
Home / Products / Circuit Protection / PTC Resettable Fuses / RHEF400

| Part Number | RHEF400 |
| Datasheet | RHEF400 datasheet |
| Description | PTC RESET FUSE 16V 4A RADIAL |
| Manufacturer | Littelfuse Inc. |
| Series | PolySwitch®, RHEF |
| Part Status | Active |
| Type | Polymeric |
| Voltage - Max | 16V |
| Current - Max | 100A |
| Current - Hold (Ih) (Max) | 4A |
| Current - Trip (It) | 7.5A |
| Time to Trip | 5s |
| Resistance - Initial (Ri) (Min) | 24 mOhms |
| Resistance - Post Trip (R1) (Max) | 60 mOhms |
| Resistance - 25°C (Typ) | - |
| Operating Temperature | -40°C ~ 125°C |
| Ratings | - |
| Mounting Type | Through Hole |
| Package / Case | Radial, Disc |
| Size / Dimension | 0.394" L x 0.118" W (10.00mm x 3.00mm) |
| Height - Seated (Max) | 0.591" (15.00mm) |
| Thickness (Max) | - |
| Lead Spacing | 0.199" (5.05mm) |