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| Part Number | RKEF075 | RKEF375 | RKEF065 |
|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active |
| Type | Polymeric | Polymeric | Polymeric |
| Voltage - Max | 60V | 60V | 60V |
| Current - Max | 40 A | 40 A | 40 A |
| Current - Hold (Ih) (Max) | 750 mA | 3.75 A | 650 mA |
| Current - Trip (It) | 1.5 A | 7.5 A | 1.3 A |
| Time to Trip | 1.5 s | 22 s | 1 s |
| Resistance - Initial (Ri) (Min) | 200 mOhms | 17 mOhms | 250 mOhms |
| Resistance - Post Trip (R1) (Max) | 640 mOhms | 60 mOhms | 720 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 | 0.310" L x 0.140" W (7.87mm x 3.56mm) | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.280" L x 0.140" W (7.10mm x 3.56mm) |
| Height - Seated (Max) | 0.480" (12.20mm) | 0.992" (25.20mm) | 0.480" (12.20mm) |
| Thickness (Max) | - | - | - |
| Lead Spacing | 0.199" (5.05mm) | 0.199" (5.05mm) | 0.199" (5.05mm) |
