| Part Number | RXEF075 | RXEF375 |
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. |
| Category | PTC Resettable Fuses | PTC Resettable Fuses |
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| Product Status | Active | Active |
| Type | Polymeric | Polymeric |
| Voltage - Max | 72V | 72V |
| Current - Max | 40 A | 40 A |
| Current - Hold (Ih) (Max) | 750 mA | 3.75 A |
| Current - Trip (It) | 1.5 A | 7.5 A |
| Time to Trip | 6.3 s | 24 s |
| Resistance - Initial (Ri) (Min) | 250 mOhms | 30 mOhms |
| Resistance - Post Trip (R1) (Max) | 600 mOhms | 80 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 | 0.402" Dia x 0.118" T (10.20mm x 3.00mm) | 1.071" Dia x 0.118" T (27.20mm x 3.00mm) |
| Height - Seated (Max) | 0.598" (15.20mm) | 1.252" (31.80mm) |
| Thickness (Max) | - | - |
| Lead Spacing | 0.199" (5.05mm) | 0.400" (10.15mm) |