RX110 4180S Features Applications n 72 V rated Almost anywhere there is a low voltage power supply, up to 72 V and a load to be n Cured, flame retardant epoxy polymer protected, including: insulating material meets UL 94 V-0 requirements n Security and fire alarm systems n RoHS compliant* and halogen free** n Loudspeakers n Power transformers n Agency recognition: MF-RX/72 Series - PTC Resettable Fuses Electrical Characteristics 1 Hour (R ) Tripped 1 Max. Time Agency Initial I I Post-Trip Power hold trip Resistance to Trip Recognition Resistance Dissipation V I max max Model at 23 C at 23 C at 23 C at 23 C at 23 C cUL TV Ohms Ohms Watts E174545 R50366745 Volts Amps Amps Min. Max. Max. Amps Seconds Typ. MF-RX020/72 72 40 0.20 0.40 1.50 2.84 4.40 1.00 2.2 0.40 3 3 MF-RX025/72 72 40 0.25 0.50 1.00 1.95 3.00 1.25 2.5 0.45 3 3 MF-RX030/72 72 40 0.30 0.60 0.76 1.36 2.10 1.50 3.0 0.50 3 3 MF-RX040/72 72 40 0.40 0.80 0.52 0.86 1.29 2.00 3.9 0.55 3 3 MF-RX050/72 72 40 0.50 1.00 0.41 0.77 1.17 2.50 4.0 0.75 3 3 MF-RX065/72 72 40 0.65 1.30 0.27 0.48 0.72 3.25 5.3 0.90 3 3 MF-RX075/72 72 40 0.75 1.50 0.18 0.40 0.60 3.75 6.3 0.90 3 3 MF-RX090/72 72 40 0.90 1.80 0.14 0.31 0.47 4.50 7.2 1.00 3 3 MF-RX110/72 72 40 1.10 2.20 0.15 0.25 0.38 5.50 8.2 1.50 3 3 MF-RX135/72 72 40 1.35 2.70 0.12 0.19 0.30 6.75 9.6 1.70 3 3 MF-RX160/72 72 40 1.60 3.20 0.09 0.14 0.22 8.00 11.4 1.90 3 3 MF-RX185/72 72 40 1.85 3.70 0.08 0.12 0.19 9.25 12.6 2.10 3 3 MF-RX250/72 72 40 2.50 5.00 0.05 0.08 0.13 12.50 15.6 2.50 3 3 MF-RX300/72 72 40 3.00 6.00 0.04 0.06 0.10 15.00 19.8 2.80 3 3 MF-RX375/72 72 40 3.75 7.50 0.03 0.05 0.08 18.75 24.0 3.20 3 3 Environmental Characteristics Additional Information Click these links for more information: Item Condition Criteria Operating Temperature -40 C to +85 C PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT Recommended Storage +40 C max. / 70 % R.H. max. LIBRARY 5 % typical resistance Passive Aging +85 C, 1000 hours change 5 % typical resistance Humidity Aging +85 C, 85 % R.H. 1000 hours change 10 % typical resistance Thermal Shock -40 C to +85 C, 10 times change No change Solvent Resistance MIL-STD-202, Method 215 (marking still legible) Asia-Pacific: Tel: +886-2 2562-4117 MIL-STD-883C, Method 2007.1 No change Vibration Email: asiacus bourns.com Condition A (R < R < R ) min 1max EMEA: Tel: +36 88 885 877 Moisture Sensitivity Level Email: eurocus bourns.com See Note (MSL) The Americas: Tel: +1-951 781-5500 Email: americus bourns.com ESD Classication Class 6 (per AEC-Q200-2, HBM) www.bourns.com * RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900or less ppm (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 *RoHS COMPLIANT LEAD FREE LEAD FREE VERSIONS ARE RoHS COMPLIANT* MF-RX/72 Series - PTC Resettable Fuses Product Dimensions A B C D