IA NT Features CO M PL ■ *R oH S ■ ■ RX0 240012 1K ■ ■ ■ Radial Leaded Devices Fast tripping resettable PTCs Binned and sorted narrow resistance ranges available RoHS compliant* Lead free Agency recognition: Applications ■ ■ ■ Customer Premise Equipment (CPE) Central Office / Telecom Centers (CO) Access equipment T V Rheinland MF-RX/250 Series - Telecom PTC Resettable Fuses Electrical Characteristics Model Max. Operating Voltage Max. Interrupt Ratings Volts Amps (Vrms) (A) (Vdc) MF-RX012/250 MF-RX012/250-A MF-RX012/250-C MF-RX012/250-F MF-RX012/250-1 MF-RX012/250-2 MF-RX012/250-T MF-RX012/250U MF-RX014/250 MF-RX014/250-A MF-RX014/250-B MF-RX014/250-T MF-RX014/250U MF-RX018/250 MF-RX018/250F MF-RX018/250U 60 60 60 60 60 60 60 60 60 60 60 60 60 60 100 60 Max. Max. 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 10.0 10.0 10.0 Hold Current Amps at 23 °C IH 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.145 0.145 0.145 0.145 0.145 0.18 0.18 0.18 Initial Resistance Ohms Ohms at at 23 °C 23 °C One Hour Post-Trip Resistance Ohms at 23 °C Min. Max. Max. 4.0 7.0 5.5 6.0 6.0 8.0 7.0 6.0 3.0 3.0 4.5 5.4 3.5 0.8 0.8 0.8 8.0 9.0 7.5 10.5 9.0 10.5 12.0 10.0 6.0 5.5 6.0 7.5 6.5 2.0 2.2 2.0 16.0 16.0 14.0 16.0 16.0 16.0 16.0 16.0 14.0 12.0 14.0 14.0 12.0 4.0 4.0 4.0 “U” suffix indicates product without insulation coating. 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 ........................................................±15 % typical resistance change +60°C, 1000 hours ±15 % typical resistance change Humidity Aging ........................................................+85 °C, 85 % R.H. 500 hours ..........................................±15 % typical resistance change Thermal Shock ........................................................MIL-STD-202F, Method 107G, ........................................±10 % typical resistance change +125 °C to -55 °C,10 times ±15 % typical resistance change Solvent Resistance ..................................................MIL-STD-202, Method 215B............................................No change Lead Solerability ......................................................ANSI/J-STD-002 ..............................................................>95 % coverage Flammability ............................................................IEC 695-2-2......................................................................No Flame for 60 secs. Vibration ..................................................................MIL-STD-883C, Method 2007.1, Condition A..................±5 % typical resistance change Test Procedures And Requirements For Model MF-RX/250 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 ≤ R1max Time to Trip ........................................................At specified current, Vmax, 23 °C ..............T ≤ typical 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 ................................................R02057213 *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 ■ ■ ■ Ability to withstand AC power cross conditions Assists equipment with meeting ITU-T K.20/K.21/K.45 Assists equipment with meeting Telcordia GR-1089-C Intrabuilding MF-RX/250 Series - Telecom PTC Resettable Fuses Thermal Derating Chart - Ihold (Amps) Ambient Operating Temperature Model -40 °C 0.186 0.225 0.269 0.279 MF-RX012/250 MF-RX014/250 MF-RX018/250 MF-RX018/250F -20°C 0.165 0.199 0.240 0.247 0 °C 0.143 0.172 0.211 0.213 23 °C 0.120 0.145 0.180 0.180 40 °C 0.099 0.119 0.153 0.147 50 °C 0.088 0.106 0.138 0.131 60 °C 0.077 0.093 0.123 0.115 70 °C 0.066 0.080 0.109 0.099 85 °C 0.050 0.060 0.087 0.074 Itrip is approximately two times Ihold. Product Dimensions A Max. 6.5 (0.256) 6.0 (0.236) 6.5 (0.256) 6.0 (0.236) 11.0 (0.433) 10.4 (0.409) 9.0 (0.354) Model MF-RX012/250 MF-RX012/250U MF-RX014/250 MF-RX014/250U MF-RX018/250 MF-RX018/250U MF-RX018/250F Packaging options: BULK: 500 pcs. per bag. B Max. 11.0 (0.433) 10.0 (0.394) 11.0 (0.433) 10.0 (0.394) 13.6 (0.535) 12.6 (0.496) 12.5 (0.492) C Nom. 5.1 ± 0.7 (0.201 ± 0.028) 5.1 ± 0.7 (0.201 ± 0.028) 5.1 ± 0.7 (0.201 ± 0.028) 5.1 ± 0.7 (0.201 ± 0.028) 5.1 ± 0.7 (0.201 ± 0.028) 5.1 ± 0.7 (0.201 ± 0.028) 5.1 ± 0.7 (0.201 ± 0.028) D Min. 4.7 (0.185) 4.7 (0.185) 4.7 (0.185) 4.7 (0.185) 4.7 (0.185) 4.7 (0.185) 4.7 (0.185) E Max. 4.6 (0.181) 3.8 (0.150) 4.6 (0.181) 3.8 (0.150) 4.6 (0.181) 3.8 (0.150) 3.8 (0.150) Physical Characteristics Lead Dia. Style Material 0.65 1 Sn/Cu (0.026) 0.65 1 Sn/Cu (0.026) 0.65 1 Sn/Cu (0.026) 0.65 1 Sn/Cu (0.026) 0.65 1 Sn/Cu (0.026) 0.65 1 Sn/Cu (0.026) 0.65 2 Sn/Cu (0.026) DIMENSIONS = TAPE & REEL: 1500 pcs. per reel (available binned). Style 1 Style 2 A Typical Part Marking A E Represents total content. Layout may vary. MF-RX012/250 ~ MF-RX018/250: E MANUFACTURER'S TRADEMARK B D C MM (INCHES) B D C DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; SECOND DIGIT = MONTH, AS FOLLOWS: 1-9 = JAN-SEPT X,Y,Z = OCT-DEC) PART IDENTIFICATION RX012 24001K BATCH/LOCATION (3 DIGITS = BATCH CODE; K = KOREA S = CHINA) NOTE: UNCOATED PARTS HAVE NO PART MARKING. MARKING IS ON LABEL ONLY. MF-RX018/250F: MANUFACTURER'S TRADEMARK DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR) Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. RX018F 5220S PART IDENTIFICATION MANUFACTURING CODE (S = CHINA) MF-RX/250 Series - Telecom PTC Resettable Fuses How to Order Typical Time to Trip at 23 °C 1000 MF - RX 012/250 U - A 5 - 2 Multifuse® Product Designator 100 Hold Current, Ihold 008-018 (0.08-0.18 Amps) Max. Interrupt Voltage, V 250 (250 Volts) Telecom Options F = Round Version (MF-RX018/250F only) U = Uncoated (radial parts only) Resistance Sorted Narrow resistance ranges see Resistance Options chart Time to Trip (Seconds) Series RX = Radial Leaded Component 10 MF-RX018/250, MF-RX018/250F, MF-RX018/250U 1 MF-RX014/250 & MF-RX014/250U MF-RX012/250 & MF-RX012/250U 0.10 Resistance Bins of 0.5 ohms 05 = 0.5 ohm binned parts (epoxy coated) 5 = 0.5 ohm binned parts (uncoated) Packaging Options - 0 = Bulk Packaging - 2 = Tape and Reel* (available with binned option) 0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 Fault Current (Amps) *Packaged per EIA486-B Resistance Options Model MF-RX012/250 MF-RX012/250-A05 MF-RX012/250-C05 MF-RX012/250-F05 MF-RX012/250-105 MF-RX012/250-205 MF-RX012/250-T05 MF-RX012/250U MF-RX014/250 MF-RX014/250-A05 MF-RX014/250-B05 MF-RX014/250U MF-RX018/250-F05 Initial Resistance Values Ohms @ 23 °C Min. Max. 4.0 8.0 7.0 9.0 5.5 7.5 6.0 10.5 6.0 9.0 8.0 10.5 7.0 12.0 6.0 10.0 3.0 6.0 3.0 5.5 4.5 6.0 3.5 6.5 0.8 2.2 R1max Bin Ohms @ 23 °C Max. 16.0 16.0 14.0 16.0 16.0 16.0 16.0 16.0 14.0 12.0 14.0 12.0 4.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 MF-RX/250, REV. F, 02/06 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MF-R, MF-R/72, 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 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 tape I2 I2 Not specified Sprocket hole pitch P0 P0 12.7 (0.5) Pitch tolerance Device pitch: MF-R005–MF-R160, MF-R/90, MF-RX110/72–MF-RX185/72, MF-R/72 Device pitch: MF-R185–MF-R400, MF-RX110–MF-RX375 MF-R/600, MF-RX250/72–MF-RX375/72 Tape thickness Tape thickness with splice: MF-R010–MF-R160, -0.5/+1.0 (-0.02/+.039) t MF-R/72, MF-RX110/72–MF-RX185/72, max. max. max. max. max. max. max. max. 20 consecutive ±0.3 (±.012) ±1 (±.039) 12.7 (0.5) ±0.3 (±.012) 25.4 (1.0) ±0.6 (±.024) t1 0.9 (.035) 1.5 (.059) max. t1 2.3 (.091) max. t Tape thickness with splice: MF-R250–MF-R1100 MF-RX110–MF-RX375, MF-R/90, MF-RX250/72–MF-RX375/72 max. -0.5/+0.75 (-0.02/+0.03) ±0.2 (±.0078) ±3.0 (±.118) ±0.5 (±.02) Splice sprocket hole alignment 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. ±0.3 (±.012) ±1.0 (±.039) ±1.3 (±.051) ±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/72, 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.