MFRX250

MFRX250 BOURNS

Document overview

• Manufacturer or author: Provided By www.digicamel.com(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 5

Technical content

Features

■ 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 Maximum Device Surface Temperature +60°C, 1000 hours ±15 % typical resistance change +125 °C to -55 °C,10 times ±15 % typical resistance change Environmental Characteristics Test Test Conditions Accept/Reject Criteria Test Procedures And Requirements For Model MF-RX/250 Series TV Rheinland Max. One Hour Max. Interrupt Hold Initial Post-Trip Operating Ratings Current Resistance Resistance Model Voltage Volts Amps Amps Ohms Ohms Ohms (Vrms) (A) at at at at (Vdc) 23 °C 23 °C 23 °C 23 °C

Electrical Characteristics

“U” suffix indicates product without insulation coating. *RoHS COMPLIANT

Packaging options: BULK: 500 pcs. per bag. TAPE & REEL: 1500 pcs. per reel (available binned). MF-RX/250 Series - Telecom PTC Resettable Fuses MM (INCHES)DIMENSIONS = CD D B B E EA A C Style 1 Style 2 Typical Part Marking Represents total content. Layout may vary. MF-RX012/250 ~ MF-RX018/250: RX012 24001K MANUFACTURER'S TRADEMARK NOTE: UNCOATED PARTS HAVE NO PART MARKING. MARKING IS ON LABEL ONLY. PART IDENTIFICATION DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; SECOND DIGIT = MONTH, AS FOLLOWS: 1-9 = JAN-SEPT X,Y,Z = OCT-DEC) BATCH/LOCATION (3 DIGITS = BATCH CODE; K = KOREA S = CHINA) Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Thermal Derating Chart - Ihold (Amps) Ambient Operating Temperature Model -40 °C -20 °C0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C Itrip is approximately two times Ihold. 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 RX018F 5220S MANUFACTURER'S TRADEMARK PART IDENTIFICATION DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR) MANUFACTURING CODE (S = CHINA) MF-RX018/250F:

Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MF-RX/250 Series - Telecom PTC Resettable Fuses How to Order MF - RX 012/250 U - A 5 - 2 Multifuse® Product Designator Series RX = Radial Leaded Component 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 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) *Packaged per EIA486-B Typical Time to Trip at 23 °C 1000 100 0.10 0.01 Fault Current (Amps) Time to Trip (Seconds) MF-RX018/250, MF-RX018/250F, MF-RX018/250U MF-RX012/250 & MF-RX012/250U MF-RX014/250 & MF-RX014/250U MF-RX/250, REV. F, 02/06 Initial Resistance Values R1max Bin Ohms @ 23 °C Ohms @ 23 °C Model 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-RX018/250-F05 0.8 2.2 4.0 0.5 Resistance Options

Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 and 2 for details. IEC EIA Dimensions Dimension Description Mark Mark Dimensions Tolerance Carrier tape width WW Hold down tape width: W0 W4 min. Hold down tape No protrusion Top distance between tape edges W2 W6 max. Sprocket hole position W1 W5 Sprocket hole diameter D0 D0 Abscissa to plane (straight lead) HH Abscissa to plane (kinked lead) H0 H0 Abscissa to top (straight lead) H1 H1 max. Abscissa to top (kinked lead) H1 H1 max. Overall width w/lead protrusion (straight lead) C1 max. Overall width w/lead protrusion (kinked lead) C1 max. Overall width w/o lead protrusion (straight lead) C2 max. Overall width w/o lead protrusion (kinked lead) C2 max. Lead protrusion I1 L1 max. Protrusion of cutout LL max. Protrusion beyond hold tape I2 I2 Not specified Sprocket hole pitch P0 P0 Pitch tolerance 20 consecutive 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 tt max. Tape thickness with splice: MF-R010–MF-R160, t1 max.MF-R/72, MF-RX110/72–MF-RX185/72, Tape thickness with splice: MF-R250–MF-R1100 MF-RX110–MF-RX375, MF-R/90, MF-RX250/72–MF-RX375/72 t1 max. Splice sprocket hole alignment 0 Body lateral deviation ∆h ∆h 0 Body tape plane deviation ∆p ∆p 0 Lead spacing FF Reel width wW 2 max. Reel diameter da max. Space between flanges less device W1 h MF-R, MF-R/72, MF-R/90, MF-R/600, MF-RX, MF-RX/72 & MF-RX/250 Series Tape and Reel Specifications (.709) -0.5/+1.0 (-0.02/+.039) (.354) -0.5/+0.75 (-0.02/+0.03) (.157) ±0.2 (±.0078) 18.5 (.728) ±3.0 (±.118) (.63) 32.2 (1.268) 38.0 (1.496) 43.2 (1.7) 55.0 (2.165) 42.5 (1.673) 54.0 (2.126) 1.0 (.039) (.433) ±0.5 (±.02) 12.7 (0.5) 12.7 (0.5) 25.4 (1.0) 0.9 (.035) 1.5 (.059) 2.3 (.091) 5.08 (0.2) (2.205) 370 (14.57) ±0.3 (±.012) (±.039) ±0.3 (±.012) ±0.6 (±.024) ±0.3 (±.012) ±1.0 (±.039) ±1.3 (±.051) ±0.2 (±.008) 4.75 (.187) ±3.25 (±.128) (.433) (.118) DIMENSIONS = 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 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. t User direction of feed Cross section A - B ∆p ∆p H Reference plane W A B F D0P0I1 L ∆h∆h h w h f d Reel Upper side Tape Lower side User direction of feed Reel Dimensions - Figure 2 Taped Component Dimensions - Figure 1 DIMENSIONS = MM (INCHES) IEC EIA Dimensions Dimension Description Mark Mark Dimensions Tolerance Arbor hole diameter fc Core diameter: MF-R, MF-RX, MF-R/90 hn max. Core diameter: MF-RX/250, MF-R/600 hn max. Box: MF-R, MF-RX, MF-R/90 max. Box: MF-RX/250 max. Box: MF-R/600 max. Consecutive missing places: MF-R, MF-RX, MF-R/90 3 max. 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 % (1.024) (3.15) (2.2) 372 (14.6) 372 (14.6) ±12.0 (±.472) (3.58) (2.64) 372 (14.6) 362 (14.25) (2.52) 372 (14.6) 362 (14.25)