RX110 9180S The MF-RX Series is currently Features available, although not recommended n Cured, flame retardant epoxy polymer for new designs. The higher voltage insulating material meets UL 94V-0 rated MF-RX/72 Series is preferred. requirements n Agency recognition: n RoHS compliant* and halogen free** n Bulk packaging, tape and reel and Ammo- Pak available on most models MF-RX Series - PTC Resettable Fuses 3006 - Trimpot Trimming Potentiometer Electrical Characteristics 1 Hour (R ) Tripped 1 Initial Max. Time Agency I I Post-Trip Power hold trip Resistance to Trip Recognition V I Resistance Dissipation max max Model Ohms Ohms Watts at 23 C at 23 C cUL TV at 23 C at 23 C at 23 C Volts Amps Amps Min. Max. Max. Amps Seconds Typ. E174545 R50366745 MF-RX110 60 40 1.10 2.20 0.15 0.25 0.38 5.5 8.2 1.50 3 3 MF-RX135 60 40 1.35 2.70 0.12 0.19 0.30 6.75 9.6 1.70 3 3 MF-RX160 60 40 1.60 3.20 0.09 0.14 0.22 8.0 11.4 1.90 3 3 MF-RX185 60 40 1.85 3.70 0.08 0.12 0.19 9.25 12.6 2.10 3 3 MF-RX250 60 40 2.50 5.00 0.05 0.08 0.13 12.5 15.6 2.50 3 3 MF-RX300 60 40 3.00 6.00 0.04 0.06 0.10 15.0 19.8 2.80 3 3 MF-RX375 60 40 3.75 7.50 0.03 0.05 0.08 18.75 24.0 3.20 3 3 Environmental Characteristics Item Condition Criteria Operating Temperature -40 C to +85 C Recommended Storage +40 C max. / 70 % R.H. max. Passive Aging +85 C, 1000 hours 5 % typical resistance change Humidity Aging +85 C, 85 % R.H. 1000 hours 5 % typical resistance change Thermal Shock -40 C to +85 C, 10 times 10 % typical resistance change Solvent Resistance MIL-STD-202, Method 215 No change (marking still legible) Vibration MIL-STD-883C, Method 2007.1 Condition A No change (R < R < R ) min 1max Moisture Sensitivity Level (MSL) See Note ESD Classication Class 6 (per AEC-Q200-2, HBM) Test Procedures and Requirements Item Test Condition 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 5 times I , V , 23 C T max. time to trip (seconds) hold max Hold Current 30 min. at I No trip hold Trip Cycle Life V , I , 100 cycles No arcing or burning max max Trip Endurance V , 48 hours No arcing or burning max Solderability 245 C 5 C, 5 seconds 95 % min. coverage WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns follows the prevailing definition of halogen free in the industry. 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. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.Applications Almost anywhere there is a low voltage power supply, up to 60 V and a load to be protected, including: n Security and fire alarm systems n Loud speakers n Power transformers MF-RX Series - PTC Resettable Fuses MF-RX Series - PTC Resettable Fuses Product Dimensions C Physical Characteristics A B D E Model Max. Max. Nom. Tol. Min. Max. Style Lead Dia. Material 13.0 18.0 5.1 0.7 7.6 3.1 0.81 MF-RX110 1 Sn/Cu (0.512) (0.709) (0.201) (0.028) (0.299) (0.122) (0.032) 14.5 19.6 5.1 0.7 7.6 3.1 0.81 MF-RX135 1 Sn/Cu (0.571) (0.772) (0.201) (0.028) (0.299) (0.122) (0.032) 16.3 21.3 5.1 0.7 7.6 3.1 0.81 MF-RX160 1 Sn/Cu (0.642) (0.839) (0.201) (0.028) (0.299) (0.122) (0.032) 17.8 22.9 5.1 0.7 7.6 3.1 0.81 MF-RX185 1 Sn/Cu (0.701) (0.902) (0.201) (0.028) (0.299) (0.122) (0.032) 21.3 26.4 10.2 0.7 7.6 3.1 0.81 MF-RX250 1 Sn/Cu (0.839) (1.039) (0.402) (0.028) (0.299) (0.122) (0.032) 24.9 30.0 10.2 0.7 7.6 3.1 0.81 MF-RX300 1 Sn/Cu (0.980) (1.181) (0.402) (0.028) (0.299) (0.122) (0.032) 28.4 33.5 10.2 0.7 7.6 3.1 0.81 MF-RX375 1 Sn/Cu (1.118) (1.319) (0.402) (0.028) (0.299) (0.122) (0.032) Package 1 Style 1 How to Order Typical Time to Trip at 23 C A E MF - RX 110 - 0 - 14 Multifuse Product Designator Series B 1000 RX = Radial Leaded Component Hold Current, I hold 110-375 (1.10 Amps - 3.75 Amps) 100 Packaging Options D - Blank = Bulk Packaging without part number suffix option 10 - 0 = Bulk Packaging with part number suffix option C - 2 = Tape and Reel* 1 NOTE: Kinked lead option is available for - AP = Ammo-Pak* board standoff. (See How to Order.) Part Number Suffix Option -14 = Kinked leads where straight leads 0.1 are standard Typical Part Marking - 99 = RoHS Compliancy Represents total content. Layout may vary. As of date code April 1, 2005 all MF-RX models are RoHS compliant. 0.01 MANUFACTURER S The suffix -99 was originally provided TRADEMARK to help customers distinguish between PART RoHS compliant and non-RoHS IDENTIFICATION RX110 0.001 LOT NO. compliant products, but the -99 suffix (S = CHINA) 110 100 9180S DATE CODE option is no longer necessary. The -99 (FIRST DIGIT = suffix option will no longer be available Fault Current (Amps) LAST DIGIT OF YEAR starting January 1, 2020. See Note NEXT THREE DIGITS = for more details. The Time to Trip curves represent typical DAY OF YEAR) *Packaged per EIA-468 performance of a device in a simulated application environment. Actual perfor- mance in specific customer applications may differ from these values due to the influence of other variables. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 MF-RX300 MF-RX375 Time to Trip (Seconds)