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| Part Number | RKEF500-1 | RKEF500-2 | RGEF500-1 |
|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active |
| Type | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 60V | 60V | 16V |
| Current - Max | 40 A | 40 A | 100 A |
| Current - Hold (Ih) (Max) | 5 A | 5 A | 5 A |
| Current - Trip (It) | 10 A | 10 A | 8.5 A |
| Time to Trip | 28 s | 28 s | 2 s |
| Resistance - Initial (Ri) (Min) | 12 mOhms | 12 mOhms | 15 mOhms |
| Resistance - Post Trip (R1) (Max) | 50 mOhms | 50 mOhms | 34 mOhms |
| Resistance - 25°C (Typ) | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Ratings | - | - | - |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | Radial, Disc | Radial, Disc | Radial, Disc |
| Size / Dimension | 0.949" L x 0.118" W (24.10mm x 3.00mm) | 1.140" L x 0.120" W (29.00mm x 3.00mm) | 0.390" L x 0.098" W (9.90mm x 2.50mm) |
| Height - Seated (Max) | 1.142" (29.00mm) | 1.142" (29.00mm) | 0.563" (14.30mm) |
| Thickness (Max) | - | - | - |
| Lead Spacing | 0.400" (10.15mm) | 0.400" (10.15mm) | 0.199" (5.05mm) |
