Applications ■ Radial leaded devices ■ Customer Premise Equipment (CPE) ■ Fast tripping resettable PTCs ■ Central Office / Telecom Centers (CO) ■ Binned and sorted narrow resistance ■ Access equipment *R oH S CO M PL IA N T Features 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 Humidity Aging...................................................... +85 °C, 85 % R.H. 1000 hours ............................. ±15 % typical resistance change Thermal Shock ..................................................... +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 ...................................................... TTT current, Vmax, 23 °C .................................T ≤ max. time to trip (seconds) Hold Current .................................................... 30 min. at Ihold .................................................No trip Trip Cycle Life .................................................. 250 Vrms, 3A, 10 cycles ...................................No arcing or burning UL File Number ................................................ E174545 TÜV File Number ............................................. 50260658 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. 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 ■ 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 Model MF-RX012/250 MF-RX012/250U MF-RX014/250 MF-RX014/250U MF-RX018/250 MF-RX018/250U 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) 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 YEAR CODE DATE CODE D C D MM (INCHES) 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. RX012 0 220 S PART IDENTIFICATION LOCATION CODE: S = CHINA 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 - 2 100 ® Series RX = Radial Leaded Component 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 Resistance Bins of 0.5 ohms 05 = 0.5 ohm binned parts (epoxy coated) 5 = 0.5 ohm binned parts (uncoated) Time to Trip (Seconds) Multifuse Product Designator 10 1 MF-RX018/250, MF-RX018/250U MF-RX014/250 & MF-RX014/250U MF-RX012/250 & MF-RX012/250U 0.10 0.01 0 0.5 *Packaged per EIA486-B 1.0 1.5 2.0 2.5 3.0 Fault Current (Amps) Packaging Options - 0 = Bulk Packaging - 2 = Tape and Reel* (available with binned option) 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 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 R1max 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 Bin N/A 0.5 0.5 0.5 0.5 0.5 0.5 N/A N/A 0.5 0.5 N/A MF-RX/250, REV. M, 09/15 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. MF-RX/250 Series Tape and Reel Specifications Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 through 4 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 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 Protrusion of cutout L L Sprocket hole pitch P0 P0 Pitch tolerance Tape thickness t Tape thickness with splice t t1 Splice sprocket hole alignment 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. ±0.3 (±.012) ±1 (±.039) ±0.3 (±.012) 12.7 (0.5) 0.9 (.035) 1.5 (.059) max. max. 0 Body lateral deviation Δh Δh Body tape plane deviation Δp Δp Lead spacing F F Reel width w W2 Reel diameter d a W1 h Arbor hole diameter f c Core diameter h n Box 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)) 11 (.433) 12.7 (0.5) 20 consecutive Device pitch Space between flanges less device Dimensions Dimensions Tolerance 18 -0.5/+1.0 (.709) (-0.02/+.039) 11 min. (.433) 0 0 5.08 (0.2) 56.0 (2.205) 370.0 (14.57) 4.75 (.187) 26.0 (1.024) 91 (3.58) 67 372 362 (2.64) (14.6) (14.25) Consecutive missing places none Empty places per reel 0.1 % ±0.3 (±.012) ±1.0 (±.039) ±1.3 (±.051) -0.5/+0.6 (-.020/+.024) max. max. ±3.25 (±.128) ±12.0 (±.472) max. max. 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-RX/250 Series Tape and Reel Specifications Taped Component Dimensions Figure 1 p h h p Applies to Models: MF-RX012/250U Reference plane MF-RX014/250U P1 H1 MF-RX018/250 MF-RX018/250U H1 F A L H H0 B W0 P0 D0 W1 W User direction of feed Cross section A - B t Reel Dimensions Figure 2 Reel Applies to Models: h MF-RX012/250U d MF-RX014/250U MF-RX018/250 MF-RX018/250U 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. MF-RX/250 Series Tape and Reel Specifications Taped Component Dimensions Figure 3 p h h p Applies to Models: 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 Reference plane P1 H1 A L MF-RX014/250 MF-RX014/250-A MF-RX014/250-B MF-RX014-250-T H1 F H H0 B W0 P0 D0 W1 W User direction of feed Cross section A - B t Reel Dimensions Figure 4 Reel Applies to Models: 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-RX014/250 MF-RX014/250-A MF-RX014/250-B MF-RX014-250-T h d User direction of feed 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. Upper side Tape Lower side