| Part Number | MF-RX300/72-2 | MF-RX300/72-0 |
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns 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) | 3 A | 3 A |
| Current - Trip (It) | 6 A | 6 A |
| Time to Trip | 19.8 s | 19.8 s |
| Resistance - Initial (Ri) (Min) | 40 mOhms | 40 mOhms |
| Resistance - Post Trip (R1) (Max) | 100 mOhms | 100 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 | 0.814" L x 0.122" W (20.67mm x 3.10mm) | 0.980" L x 0.122" W (24.90mm x 3.10mm) |
| Height - Seated (Max) | 1.050" (26.67mm) | 1.181" (30.00mm) |
| Thickness (Max) | - | - |
| Lead Spacing | 0.402" (10.20mm) | 0.402" (10.20mm) |