E Physical Characteristics Model Max. Max. Nom. Tol. Min. Max. Style Lead Dia. Material 7.4 12.7 5.1 0.7 7.6 3.1 0.51 MF-RX020/72 1 Sn/CuFe (0.291) (0.5) (0.201) (0.028) (0.30) (0.122) (0.020) 7.4 12.7 5.1 0.7 7.6 3.1 0.51 MF-RX025/72 1 Sn/CuFe (0.291) (0.5) (0.201) (0.028) (0.30) (0.122) (0.020) 7.4 13.4 5.1 0.7 7.6 3.1 0.51 MF-RX030/72 1 Sn/CuFe (0.291) (0.528) (0.201) (0.028) (0.30) (0.122) (0.020) 7.4 13.7 5.1 0.7 7.6 3.1 0.51 MF-RX040/72 1 Sn/CuFe (0.291) (0.539) (0.201) (0.028) (0.30) (0.122) (0.020) 7.9 13.7 5.1 0.7 7.6 3.1 0.51 MF-RX050/72 1 Sn/Cu (0.311 (0.539) (0.201) (0.028) (0.30) (0.122) (0.020) 9.7 15.2 5.1 0.7 7.6 3.1 0.51 MF-RX065/72 1 Sn/Cu (0.382) (0.598) (0.201) (0.028) (0.30) (0.122) (0.020) 10.4 16.0 5.1 0.7 7.6 3.1 0.51 MF-RX075/72 1 Sn/Cu (0.409) (0.630) (0.201) (0.028) (0.30) (0.122) (0.020) 11.7 16.70 5.1 0.7 7.6 3.1 0.51 MF-RX090/72 1 Sn/Cu (0.461) (0.657) (0.201) (0.028) (0.30) (0.122) (0.020) 10.84 16.84 5.1 0.7 7.6 3.1 0.81 MF-RX110/72 2 Sn/Cu (0.427) (0.663) (0.201) (0.028) (0.30) (0.122) (0.032) 12.26 18.26 5.1 0.7 7.6 3.1 0.81 MF-RX135/72 2 Sn/Cu (0.483) (0.719) (0.201) (0.028) (0.30) (0.122) (0.032) 13.94 19.94 5.1 0.7 7.6 3.1 0.81 MF-RX160/72 2 Sn/Cu (0.549) (0.785) (0.201) (0.028) (0.30) (0.122) (0.032) 15.18 21.18 5.1 0.7 7.6 3.1 0.81 MF-RX185/72 2 Sn/Cu (0.598) (0.834) (0.201) (0.028) (0.30) (0.122) (0.032) 17.84 23.84 10.2 0.7 7.6 3.1 0.81 MF-RX250/72 2 Sn/Cu (0.702) (0.939) (0.402) (0.028) (0.30) (0.122) (0.032) 20.67 26.67 10.2 0.7 7.6 3.1 0.81 MF-RX300/72 2 Sn/Cu (0.814) (1.050) (0.402) (0.028) (0.30) (0.122) (0.032) 23.51 29.51 10.2 0.7 7.6 3.1 0.81 MF-RX375/72 2 Sn/Cu (0.926) (1.162) (0.402) (0.028) (0.30) (0.122) (0.032) MM DIMENSIONS: (INCHES) Style 1 Style 2 Typical Part Marking How to Order MF - RX 110/72 - 2 - 14 Represents total content. Layout may vary. A E A E Multifuse Product MANUFACTURER S Designator TRADEMARK PART Series IDENTIFICATION RX110 LOT NO. RX = Radial Leaded B 4180S (S = CHINA) DATE CODE B Component (FIRST DIGIT = Hold Current, Ihold LAST DIGIT OF YEAR 020-375 (0.20 A - 3.75 A) NEXT THREE DIGITS = DAY OF YEAR) Maximum Voltage, Vmax 72 (72 Volts) Packaging Options D - 0 = Bulk Packaging - 2 = Tape and Reel* D - AP = Ammo-Pak* Specifications are subject to change without notice. Part Number Suffix Option Users should verify actual device performance in their - 14 = Kinked Leads in Place of C C specific applications. Standard Straight Leads The products described herein and this document are - 17 = Straight Leads in Place of Also available with kinked and straight leads in subject to specific legal disclaimers as set forth on the Standard Kinked Leads place of standard leads (see How to Order). last page of this document, and at *Packaged per EIA-468 www.bourns.com/docs/legal/disclaimer.pdf.