Radial PTC resettable fuse with 500mA hold current and 1A trip current, rated for 60V DC. Features 40A maximum interrupt current, 750mW power dissipation, and 4-second time to trip. Constructed with polymer and epoxy body material, it offers a 7.9mm body diameter and 0.51mm lead diameter. Operating temperature range from -40°C to 85°C, with UL, CSA, and TUV approvals. RoHS compliant and lead-free, supplied in bulk packaging.
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Bourns MF-R050 technical specifications.
| Approvals | UL, CSA, TUV |
| Body Diameter | 7.9mm |
| Body Height | 13.7mm |
| Body Length | 7.9mm |
| Body Material | Polymer, Epoxy |
| Package/Case | Radial |
| Current Rating | 40A |
| Diameter | 7.9mm |
| Flammability Rating | UL94 V-0 |
| Height | 13.7mm |
| Hold Current | 500mA |
| Lead Diameter | 0.51mm |
| Lead Free | Lead Free |
| Lead Length | 7.6mm |
| Lead Pitch | 5.1mm |
| Max Current Rating | 40A |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 750mW |
| Mount | Through Hole, PCB |
| Operating Supply Voltage | 60V |
| Package Quantity | 500 |
| Packaging | Bulk |
| Power Dissipation | 750mW |
| Reach SVHC Compliant | No |
| Resistance | 770mR |
| RoHS Compliant | Yes |
| Series | MF-R |
| Termination | Radial |
| Time to Trip | 4s |
| Trip Current | 1A |
| Voltage Rating | 60V |
| DC Rated Voltage | 60V |
| Width | 7.9mm |
| Wire/Cable Diameter | 0.51mm |
| RoHS | Compliant |
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