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| Part Number | RKEF300-2 | RKEF500-2 | RGEF300-2 |
|---|---|---|---|
| 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) | 3 A | 5 A | 3 A |
| Current - Trip (It) | 6 A | 10 A | 5.1 A |
| Time to Trip | 19.8 s | 28 s | 1 s |
| Resistance - Initial (Ri) (Min) | 30 mOhms | 12 mOhms | 38 mOhms |
| Resistance - Post Trip (R1) (Max) | 80 mOhms | 50 mOhms | 97.5 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 | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 1.140" L x 0.120" W (29.00mm x 3.00mm) | 0.260" L x 0.098" W (6.60mm x 2.50mm) |
| Height - Seated (Max) | 0.835" (21.20mm) | 1.142" (29.00mm) | 0.433" (11.00mm) |
| Thickness (Max) | - | - | - |
| Lead Spacing | 0.199" (5.05mm) | 0.400" (10.15mm) | 0.199" (5.05mm) |
