IA NT Features CO M PL oH S *R RX1 10 4180 S Applications 72 V rated Radial leaded devices Cured, flame retardant epoxy polymer insulating material meets UL 94V-0 requirements RoHS compliant* Agency recognition: Almost anywhere there is a low voltage power supply, up to 72 V and a load to be protected, including: Security and fire alarm systems Loudspeakers Power transformers MF-RX/72 Series - PTC Resettable Fuses Electrical Characteristics Initial Resistance 1 Hour (R1) Post-Trip Resistance Amperes at 23 C Hold Trip Ohms at 23 C Min. Max. Ohms at 23 C Max. Amperes at 23 C Seconds at 23 C Watts at 23 C Typ. 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 0.38 0.30 0.22 0.19 0.13 0.10 0.08 5.5 6.75 8.0 9.25 12.5 15.0 18.75 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 Ihold Model MF-RX110/72 MF-RX135/72 MF-RX160/72 MF-RX185/72 MF-RX250/72 MF-RX300/72 MF-RX375/72 V max. Volts I max. Amps 72.0 72.0 72.0 72.0 72.0 72.0 72.0 40 40 40 40 40 40 40 Itrip 2.20 2.70 3.20 3.70 5.00 6.00 7.50 0.25 0.19 0.14 0.12 0.08 0.06 0.05 Max. Time To Trip Tripped Power Dissipation 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 ....................................................+85 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/72 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 Circuit Protection Division Asia-Pacific: Tel: +886-2 2562-4117 * Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 * Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 * Fax: +1-951 781-5700 www.bourns.com *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Additional Features Resettable circuit protection Bulk packaging, tape and reel and Ammo-Pak available on most models MF-RX/72 Series - PTC Resettable Fuses Product Dimensions Model MF-RX110/72 MF-RX135/72 MF-RX160/72 MF-RX185/72 MF-RX250/72 MF-RX300/72 MF-RX375/72 A Max. 10.84 (0.427) 12.26 (0.483) 13.94 (0.549) 15.18 (0.598) 17.84 (0.702) 20.67 (0.814) 23.51 (0.926) B Max. 16.8 (0.663) 18.3 (0.720) 19.9 (0.785) 21.2 (0.834) 23.8 (0.939) 26.7 (1.050) 29.6 (1.162) 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) 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) 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) 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: 500 pcs. per bag. TAPE & REEL: MF-RX110/72 - MF-RX160/72 = 1500 pcs. per reel; MF-RX185/72 - MF-RX375/72 = 1000 pcs. per reel. AMMO-PACK: MF-RX110/72 - MF-RX160/72 = 1000 pcs. per reel; MF-RX185/72 - MF-RX375/72 = 500 pcs. per reel. A E Typical Part Marking Physical Characteristics Lead Dia. Material 0.81 Sn/Cu (0.032) 0.81 Sn/Cu (0.032) 0.81 Sn/Cu (0.032) 0.81 Sn/Cu (0.032) 0.81 Sn/Cu (0.032) 0.81 Sn/Cu (0.032) 0.81 Sn/Cu (0.032) DIMENSIONS = 0.81 (20AWG) MM (INCHES) How to Order Represents total content. Layout may vary. B PART IDENTIFICATION DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR) D C Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MANUFACTURER'S TRADEMARK RX110 4180S LOT NO. (S = CHINA) MF - RX 110/72 - __ Multifuse(R) Product Designator Series RX =Radial Leaded Component Hold Current, Ihold 110-375 (1.10 Amps - 3.75 Amps) Maximum Voltage, Vmax 72 (72 Volts) Packaging Options = Bulk Packaging - 2 = Tape and Reel* - AP = Ammo-Pak* *Packaged per EIA 486-B MF-RX/72 Series - PTC Resettable Fuses MF -R MF X110 -R /7 MF X135 2 -RX /72 MF 160 -R /7 MF X185 2 -RX /72 MF 250 -R /7 MF X300 2 -RX /72 375 /72 Typical Time to Trip at 23 C 1000 Time to Trip (Seconds) 100 10 1 0.1 0.01 0.001 1 10 100 