PL IA NT CO M *R oH S RX0 240012 1K Features Applications ■ Radial leaded devices ■ Customer Premise Equipment (CPE) ■ Fast tripping resettable PTCs ■ Central Office / Telecom Centers (CO) ■ Binned and sorted narrow resistance ■ Access equipment ranges available ■ RoHS compliant* ■ Agency recognition: MF-RX/250 Series - Telecom PTC Resettable Fuses Electrical Characteristics Model Max. Operating Voltage (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-RX018/250U 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 Max. Interrupt Ratings Volts (Vrms) Max. 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 Hold Current Amps (A) Max. 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 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 Initial Resistance Ohms at 23 °C Min. 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 Ohms at 23 °C Max. 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 2.0 One Hour Post-Trip Resistance Ohms at 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 14.0 12.0 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 ≤ 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 *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 ºC -20 ºC 0 ºC 23 ºC 40 ºC 50 ºC 60 ºC 70 ºC 85 ºC MF-RX012/250 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 MF-RX014/250 0.225 0.199 0.172 0.145 0.119 0.106 0.093 0.080 0.060 MF-RX018/250 0.269 0.240 0.211 0.180 0.153 0.138 0.123 0.109 0.087 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) Model MF-RX012/250 MF-RX012/250U MF-RX014/250 MF-RX014/250U MF-RX018/250 MF-RX018/250U 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) 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) 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) 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) Physical Characteristics Lead Dia. Style Material 0.65 1 Sn/Cu (0.026) 0.65 2 Sn/Cu (0.026) 0.65 1 Sn/Cu (0.026) 0.65 2 Sn/Cu (0.026) 0.65 1 Sn/Cu (0.026) 0.65 2 Sn/Cu (0.026) TAPE & REEL: 1500 pcs. per reel (available binned). DIMENSIONS: Style 1 Style 2 A Typical Part Marking A E E B B Represents total content. Layout may vary. MANUFACTURER'S TRADEMARK DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; SECOND DIGIT = MONTH, AS FOLLOWS: 1-9 = JAN-SEPT X,Y,Z = OCT-DEC) D MM (INCHES) PART IDENTIFICATION RX012 24001K BATCH/LOCATION (3 DIGITS = BATCH CODE; K = KOREA S = CHINA) C NOTE: UNCOATED PARTS HAVE NO PART MARKING. MARKING IS ON LABEL ONLY. D Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. C MF-RX/250 Series - Telecom PTC Resettable Fuses How to Order Typical Time to Trip at 23 ˚C MF - RX 012/250 U - A 5 - 2 1000 ® Multifuse Product Designator Hold Current, Ihold 008-018 (0.08-0.18 Amps) Max. Interrupt Voltage, V 250 (250 Volts) Telecom Options U = Uncoated (radial parts only) Resistance Sorted Narrow resistance ranges - see Resistance Options chart 100 Time to Trip (Seconds) Series RX = Radial Leaded Component 10 MF-RX018/250, 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 Initial Resistance Values R1max Ohms @ 23 ° C Ohms @ 23 ° C Bin Min. Max. Max. MF-RX012/250 4.0 8.0 16.0 0.5 MF-RX012/250-A05 7.0 9.0 16.0 0.5 MF-RX012/250-C05 5.5 7.5 14.0 0.5 MF-RX012/250-F05 6.0 10.5 16.0 0.5 MF-RX012/250-105 6.0 9.0 16.0 0.5 MF-RX012/250-205 8.0 10.5 16.0 0.5 MF-RX012/250-T05 7.0 12.0 16.0 0.5 MF-RX012/250U 6.0 10.0 16.0 0.5 MF-RX014/250 3.0 6.0 14.0 0.5 MF-RX014/250-A05 3.0 5.5 12.0 0.5 MF-RX014/250-B05 4.5 6.0 14.0 0.5 MF-RX014/250U 3.5 6.5 12.0 0.5 MF-RX/250, REV. J, 05/11 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. IEC Mark EIA Mark Carrier tape width W W Hold down tape width W0 W4 Dimension Description Hold down tape Top distance between tape edges Dimensions Dimensions Tolerance 18 -0.5/+1.0 (.709) (-0.02/+.039) 11 min. (.433) 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-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 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. ±0.3 (±.012) ±1.0 (±.039) ±1.3 (±.051) DIMENSIONS: 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 EIA Mark Lead spacing: MF-R, MF-R/90, MF-R/600, MF-RX, MF-RX/72 F F Lead spacing: MF-RX/250 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-RX/250, MF-R/600 h n Dimension Description Space between flanges less device Dimensions Dimensions Tolerance 5.08 ±0.2 (0.2) (±0.008) 5.08 -0.5/+0.6 (0.2) (-.020/+.024) 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) 56 372 372 max. (2.2) (14.6) (14.6) 67 372 362 max. (2.64) (14.6) (14.25) 64 372 362 max. (2.52) (14.6) (14.25) Box: MF-R, MF-RX, MF-R/90 Box: MF-RX/250 Box: MF-R/600 Consecutive missing places: MF-R, MF-RX, MF-R/90 3 Consecutive missing places: MF-RX/250, MF-R/600 none 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. Taped Component Dimensions - Figure 1 h p h p Reference plane P1 H1 A L I2 H1 F H H0 B W0 I1 P0 W1 W D0 User direction of feed DIMENSIONS: Cross section A - B Reel Dimensions - Figure 2 MM (INCHES) 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.