Radial leaded, through-hole mount PTC resettable fuse with a 3A hold current and 6A trip current. Features a 40A maximum current rating, 30V operating supply voltage, and 50mΩ resistance. Operates within a -40°C to 85°C temperature range and boasts UL, CSA, and TUV approvals. Compliant with RoHS standards and UL94 V-0 flammability rating.
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Bourns MF-R300-0-99 technical specifications.
| Approvals | UL, CSA, TUV |
| Package/Case | Radial |
| Current Rating | 40A |
| Flammability Rating | UL94 V-0 |
| Hold Current | 3A |
| Lead Diameter | 0.81mm |
| Lead Length | 7.6mm |
| Lead Pitch | 5.1mm |
| Length | 18.3mm |
| Max Current Rating | 40A |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Mount | Through Hole |
| Operating Supply Voltage | 30V |
| Package Quantity | 500 |
| Packaging | Bulk |
| Power Dissipation | 2W |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Resistance | 50mR |
| RoHS Compliant | Yes |
| Series | MF-R |
| Termination | Radial |
| Time to Trip | 10.8s |
| Trip Current | 6A |
| Voltage Rating (AC) | 30V |
| DC Rated Voltage | 30V |
| RoHS | Compliant |
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