CO LO & MP LI GE AN N T FR EE *R oH S ** HA Features Applications ■ 72 V rated 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 ■ Radial leaded devices ■ Cured, flame retardant epoxy polymer RX11 4180 0 S insulating material meets UL 94 V-0 requirements ■ RoHS compliant* and halogen free** ■ Agency recognition: MF-RX/72 Series - PTC Resettable Fuses Electrical Characteristics Ihold Model MF-RX020/72 MF-RX025/72 MF-RX030/72 MF-RX040/72 MF-RX050/72 MF-RX065/72 MF-RX075/72 MF-RX090/72 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 72 72 72 72 72 72 72 72 72 72 72 72 72 72 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 Itrip Amperes at 23 °C Hold Trip 0.20 0.40 0.25 0.50 0.30 0.60 0.40 0.80 0.50 1.00 0.65 1.30 0.75 1.50 0.90 1.80 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 Initial Resistance Ohms at 23 °C Min. Max. 1.50 2.84 1.00 1.95 0.76 1.36 0.52 0.86 0.41 0.77 0.27 0.48 0.18 0.40 0.14 0.31 0.15 0.25 0.12 0.19 0.09 0.14 0.08 0.12 0.05 0.08 0.04 0.06 0.03 0.05 1 Hour (R1) Post-Trip Resistance Ohms at 23 °C Max. 4.40 3.00 2.10 1.29 1.17 0.72 0.60 0.47 0.38 0.30 0.22 0.19 0.13 0.10 0.08 Max. Time To Trip Amperes at 23 °C Seconds at 23 °C 1.0 1.25 1.5 2.0 2.5 3.25 3.75 4.5 5.5 6.75 8.0 9.25 12.5 15.0 18.75 2.2 2.5 3.0 3.9 4.0 5.3 6.3 7.2 8.2 9.6 11.4 12.6 15.6 19.8 24.0 Tripped Power Dissipation Watts at 23 °C Typ. 0.40 0.45 0.50 0.55 0.75 0.90 0.90 1.00 1.50 1.70 1.90 2.10 2.50 2.80 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 ..................................................... +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 .................................................... E174545 http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545 TÜV Certificate Number ....................................... R 02057213 http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213 * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. ** 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. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users 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-RX020/72 MF-RX025/72 MF-RX030/72 MF-RX040/72 MF-RX050/72 MF-RX065/72 MF-RX075/72 MF-RX090/72 MF-RX110/72 MF-RX135/72 MF-RX160/72 MF-RX185/72 MF-RX250/72 MF-RX300/72 MF-RX375/72 A Max. 7.4 (0.291) 7.4 (0.291) 7.4 (0.291) 7.4 (0.291) 7.9 (0.311 9.7 (0.382) 10.4 (0.409) 11.7 (0.461) 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. 12.7 (0.5) 12.7 (0.5) 13.4 (0.528) 13.7 (0.539) 13.7 (0.539) 15.2 (0.598) 16.0 (0.630) 16.70 (0.657) 16.84 (0.662) 18.26 (0.718) 19.94 (0.785) 21.18 (0.833) 23.84 (0.938) 26.67 (1.050) 29.51 (1.161) C Nom. 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 5.1 (0.201) 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 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 7.6 (0.30) 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) 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) 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) 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) 3.1 (0.122) Style 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 Physical Characteristics Lead Dia. Material 0.51 Sn/CuFe (0.020) 0.51 Sn/CuFe (0.020) 0.51 Sn/CuFe (0.020) 0.51 Sn/CuFe (0.020) 0.51 Sn/Cu (0.020) 0.51 Sn/Cu (0.020) 0.51 Sn/Cu (0.020) 0.51 Sn/Cu (0.020) 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) Packaging options: DIMENSIONS: BULK: 500 pcs. per bag. TAPE & REEL: MF-RX020/72-2 ~ MF-RX090/72-2 = 3000 pcs. per reel; MF-RX110/72-2 ~ MF-RX160/72-2 = 1500 pcs. per reel; MF-RX185/72-2 - MF-RX375/72-2 = 1000 pcs. per reel. AMMO-PACK: MF-RX020/72-AP ~ MF-RX090/72-AP = 2000 pcs. per pack; MF-RX110/72-AP ~ MF-RX160/72-AP = 1000 pcs. per pack; MF-RX185/72-AP - MF-RX375/72-AP = 500 pcs. per pack. Style 1 A E How to Order Typical Part Marking Style 2 A E B B D MF - RX 110/72 - 2 Represents total content. Layout may vary. PART IDENTIFICATION DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR) MANUFACTURER'S TRADEMARK RX110 4180S MM (INCHES) LOT NO. (S = CHINA) ® Multifuse Product Designator Series RX = Radial Leaded Component Hold Current, Ihold 020-375 (0.20 Amps - 3.75 Amps) Maximum Voltage, Vmax 72 (72 Volts) Packaging