The MF-RX Series is currently available, although not recommended for new designs. The higher voltage rated MF-RX/72 Series is preferred. CO LO & MP LI GE AN N T FR EE Features Radial Leaded Devices *R oH S Cured, flame retardant epoxy polymer ** HA insulating material meets UL 94V-0 requirements Agency recognition: RoHS compliant* and halogen free** MF-RX Series - PTC Resettable Fuses Electrical Characteristics Ihold Model V max. Volts I max. Amps MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 MF-RX300 MF-RX375 60 60 60 60 60 60 60 40 40 40 40 40 40 40 Itrip Amperes at 23 C Hold 1.10 1.35 1.60 1.85 2.50 3.00 3.75 Trip 2.20 2.70 3.20 3.70 5.00 6.00 7.50 Initial Resistance 1 Hour (R1) Post-Trip Resistance Ohms at 23 C Ohms at 23 C Amperes at 23 C Seconds at 23 C Watts at 23 C Max. 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 Typ. 1.50 1.70 1.90 2.10 2.50 2.80 3.20 Min. 0.15 0.12 0.09 0.08 0.05 0.04 0.03 Max. 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 ................................................ -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 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 TUV File Number ............................................. R2057213 Thermal Derating Chart - Ihold / Itrip (Amps) Model MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 MF-RX300 MF-RX375 Ambient Operating Temperature -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 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 * 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 Applications Bulk packaging, tape and reel and Ammo- Almost anywhere there is a low voltage power supply, up to 60 V and a load to be protected, including: Security and fire alarm systems Loud speakers Power transformers Pak available on most models Resettable circuit protection 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) 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) 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 E Physical Characteristics 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) Style 1 1 1 1 1 1 1 C NOTE: Kinked lead option is available for board standoff. Contact factory for details. Typical Part Marking 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 0180T LOT NO. (T = TAIWAN S = CHINA) Sn/Cu Sn/Cu Sn/Cu Sn/Cu Sn/Cu Sn/Cu Sn/Cu Typical Time to Trip at 23 C How to Order MF -R MF X110 -R MF X135 -R MF X160 -R MF X185 -R MF X250 -R MF X300 -RX 375 Multifuse(R) Product Designator Series RX = Radial Leaded Component Hold Current, Ihold 110-375 (1.10 Amps - 3.75 Amps) Packaging Options - __ = Bulk Packaging without part number suffix option - 0-99 = Bulk Packaging with part number suffix option -2= Tape and Reel without part number suffix option* - 2-99 = Tape and Reel with part number suffix option - AP = Ammo-Pak* - 0-14 = Kinked leads where straight leads are standard - 0-17 = Straight leads where kinked leads are standard Part Number Suffix Option - 99 = As of date code April 1, 2005 all MF-RX models are RoHS compliant. The suffix "-99" can be used if a new part number is required to reference the RoHS compliance. Examples: MF-RX110 ...............Bulk packaging MF-RX110-0-99 .......Bulk packaging with part number suffix option MF-RX110-2 ............Tape and reel packaging MF-RX110-2-99 .......Tape and reel packaging with part number suffix option 1000 100 Time to Trip (Seconds) D Material 0.81 (20AWG) MF - RX 110 - 0 - 99 B Lead Dia. 0.81 (0.032) 0.81 (0.032) 0.81 (0.032) 0.81 (0.032) 0.81 (0.032) 0.81 (0.032) 0.81 (0.032) 10 1 0.1 0.01 0.001 1 10 100 Fault Current (Amps) *Packaged per EIA486-B MF-RX SERIES, REV. P, 11/14 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-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 h h 0 Body tape plane deviation p p 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. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Bourns: MF-RX110-AP MF-RX135-AP MF-RX110-2 MF-RX135-2 MF-RX300-AP MF-RX375-2 MF-RX110-005 MFRX135-005 MF-RX185-AP MF-RX160-AP MF-RX300-2-99 MF-RX110-2-99 MF-RX250-2-99 MF-RX375-99 MFRX185-99 MF-RX300 MF-RX375 MF-RX185-2 MF-RX185-2-014 MF-RX375-0-12 MF-RX185-2-99 MF-RX110-0-99 MF-RX110-AP-99 MF-RX135-0-99 MF-RX135-AP-99 MF-RX160-0-99 MF-RX160-2-99 MF-RX160-AP-99 MFRX185-0-99 MF-RX185-AP-99 MF-RX250-0-99 MF-RX250-AP-99 MF-RX300-AP-99 MF-RX375-0-99 MF-RX375-299 MF-RX185-005 MF-RXLAB MF-RX300-2 MF-RX300-005 MF-RX250-2 MF-RX375-005 MF-RX160 MF-RX1602 MF-RX250-005 MF-RX135 MF-RX110 MF-RX160-005 MF-RX250 MF-RX185 MF-RX250-AP MF-RX250-2-14 MF-RX135-2-99 MF-RX250-99 MF-RX110-99 MF-RX160-99 MF-RX300-0-99 MF-RX110-0-14 MF-RX110-2-14 MFRX135-0-14 MF-RX135-0-H2 MF-RX135-2-14 MF-RX160-0-14 MF-RX185-0-14 MF-RX185-0-14-99 MF-RX185-214 MF-RX185-2-14-99 MF-RX250-0-14 MF-RX300-0-14 MF-RX300-2-14 MF-RX300-AP-14 MF-RX375-0-14 MFRX375-AP-14 MF-RX375-AP MF-RX375-AP-99