Fault Current (Amps) The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specific customer applications may differ from these values due to the influence of other variables. Thermal Derating Chart - Ihold (Amps) Ambient Operating Temperature Model MF-RX110/72 MF-RX135/72 MF-RX160/72 MF-RX185/72 MF-RX250/72 MF-RX300/72 MF-RX375/72 -40 C 1.71 2.09 2.48 2.87 3.88 4.65 5.81 -20 C 1.50 1.84 2.18 2.52 3.40 4.08 5.10 0 C 1.31 1.61 1.90 2.20 2.98 3.57 4.46 23 C 1.10 1.35 1.60 1.85 2.50 3.00 3.75 40 C 0.89 1.09 1.30 1.50 2.03 2.43 3.04 50 C 0.79 0.97 1.15 1.33 1.80 2.16 2.70 60 C 0.69 0.85 1.01 1.17 1.58 1.89 2.36 70 C 0.59 0.73 0.86 1.00 1.35 1.62 2.03 85 C 0.44 0.54 0.64 0.74 1.00 1.20 1.50 MF-RX/72 SERIES, REV. B, 11/04 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MF-R, MF-R/90, MF-R/600, MF-RX, MF-RX/72 & MF-RX/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: W0 W4 Hold down tape Top distance between tape edges Dimensions Dimensions Tolerance 18 (.709) 11 (.433) min. No protrusion W2 W6 3 (.118) W5 9 (.354) 4 (.157) 18.5 (.728) 16 (.63) 38.0 (1.496) 32.2 (1.268) 55.0 (2.165) 43.2 (1.7) 54.0 (2.126) 42.5 (1.673) 1.0 (.039) 11 (.433) Sprocket hole position W1 Sprocket hole diameter D0 D0 Abscissa to plane (straight lead) H H Abscissa to plane (kinked lead) H0 H0 Abscissa to top (straight lead) H1 H1 Abscissa to top (kinked lead) H1 H1 Overall width w/lead protrusion (straight lead) C1 Overall width w/lead protrusion (kinked lead) C1 Overall width w/o lead protrusion (straight lead) C2 C2 Overall width w/o lead protrusion (kinked lead) Lead protrusion I1 L1 Protrusion of cutout L L Protrusion beyond hold tape I2 I2 Not specified Sprocket hole pitch P0 P0 12.7 (0.5) Pitch tolerance 20 consecutive Device pitch: MF-R005-MF-R160, MF-R/90, MF-RX/72 12.7 (0.5) Device pitch: MF-R185-MF-R400, MF-RX110-MF-RX375, MF-R/600 25.4 (1.0) Tape thickness -0.5/+1.0 (-0.02/+.039) t t t1 Tape thickness with splice: MF-R010-MF-R160 Tape thickness with splice: MF-R250-MF-R1100 MF-RX110-MF-RX375, MF-R/90 t1 Splice sprocket hole alignment 0.9 (.035) 1.5 (.059) 2.3 (.091) 0 Body lateral deviation h h Body tape plane deviation p p Lead spacing F F Reel width w W2 Reel diameter d a Space between flanges less device W1 h 0 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. max. 0.3 (.012) 1 max. max. max. 0.3 (.012) 1.0 (.039) 0.3 (.021) 0.2 (.008) max. max. 3.25 (.128) DIMENSIONS = Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MM (INCHES) MF-R, MF-R/90, MF-R/600, MF-RX, MF-RX/72 & MF-RX/250 Series Tape and Reel Specifications IEC Mark Dimension Description EIA Mark Dimensions Dimensions Tolerance Arbor hole diameter f c 26 (1.024) 12.0 (.472) Core diameter: MF-R, MF-RX, MF-R/90 h n 80 (3.15) max. Core diameter: MF-RX/250, MF-R/600 h n 91 (3.58) max. 56 (2.2) 67 (2.64) 64 (2.52) Box: MF-R, MF-RX, MF-R/90 Box: MF-RX/250 Box: MF-R/600 372 (14.6) 372 (14.6) 372 (14.6) Consecutive missing places: MF-R, MF-RX, MF-R/90 3 Consecutive missing places: MF-RX/250, MF-R/600 none 372 (14.6) 362 (14.25) 362 (14.25) Empty places per reel: MF-R, MF-RX, MF-R/90 Not specified Empty places per reel: MF-RX/250, MF-R/600 0.1 % max. max. max. max. Taped Component Dimensions - Figure 1 p h h p Reference plane P1 H1 A L I2 H1 F H H0 B W0 I1 P0 D0 DIMENSIONS = MM (INCHES) W1 W User direction of feed Cross section A - B Reel Dimensions - Figure 2 t Reel h d User direction of feed Upper side Tape Lower side f h w Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.