Options - 0 = Bulk Packaging - 2 = Tape and Reel* - AP = Ammo-Pak* *Packaged per EIA 486-B D C C Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. MF-RX/72 Series - PTC Resettable Fuses MF -R MF X 0 2 0 -RX MF 025 -R MF X030 -R MF X040 -R MF X050 -R MF X065 -R MF X075 -RX 090 MF -R MF X110 -R /7 MF X135 2 -RX /72 1 MF -R 60/7 MF X185 2 -R /7 MF X250 2 -RX /72 MF 300 -RX /72 375 /72 Typical Time to Trip at 23 ˚C 1000 100 Time to Trip (Seconds) Time to trip (Seconds) 100 10 1 0.1 10 1 0.1 0.01 0.01 0.001 0.001 0.1 1 10 100 1 10 100 Fault Current (Amps) 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) Model MF-RX020/72 MF-RX025/72 MF-RX030/72 MF-RX040/72 MF-RX050/72 MF-RX065/72 MF-RX075/72 MF-RX090/72 MF-RX110/72 MF-RX135/72 MF-RX160/72 MF-RX185/72 MF-RX250/72 MF-RX300/72 MF-RX375/72 -40 °C 0.31 0.39 0.47 0.62 0.78 1.01 1.16 1.40 1.71 2.09 2.48 2.87 3.88 4.65 5.81 -20 °C 0.27 0.34 0.41 0.54 0.68 0.88 1.02 1.22 1.50 1.84 2.18 2.52 3.40 4.08 5.10 0 °C 0.24 0.30 0.36 0.48 0.60 0.77 0.89 1.07 1.31 1.61 1.90 2.20 2.98 3.57 4.46 Ambient Operating Temperature 23 °C 40 °C 50 °C 0.20 0.16 0.14 0.25 0.20 0.18 0.30 0.24 0.22 0.40 0.32 0.29 0.50 0.41 0.36 0.65 0.53 0.47 0.75 0.61 0.54 0.90 0.73 0.65 1.10 0.89 0.79 1.35 1.09 0.97 1.60 1.30 1.15 1.85 1.50 1.33 2.50 2.03 1.80 3.00 2.43 2.16 3.75 3.04 2.70 60 °C 0.13 0.16 0.19 0.25 0.32 0.41 0.47 0.57 0.69 0.85 1.01 1.17 1.58 1.89 2.36 MF-RX/72 SERIES, REV. K, 10/15 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 70 °C 0.11 0.14 0.16 0.22 0.27 0.35 0.41 0.49 0.59 0.73 0.86 1.00 1.35 1.62 2.03 85 °C 0.08 0.10 0.12 0.16 0.20 0.26 0.30 0.36 0.44 0.54 0.64 0.74 1.00 1.20 1.50 MF-R, MF-R/90, MF-R/600, MF-RX, & MF-RX/72 Series Tape and Reel Specifications Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 and 2 for details. IEC Mark EIA Mark Carrier tape width W W Hold down tape width W0 W4 Dimension Description Hold down tape Dimensions Dimensions Tolerance 18 -0.5/+1.0 (.709) (-0.02/+.039) 11 min. (.433) No protrusion Top distance between tape edges W2 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 (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 Overall width w/o lead protrusion (kinked lead) C2 3 (.118) 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) Lead protrusion I1 L1 Protrusion of cutout L L Protrusion beyond hold-down tape I2 I2 Not specified Sprocket hole pitch P0 P0 12.7 (0.5) Pitch tolerance 20 consecutive 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 (±.039) Device pitch: MF-R005–MF-R160, MF-R/90, MF-RX110/72–MF-RX185/72 12.7 (0.5) ±0.3 (±.012) Device pitch: MF-R185–MF-R400, MF-RX110–MF-RX375 MF-R/600, MF-RX250/72–MF-RX375/72 25.4 (1.0) ±0.6 (±.024) 0.9 (.035) max. Tape thickness t t Tape thickness with splice: MF-R010–MF-R160, MF-RX110/72–MF-RX185/72 t1 1.5 (.059) max. Tape thickness with splice: MF-R250–MF-R1100, MF-RX110–MF-RX375, MF-R/90, MF-RX250/72-MF-RX375/72 t1 2.3 (.091) max. Splice sprocket hole alignment 0 Body lateral deviation Δh Δh 0 Body tape plane deviation Δp Δp 0 ±0.3 (±.012) ±1.0 (±.039) ±1.3 (±.051) DIMENSIONS: Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. MM (INCHES) MF-R, MF-R/90, MF-R/600, MF-RX, & MF-RX/72 Series Tape and Reel Specifications IEC Mark EIA Mark Lead spacing: MF-R, MF-R/90, MF-R/600, MF-RX, MF-RX/72 F F Reel width w W2 Reel diameter d a W1 h Arbor hole diameter f c Core diameter: MF-R, MF-RX, MF-R/90 h n Core diameter: MF-R/600 h n Dimension Description Space between flanges less device Box: MF-R, MF-RX, MF-R/90 Box: MF-R/600 Dimensions Dimensions Tolerance 5.08 ±0.2 (0.2) (±0.008) 56.0 max. (2.205) 370.0 max. (14.57) 4.75 ±3.25 (.187) (±.128) 26.0 ±12.0 (1.024) (±.472) 80 max. (3.15) 91 max. (3.58) 62 355 345 nom. (2.44) (14.0) (13.6) 64 372 362 max. (2.52) (14.6) (14.25) Consecutive missing places: MF-R, MF-RX, MF-R/90 3 Consecutive missing places: MF-R/600 none Empty places per reel: MF-R, MF-RX, MF-R/90 Not specified Empty places per reel: MF-R/600 0.1 % Taped Component Dimensions Figure 1 p h h max. p Reference plane P1 H1 A L I2 H1 F H H0 B W0 I1 P0 D0 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 DIMENSIONS: MM (INCHES) Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.