Features ■ ■ RX 1 018 10 0T ■ ■ Applications Radial Leaded Devices Cured, flame retardant epoxy polymer insulating material meets UL 94V-0 requirements Bulk packaging, tape and reel and AmmoPak available on most models Almost anywhere there is a low voltage power supply, up to 60V and a load to be protected, including: ■ Security and fire alarm systems ■ Loud speakers ■ Power transformers Agency recognition: MF-RX Series - PTC Resettable Fuses Electrical Characteristics Ihold Model MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 MF-RX300 MF-RX375 V max. Volts I max. Amps 60 60 60 60 60 60 60 Itrip Initial Resistance 1 Hour (R1) Post-Trip Resistance Ohms at 23°C Amperes at 23°C Hold Trip Min. Max. Ohms at 23°C Max. 1.10 1.35 1.60 1.85 2.50 3.00 3.75 0.15 0.12 0.09 0.08 0.05 0.04 0.03 0.25 0.19 0.14 0.12 0.08 0.06 0.05 0.38 0.30 0.22 0.19 0.13 0.10 0.08 40 40 40 40 40 40 40 2.20 2.70 3.20 3.70 5.00 6.00 7.50 Max. Time To Trip Amperes at 23°C Tripped Power Dissipation Seconds at 23°C Watts at 23°C 8.2 9.6 11.4 12.6 15.6 19.8 24.0 1.50 1.70 1.90 2.10 2.50 2.80 3.20 5.5 6.75 8.0 9.25 12.5 15.0 18.75 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 ....................................................+125°C to -55°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 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 ..................................................E 174545S CSA File Number ................................................CA 110338 TÜV File Number ................................................R2057213 Thermal Derating Chart - Ihold / Itrip (Amps) Ambient Operating Temperature Model MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 MF-RX300 MF-RX375 -40˚C 1.71 / 3.42 2.09 / 4.18 2.48 / 4.96 2.87 / 5.74 3.88 / 7.76 4.65 / 9.30 5.81 / 11.6 -20˚C 1.50 / 3.00 1.84 / 3.68 2.18 / 4.36 2.52 / 5.04 3.40 / 6.80 4.08 / 8.16 5.10 / 10.2 Specifications are subject to change without notice. 0˚C 1.31 / 2.62 1.61 / 3.22 1.90 / 3.80 2.20 / 4.40 2.98 / 5.96 3.57 / 7.14 4.46 / 8.92 23˚C 1.10 / 2.20 1.35 / 2.70 1.60 / 3.20 1.85 / 3.70 2.50 / 5.00 3.00 / 6.00 3.75 / 7.50 40˚C 0.89 / 1.78 1.09 / 2.18 1.30 / 2.60 1.50 / 3.00 2.03 / 4.06 2.43 / 4.86 3.04 / 6.08 50˚C 0.79 / 1.58 0.97 / 1.94 1.15 / 2.30 1.33 / 2.66 1.80 / 3.60 2.16 / 4.32 2.70 / 5.40 60˚C 0.69 / 1.38 0.85 / 1.70 1.01 / 2.02 1.17 / 2.34 1.58 / 3.16 1.89 / 3.78 2.36 / 4.72 70˚C 0.59 / 1.18 0.73 / 1.46 0.86 / 1.72 1.00 / 2.00 1.35 / 2.70 1.62 / 3.24 2.03 / 4.06 85˚C 0.44 / 0.88 0.54 / 1.08 0.64 / 1.28 0.74 / 1.48 1.00 / 2.00 1.20 / 2.40 1.50 / 3.00 Additional Features ■ ■ Resettable circuit protection Patents pending MF-RX Series - PTC Resettable Fuses Product Dimensions A Max. 13.0 (0.512) 14.5 (0.571) 16.3 (0.642) 17.8 (0.701) 21.3 (0.839) 24.9 (0.980) 28.4 (1.118) Model MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 MF-RX300 MF-RX375 B Max. 18.0 (0.709) 19.6 (0.772) 21.3 (0.839) 22.9 (0.902) 26.4 (1.039) 30.0 (1.181) 33.5 (1.319) C Nom. 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 10.2 (0.402) 10.2 (0.402) 10.2 (0.402) D Min. 