| Part Number | MF-RX250/72-2 | MF-RX050/72-2 |
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. |
| Category | PTC Resettable Fuses | PTC Resettable Fuses |
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| Product Status | Active | Active |
| Type | Polymeric | - |
| Voltage - Max | 72V | 72V |
| Current - Max | 40 A | 40 A |
| Current - Hold (Ih) (Max) | 2.5 A | 500 mA |
| Current - Trip (It) | 5 A | 1 A |
| Time to Trip | 15.6 s | 4 s |
| Resistance - Initial (Ri) (Min) | 50 mOhms | - |
| Resistance - Post Trip (R1) (Max) | 130 mOhms | - |
| Resistance - 25°C (Typ) | - | - |
| Operating Temperature | -40°C ~ 85°C | - |
| Ratings | - | - |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Radial, Disc | Radial, Disc |
| Size / Dimension | 0.702" L x 0.122" W (17.84mm x 3.10mm) | 0.311" Dia x 0.122" W (7.90mm x 3.10mm) |
| Height - Seated (Max) | 0.939" (23.84mm) | - |
| Thickness (Max) | - | - |
| Lead Spacing | 0.402" (10.20mm) | 0.201" (5.10mm) |