Features Applications Radial leaded devices Food blenders, coffee machines Cured, flame retardant epoxy polymer HVAC insulating material meets UL 94V-0 Electric fans, blowers requirements AC adaptors Bulk packaging, tape and reel available Resettable circuit protection Agency recognition: RoHS compliant* and halogen free** MF-RM Series - Line Voltage PTC Resettable Fuses Electrical Characteristics 1 Hour Tripped Maximum Max. Initial Post-Trip Max. Time To Agency I I Power hold trip Voltage Current Resistance Resistance Trip Recognition Dissipation R 1max Model Min. Max. Typ. Oper. Inter. I at 23 C at 23 C cUL TV max at 23 C at 23 C at 23 C VAC VAC Amps Amps Ohms Ohms Amps Seconds Watts E174545 50232433 MF-RM005/240 240 265 1.0 0.05 0.12 18.5 65.0 0.25 10.0 0.9 MF-RM008/240 240 265 1.2 0.08 0.19 7.4 26.0 0.40 10.0 0.9 MF-RM012/240 240 265 1.2 0.12 0.30 3.0 12.0 0.60 15.0 1.0 MF-RM016/240 240 265 2.0 0.16 0.37 2.5 7.80 0.80 15.0 1.4 MF-RM025/240 240 265 3.5 0.25 0.56 1.3 3.80 1.25 18.5 1.5 MF-RM033/240 240 265 4.5 0.33 0.74 0.77 2.60 1.65 21.0 1.7 MF-RM040/240 240 265 5.5 0.40 0.90 0.60 1.90 2.00 24.0 2.0 MF-RM055/240 240 265 7.0 0.55 1.25 0.45 1.45 2.75 26.0 3.4 Environmental Characteristics Additional Information Click these links for more information: Item Condition Criteria Operating Temperature -20 C to +85 C PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT Recommended Storage +40 C max. / 70 % R.H. max. SELECTOR LIBRARY 20 % typical resistance Passive Aging +85 C, 1000 hours change 20 % typical resistance Humidity Aging +85 C, 85 % R.H. 1000 hours change 15 % typical resistance Thermal Shock -40 C to +85 C, 10 times change No change Solvent Resistance MIL-STD-202, Method 215 (marking still legible) MIL-STD-883C, Method 2007.1 No change Vibration Condition A (R R R ) min 1max Moisture Sensitivity Level See Note (MSL) ESD Classication Class 6 (per AEC-Q200-2, HBM) * RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less (b) the Chlorine (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. WARNING Specifications are subject to change without notice. Users should verify actual device performance in their specific Cancer and Reproductive Harm applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last www.P65Warnings.ca.gov page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. RoHS COMPLIANT* & HALOGEN FREE**Advantages Benefits Resettable feature with overtemperature and overcurrent protection Reduced repair and replacement costs can save expensive components from having to be replaced after Reduced nuisance tripping tripping, e.g., transformers with built in thermal fuses Combined overcurrent and overtemperature protector in one device Faster than bimetallic switch designs that take on average approximately 30 seconds to cool down and reset Generally lower electromagnetic interference than bimetallic switches MF-RM Series - Line Voltage PTC Resettable Fuses Test Procedures and Requirements Item Test Conditions Accept/Reject Criteria Visual/Mechanical Verify dimensions and materials Per MF physical description Resistance In still air 23 C R R R min max Time to Trip At specified current, V , 23 C, still air T max. time to trip (seconds) max Hold Current 30 min. at I , still air No trip hold Trip Cycle Life Operating voltage, I , 100 cycles No arcing or burning max Trip Endurance A Operating voltage, I , 24 hours No arcing or burning max Trip Endurance B Interrupt voltage, I , 30 minutes No arcing or burning max Solderability 245 C 5 C, 5 seconds 95 % min. coverage Thermal Derating Table - I (Amps) hold Ambient Operating Temperature Model -20 C 0 C 23 C 40 C 50 C 60 C 70 C 85 C MF-RM005/240 0.08 0.06 0.05 0.04 0.04 0.03 0.03 0.02 MF-RM008/240 0.12 0.10 0.08 0.07 0.06 0.05 0.04 0.03 MF-RM012/240 0.18 0.15 0.12 0.10 0.09 0.07 0.06 0.04 MF-RM016/240 0.24 0.20 0.16 0.13 0.11 0.10 0.08 0.05 MF-RM025/240 0.38 0.32 0.25 0.21 0.18 0.15 0.13 0.09 MF-RM033/240 0.50 0.42 0.33 0.27 0.23 0.20 0.17 0.11 MF-RM040/240 0.61 0.51 0.40 0.33 0.28 0.24 0.20 0.14 MF-RM055/240 0.80 0.68 0.55 0.46 0.40 0.35 0.29 0.22 Typical Time to Trip at 23 C How to Order MF - RM 005 / 240 - 2 - 17 100 D F G H C E Multifuse B A Product Designator Series A = MF-RM005/240 10 RM = Radial Leaded B = MF-RM008/240 Line Voltage C = MF-RM012/240 Component D = MF-RM016/240 E = MF-RM025/240 Hold Current, I hold F = MF-RM033/240 005-055 (0.05 A - 0.55 A) G = MF-RM040/240 1 Operating Voltage, V max H = MF-RM055/240 240 = 240 Vac Packaging Options - 0 = Bulk Packaging - 2 = Tape and Reel per EIA-468 0.1 Part Number Suffix Option 0.1 101 - 17 = Straight Leads where Kinked Leads are Standard Fault Current (Amps) The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specic customer applications may differ from these values due to the inuence of other variables. Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Time to Trip (Seconds)