RX110 7180T The MF-RX Series is currently Features available, although not recommended n Radial Leaded Devices for new designs. The higher voltage n Cured, flame retardant epoxy polymer rated MF-RX/72 Series is preferred. insulating material meets UL 94V-0 requirements n Agency recognition: n RoHS compliant* and halogen free** MF-RX Series - PTC Resettable Fuses Electrical Characteristics 1 Hour (R ) Tripped 1 Initial Max. Time I I Post-Trip Power hold trip Resistance to Trip Resistance Dissipation V max. I max. Model Volts Amps Amperes Ohms Ohms Amperes Seconds Watts at 23 C at 23 C at 23 C at 23 C at 23 C at 23 C Hold Trip Min. Max. Max. Typ. MF-RX110 60 40 1.10 2.20 0.15 0.25 0.38 5.5 8.2 1.50 MF-RX135 60 40 1.35 2.70 0.12 0.19 0.30 6.75 9.6 1.70 MF-RX160 60 40 1.60 3.20 0.09 0.14 0.22 8.0 11.4 1.90 MF-RX185 60 40 1.85 3.70 0.08 0.12 0.19 9.25 12.6 2.10 MF-RX250 60 40 2.50 5.00 0.05 0.08 0.13 12.5 15.6 2.50 MF-RX300 60 40 3.00 6.00 0.04 0.06 0.10 15.0 19.8 2.80 MF-RX375 60 40 3.75 7.50 0.03 0.05 0.08 18.75 24.0 3.20 Environmental Characteristics Operating/Storage Temperature ........................... -40 C to +85 C Maximum Device Surface Temperature in Tripped State ................................................ 125 C 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 Vibration ............................................................... MIL-STD-883C, Method 2007.1, ........................... No change Condition A Moisture Sensitivity Level ..................................... 1 ESD Classification (HBM) ..................................... 6 Test Procedures And Requirements For Model MF-RX Series Test Test Conditions Accept/Reject Criteria Visual/Mech........................................................ Verify dimensions and materials ........................... Per MF physical description Resistance ............................................................ In still air 23 C ................................................. Rmin R Rmax Time to Trip ........................................................... 5 times Ihold, Vmax, 23 C ................................... T max. time to trip (seconds) Hold Current ......................................................... 30 min. at Ihold ..................................................... No trip Trip Cycle Life ....................................................... Vmax, Imax, 100 cycles ........................................ No arcing or burning Trip Endurance ..................................................... Vmax, 48 hours ..................................................... No arcing or burning UL File Number .....................................................E174545 Additional Features Applications n Bulk packaging, tape and reel and Ammo- Almost anywhere there is a low voltage power Pak available on most models supply, up to 60 V and a load to be protected, including: n Resettable circuit protection n Security and fire alarm systems n Loud speakers n Power transformers MF-RXMF-RX SeriesSeries -- PTCPTC ResettableResettable FusesFuses 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) Packaging options: 0.81 (20AWG) BULK: All models = 500 pcs. per bag. TAPE & REEL: MF-RX110 MF-RX160 = 1500 pcs. per reel MF-RX185 MF-RX375 = 1000 pcs. per reel AMMO-PACK: MF-RX110 MF-RX160 = 1000 pcs. per reel MF-RX185 MF-RX375 = 500 pcs. per reel Package 1 A E How to Order Typical Time to Trip at 23 C MF - RX 110 - 0 - 99 Multifuse Product Designator B Series 1000 RX = Radial Leaded Component Hold Current, I hold 110-375 (1.10 Amps - 3.75 Amps) D 100 Packaging Options - = Bulk Packaging without part number suffix option - 0-99 = Bulk Packaging with part C 10 number suffix option - 2 = Tape and Reel without part NOTE: Kinked lead option is available for number suffix option* board standoff. Contact factory for details. - 2-99 = Tape and Reel with part number 1 suffix option* Typical Part Marking - AP = Ammo-Pak* - 0-14 = Kinked leads where straight Represents total content. Layout may vary. 0.1 leads are standard - 0-17 = Straight leads where kinked MANUFACTURER S leads are standard TRADEMARK PART Part Number Suffix Option 0.01 IDENTIFICATION RX110 - 99 = RoHS Compliancy LOT NO. (T = TAIWAN As of date code April 1, 2005 all 7180T DATE CODE S = CHINA) MF-RX models are RoHS compliant. (FIRST DIGIT = 0.001 LAST DIGIT OF YEAR The sufxfi -99 can be used if a new 110 100 NEXT THREE DIGITS = part number is required to reference DAY OF YEAR) the RoHS compliance, but including Fault Current (Amps) the -99 suffix option is not recommended for new designs. *Packaged per EIA486-B MF-RX SERIES, REV. S, 10/17 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)