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) 7.6 (0.299) Tol. ± 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) 0.7 (0.028) E Max. 3.1 (0.122) 3.1 (0.122) 3.1 (0.122) 3.1 (0.122) 3.1 (0.122) 3.1 (0.122) 3.1 (0.122) Packaging options: 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 A Physical Characteristics Style Lead Dia. Material 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) DIMENSIONS = 0.81 (20AWG) MM (INCHES) E NOTE: Kinked lead option is available for board standoff. Contact factory for details. Typical Time to Trip at 23˚C MF -R MF X110 -R MF X135 -R MF X160 -R MF X185 -R MF X250 -R MF X300 -RX 375 B D 1000 C Typical Part Marking 100 PART IDENTIFICATION DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR) MANUFACTURER'S TRADEMARK RX110 0180T LOT NO. (T = TAIWAN S = CHINA) How to Order Time to Trip (Seconds) Represents total content. Layout may vary. 10 1 0.1 MF - RX 110 - __ Multifuse® Product Designator Series RX = Radial Leaded Component 0.01 Hold Current, Ihold 110-375 (1.10 Amps - 3.75 Amps) Packaging Options = Bulk Packaging - 2 = Tape and Reel* - AP = Ammo-Pak* 0.001 1 10 100 Fault Current (Amps) *Packaged per EIA 486-B MF-RX SERIES, REV. G, 08/01 Specifications are subject to change without notice. Tape and Reel Specifications MF-R, MF-RX & MF-R/250 Series Tape and Reel Specifications Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 and 2 for details. Dimension Description IEC Mark EIA Mark Carrier tape width W W Hold down tape width W4 Hold down tape W0 Top distance between tape edges W2 Dimensions Dimensions Tolerance 18 (.709) 5 (.197) -0.5/+1.0 (-0.02/+.039) min. No protrusion Lead protrusion I1 L1 Protrusion of cutout L L 3 (.118) 9 (.354) 4 (.157) 18.5 (.728) 16 (.63) 32.2 (1.268) 43.2 (1.7) 42.5 (1.673) 1.0 (.039) 11 (.433) Protrusion beyond hold tape I2 I2 Not specified Sprocket hole pitch P0 P0 12.7 (0.5) ±0.3 (±.012) 20 seconds ± 1 second W6 Sprocket hole position W1 W5 Sprocket hole diameter D0 D0 Abscissa to plane (straight lead) H H Abscissa to plane (kinked lead) H0 H0 Abscissa to top H1 H1 Overall width w/lead protrusion C1 Overall width w/o lead protrusion C2 Pitch tolerance Device pitch: MF-R010 – MF-R160 Device pitch: MF-R185 – MF-R400 Device pitch: MF-RX110 – MF-RX160 Device pitch: MF-RX185 – MF-RX375 Device pitch: MF-R012/250 Tape thickness t Tape thickness with splice t t1 Splice sprocket hole alignment 0 Body lateral deviation ∆h Body tape plane deviation Lead seating plane deviation ∆h 0 ∆p ∆p 0 ∆P1 P1 Lead spacing F F Reel width w w Reel diameter d a Space between flanges less device 12.7 (0.5) 25.4 (1.0) 12.7 (0.5) 12.7 (0.5) 25.4 (1.0) 0.9 (.035) 2.0 (.079) 0 5.08 (0.2) 56 (2.205) 370 (14.57) 4.75 (.187) max. -0.5/+0.75 (-0.02/+0.03) ±0.2 (±.0078) ±3.0 (±.118) ±0.5 (±.02) max. max. max. max. max. max. max. ±0.3 (±.012) ±1.0 (±.039) ±1.3 (±.051) ±0.7 (±.028) ±0.8 (±.035) max. max. ±3.25 (±.128) DIMENSIONS = MM (INCHES) Specifications are subject to change without notice. MF-R, MF-RX & MF-R/250 Series Tape and Reel Specifications IEC Mark Dimension Description Dimensions Dimensions Tolerance EIA Mark Space between flanges less device Arbor hole diameter f c Core diameter h n 56 (2.2) Box Consecutive missing places 4.75 (.187) 26 (1.024) 80 (3.15) 372 (14.6) max. 372 (14.6) max. 3 maximum Empty places per reel Not specified MM DIMENSIONS = (INCHES) Taped Component Dimensions ∆p ∆h ∆h ±3.25 (±.128) ±12.0 (±.472) ∆p Reference plane P1 H1 A L I2 H1 F H H0 B W0 I1 P0 W1 D0 W User direction of feed Cross section A - B Figure 1 t Reel Dimensions Reel h d User direction of feed Upper side Tape Lower side f h w Figure 2 Specifications are subject to change without notice.