dissipation | - | 2 W | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Littelfuse |
LR4-550F | Resettable Fuses - PPTC 5.5A 20V 100A Imax | |
| LR4-550RAF | Resettable Fuses - PPTC 5.5A STRAP Polyswitch PTC RESET | ||
| LR4-550F | Resettable Fuses - PPTC 5.5A 20V 100A Imax | ||
| LR4-550 | Resettable Fuses - PPTC 5.5A 20V 100A Imax | ||
| LR4-550RF | Resettable Fuses - PPTC 20V 5.5A Ih 0.016ohm |