Radial PTC resettable fuse offering 0.4A hold current and 0.8A trip current. Features a 60V DC operating voltage, 40A maximum current rating, and 0.55W power dissipation. Constructed with polymer and epoxy body materials, it has a UL94 V-0 flammability rating and operates between -40°C and 85°C. This lead-free component is RoHS compliant and suitable for through-hole PCB mounting.
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Bourns MF-R040 technical specifications.
| Approvals | UL, CSA, TUV |
| Body Height | 13.7mm |
| Body Length | 7.4mm |
| Body Material | Polymer, Epoxy |
| Package/Case | Radial |
| Current Rating | 40A |
| Diameter | 7.4mm |
| Flammability Rating | UL94 V-0 |
| Height | 13.7mm |
| Hold Current | 400mA |
| 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 | 550mW |
| Mount | Through Hole, PCB |
| Operating Supply Voltage | 60V |
| Package Quantity | 500 |
| Packaging | Bulk |
| Power Dissipation | 550mW |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Resistance | 860mR |
| RoHS Compliant | Yes |
| Series | MF-R |
| Termination | Radial |
| Time to Trip | 3.8s |
| Trip Current | 800mA |
| Voltage Rating | 60V |
| DC Rated Voltage | 60V |
| Width | 7.4mm |
| Wire/Cable Diameter | 0.51mm |
| RoHS | Compliant |
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