| Part Number | RGEF400K-AP | RGEF500K-AP |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Category | PTC Resettable Fuses | PTC Resettable Fuses |
|
|
|
| Product Status | Active | Active |
| Type | Polymeric | Polymeric |
| Voltage - Max | 16V | 16V |
| Current - Max | 100 A | 100 A |
| Current - Hold (Ih) (Max) | 4 A | 5 A |
| Current - Trip (It) | 6.8 A | 8.5 A |
| Time to Trip | 1.7 s | 2 s |
| Resistance - Initial (Ri) (Min) | 21 mOhms | 15 mOhms |
| Resistance - Post Trip (R1) (Max) | 60 mOhms | 34 mOhms |
| Resistance - 25°C (Typ) | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Ratings | - | - |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Radial, Disc | Radial, Disc |
| Size / Dimension | 0.331" L x 0.098" W (8.40mm x 2.50mm) | 0.390" L x 0.098" W (9.90mm x 2.50mm) |
| Height - Seated (Max) | 0.504" (12.80mm) | 0.563" (14.30mm) |
| Thickness (Max) | - | - |
| Lead Spacing | 0.199" (5.05mm) | 0.199" (5.05mm) |