Radial leaded, through-hole mount PTC resettable fuse designed for overcurrent protection. Features a 1.85A hold current and 3.7A trip current, with a 30V DC rated voltage and 40A maximum current rating. Offers a low 70mR resistance and operates within a -40°C to 85°C temperature range. Approvals include UL, CSA, and TUV, with RoHS compliance.
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Bourns MF-R185-2 technical specifications.
| Approvals | UL, CSA, TUV |
| Package/Case | Radial |
| Current Rating | 40A |
| Hold Current | 1.85A |
| Lead Diameter | 0.51mm |
| Lead Pitch | 5.1mm |
| Max Current Rating | 40A |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Mount | Through Hole |
| Operating Supply Voltage | 30V |
| Package Quantity | 1500 |
| Packaging | Tape and Reel |
| Power Dissipation | 1W |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Resistance | 70mR |
| RoHS Compliant | Yes |
| Series | MF-R |
| Termination | Radial |
| Time to Trip | 8.7s |
| Trip Current | 3.7A |
| Voltage Rating | 30V |
| DC Rated Voltage | 30V |
| RoHS | Compliant |
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