
Home / Products / Circuit Protection / PTC Resettable Fuses / 1812L125DR

| Part Number | 1812L125DR |
| Description | PTC RESET FUSE 1.25A 1812 |
| Manufacturer | Littelfuse Inc. |
| Series | POLY-FUSE®, 1812L |
| Part Status | Obsolete |
| Type | Polymeric |
| Voltage - Max | - |
| Current - Max | 100A |
| Current - Hold (Ih) (Max) | 1.25A |
| Current - Trip (It) | 2.5A |
| Time to Trip | 400ms |
| Resistance - Initial (Ri) (Min) | 50 mOhms |
| Resistance - Post Trip (R1) (Max) | 140 mOhms |
| Resistance - 25°C (Typ) | - |
| Operating Temperature | -40°C ~ 85°C |
| Ratings | - |
| Mounting Type | Surface Mount |
| Package / Case | 1812 (4532 Metric), Concave |
| Size / Dimension | 0.179" L x 0.128" W (4.55mm x 3.24mm) |
| Height - Seated (Max) | - |
| Thickness (Max) | 0.049" (1.25mm) |
| Lead Spacing | - |