| PartNumber | LR4-380SSF | LR4-380F | LR4-380LF |
| Description | Resettable Fuses - PPTC 3.8A 15V 100A Imax | Resettable Fuses - PPTC LR4-380F | Resettable Fuses - PPTC |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Resettable Fuses - PPTC | Resettable Fuses - PPTC | Resettable Fuses - PPTC |
| RoHS | Y | Y | Y |
| Series | LR4 | LR4 | LR4 |
| Mounting Style | Strap | Strap | Strap |
| Termination Style | Axial | Axial | Axial |
| Hold Current | 3.8 A | 3.8 A | 3.8 A |
| Maximum Voltage | 15 V | 15 V | 15 V |
| Trip Current | 8.3 A | 8.3 A | 8.3 A |
| Current Rating Max | 100 A | 100 A | 100 A |
| Resistance | 26 mOhms | 26 mOhms | 26 mOhms |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Packaging | Bulk | Bulk | Bulk |
| Type | PolySwitch Resettable Devices | PolySwitch Resettable Devices | PolySwitch Resettable Devices |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | Resettable Fuses - PPTC | Resettable Fuses - PPTC | Resettable Fuses - PPTC |
| Factory Pack Quantity | 2000 | 1000 | 1000 |
| Subcategory | PPTC Resettable Fuses | PPTC Resettable Fuses | PPTC Resettable Fuses |
| Tradename | PolySwitch | PolySwitch | PolySwitch |
| Part # Aliases | C91934-000 | A32896-000 RF1536-000 | F33951-000 |
| Height | - | 1 mm | - |
| Length | - | 26 mm | - |
| Width | - | 7.5 mm | - |
| Pd Power Dissipation | - | 2.5 W | - |