| Categories | Circuit Protection |
| PTC Resettable Fuses | |
| Manufacturer | Bourns Inc. |
| Series | Multifuse®, MF-R |
| Packaging | Cut Tape (CT) |
| Part Status | Active |
| Type | Polymeric |
| Voltage - Max | 60V |
| Current - Max | 40A |
| Current - Hold (Ih) (Max) | 500mA |
| Current - Trip (It) | 1A |
| Time to Trip | 4s |
| Resistance - Initial (Ri) (Min) | 410 mOhms |
| Resistance - Post Trip (R1) (Max) | 1.17 Ohms |
| Operating Temperature | -40°C ~ 85°C |
| Ratings | - |
| Mounting Type | Through Hole |
| Package / Case | Radial, Disc |
| Size / Dimension | 0.311'' Dia x 0.122'' T (7.90mm x 3.10mm) |
| Height - Seated (Max) | 0.539'' (13.70mm) |
| Thickness (Max) | - |
| Lead Spacing | 0.201'' (5.10mm) |
| Approval Agency | cURus, TUV |
| Base Part Number | MF-R050 |
Malaysia