
Home / Products / Circuit Protection / PTC Resettable Fuses / LR4-450F

| Part Number | LR4-450F |
| Datasheet | LR4-450F datasheet |
| Description | PTC RESET FUSE 20V 4.5A STRAP |
| Manufacturer | Littelfuse Inc. |
| Series | PolySwitch®, LR4 |
| Part Status | Active |
| Type | Polymeric |
| Voltage - Max | 20V |
| Current - Max | 100A |
| Current - Hold (Ih) (Max) | 4.5A |
| Current - Trip (It) | 8.9A |
| Time to Trip | 5s |
| Resistance - Initial (Ri) (Min) | 11 mOhms |
| Resistance - Post Trip (R1) (Max) | 28 mOhms |
| Resistance - 25°C (Typ) | - |
| Operating Temperature | -40°C ~ 85°C |
| Ratings | - |
| Mounting Type | User Defined |
| Package / Case | Strap |
| Size / Dimension | 0.984" L x 0.413" W (25.00mm x 10.50mm) |
| Height - Seated (Max) | - |
| Thickness (Max) | 0.039" (1.00mm) |
| Lead Spacing | - |