Radial PTC resettable fuse with a 2.5A hold current and 5A trip current, designed for 30V DC operation. Features a 40A maximum current rating, 1.2W power dissipation, and a time to trip of 10.3 seconds at 5A. This through-hole component has a low resistance of 48mΩ and operates within a temperature range of -40°C to 85°C. The body dimensions are 12mm x 3mm x 18.3mm, with a 5.1mm lead pitch and 0.81mm lead diameter. UL, CSA, and TUV approved, this RoHS compliant device is supplied in bulk packaging.
PackageRadial
Resistance48mR
Voltage Rating30V
Current Rating40A
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Technical Specifications
Bourns MF-R250 technical specifications.
General
| Approvals | UL, CSA, TUV |
| Body Diameter | 12mm |
| Body Height | 18.3mm |
| Body Length | 12mm |
| Body Material | Polymer, Epoxy |
| Package/Case | Radial |
| Current Rating | 40A |
| Flammability Rating | UL94 V-0 |
| Height | 18.3mm |
| Hold Current | 2.5A |
| Lead Diameter | 0.81mm |
| Lead Free | Lead Free |
| Lead Length | 7.6mm |
| Lead Pitch | 5.1mm |
| Length | 12mm |
| Max Current Rating | 40A |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 1.2W |
| Mount | Through Hole, PCB |
| Operating Supply Voltage | 30V |
| Package Quantity | 500 |
| Packaging | Bulk |
| Power Dissipation | 1.2W |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Resistance | 48mR |
| RoHS Compliant | Yes |
| Series | MF-R |
| Termination | Radial |
| Thickness | 3mm |
| Time to Trip | 10.3s |
| Trip Current | 5A |
| Voltage Rating | 30V |
| DC Rated Voltage | 30V |
| Width | 12mm |
| Wire/Cable Diameter | 0.81mm |
Compliance
| RoHS | Compliant |
Datasheet
Bourns MF-R250 Datasheet
Download the complete datasheet for Bourns MF-R250 to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
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