PTC resettable fuse for overcurrent protection, featuring a 1.85A hold current and 3.7A trip current. This radial component offers a 72V DC voltage rating and 60V AC rating, with a maximum current of 40A and 2.1W power dissipation. Designed for through-hole PCB mounting, it operates from -40°C to 85°C and meets UL, CSA, and TUV approvals. The fuse has a resistance of 120mΩ and a time to trip of 12.6 seconds.
PackageRadial
Resistance120mR
Voltage Rating72V
Current Rating40A
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Technical Specifications
Bourns MF-RX185/72-0 technical specifications.
General
| Approvals | UL, CSA, TUV |
| Body Height | 21.18mm |
| Body Length | 15.18mm |
| Body Material | Polymer, Epoxy |
| Package/Case | Radial |
| Current Rating | 40A |
| Flammability Rating | UL94 V-0 |
| Height | 3.1mm |
| Hold Current | 1.85A |
| Lead Diameter | 0.81mm |
| Lead Free | Lead Free |
| Lead Length | 7.6mm |
| Lead Pitch | 5.1mm |
| Length | 28.78mm |
| Max Current Rating | 40A |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Mount | Through Hole, PCB |
| Package Quantity | 500 |
| Packaging | Bulk |
| Power Dissipation | 2.1W |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Resistance | 120mR |
| RoHS Compliant | Yes |
| Series | Multifuse®, MF-RX/72 |
| Termination | Radial |
| Thickness | 3.1mm |
| Time to Trip | 12.6s |
| Trip Current | 3.7A |
| Voltage Rating | 72V |
| Voltage Rating (AC) | 60V |
| DC Rated Voltage | 72V |
| Width | 15.18mm |
| Wire/Cable Diameter | 0.81mm |
Compliance
| RoHS | Compliant |
Datasheet
Bourns MF-RX185/72-0 Datasheet
Download the complete datasheet for Bourns MF-RX185/72-0 to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
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