Features R0 12255 0S Applications ■ Radial Leaded Devices Cured, flame retardant epoxy polymer insulating material meets UL 94V-0 requirements Lead free option available ■ Agency recognition: ■ ■ Almost anywhere there is a load to be protected with a voltage supply of up to 90 V, including: ■ Broadband cable power passing taps ■ Set-top boxes T V Rheinland MF-R/90 Series - PTC Resettable Fuses Electrical Characteristics Ihold Itrip Initial Resistance Values Amps at 23 °C Amps at 23 °C Ohms at 23 °C One Hour Post-Trip Resistance Standard Trip Ohms at 23 °C V max. Volts I max. Amps Hold Trip Min. Max. Max. MF-R055/90 90 10 0.55 1.1 0.45 0.9 MF-R055/90U 90 10 0.55 1.1 0.45 MF-R075/90 90 10 0.75 1.5 0.37 Model Nominal Tripped Power Dissipation Maximum Time To Trip Watts at 23 °C Amps at 23 °C Seconds at 23 °C 2.0 1.6 60 0.9 2.0 1.6 28 2.0 0.75 1.65 2.0 60 2.5 Typ. 2.0 “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 ....................................±5 % typical resistance change Humidity Aging....................................................+85°C, 85% R.H. 1000 hours......................±5 % typical resistance change Thermal Shock ....................................................+125 °C to -55 °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-R/90 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 ........................................................At specified current, 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 Thermal Derating Chart - Ihold / Itrip (Amps) Ambient Operating Temperature Model MF-R055/90 MF-R055/90U MF-R075/90 -40 ˚C 0.85 / 1.7 0.85 / 1.7 1.15 / 2.3 -20 ˚C 0.75 / 1.5 0.75 / 1.5 1.0 / 2.0 0 ˚C 0.65 / 1.3 0.65 / 1.3 0.9 / 1.8 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 23 ˚C 0.55 / 1.1 0.55 / 1.1 0.75 / 1.5 40 ˚C 0.45 / 0.9 0.45 / 0.9 0.61 / 1.22 50 ˚C 0.4 / 0.8 0.4 / 0.8 0.55 / 1.1 60 ˚C 0.35 / 0.7 0.35 / 0.7 0.48 / 0.96 70 ˚C 0.3 / 0.6 0.3 / 0.6 0.41 / 0.82 85 ˚C 0.22 / 0.44 0.22 / 0.44 0.30 / 0.6 Additional Features ■ ■ Bulk packaging, tape and reel and Ammo-Pak available on most models Patents pending MF-R/90 Series - PTC Resettable Fuses Product Dimensions A Max. 10.9 (0.43) 10.3 (0.4) 11.9 (0.47) Model MF-R055/90 MF-R055/90U MF-R075/90 Packaging options: BULK: 500 pcs. per bag. B Max. 14.0 (0.55) 10.3 (0.4) 15.5 (0.61) TAPE & REEL: 1500 pcs. per reel. C (Pitch) 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) D Min. 6.3 (0.248) 6.3 (0.248) 6.3 (0.248) E Max. 3.6 (0.142) 3.0 (0.118) 3.6 (0.142) Physical Characteristics Style Lead Dia. Material 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) DIMENSIONS = AMMO-PACK: 1000 pcs. per pack MM (INCHES) Style 1 A E Typical Part Marking How to Order MF - R 055/90 U - 0 - 99 Represents total content. Layout may vary. MANUFACTURER'S TRADEMARK Multifuse Product Designator LOT NO. (S = CHINA) Series R = Radial Leaded Component ® B PART IDENTIFICATION DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR) R055 1220S Hold Current, Ihold 055, 075 (0.55 Amps - 0.75 Amps) Max. Voltage, V D Coating __ = Coated U = Uncoated C Also available with straight leads. Packaging Options - 0 = Bulk Packaging - 2 = Tape and Reel* - AP = Ammo-Pak* Typical Time to Trip at 23 ˚C Lead Free Option __ = Standard Product - 99 = Lead Free 100 Time to Trip (Seconds) *Packaged per EIA486-B 10 1 MF-R075/90 MF-R055/90 MF-R055/90U 0.1 1 10 Fault Current (Amps) MF-R/90, REV. C, 02/04 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MF-R, MF-RX, MF-R/90, MF-R/250, MF-RX/250 & MF-R/600 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: MF-R/600 W4 Hold down tape width: all others W4 Hold down tape W0 Top distance between tape edges W2 Dimensions Dimensions Tolerance 18 (.709) 5 (.197) 11 (.433) Lead protrusion I1 Protrusion of cutout L L Protrusion beyond hold tape I2 I2 Not specified Sprocket hole pitch P0 P0 12.7 (0.5) 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 H1 H1 Overall width w/lead protrusion C1 Overall width w/o lead protrusion C2 L1 Pitch tolerance 20 consecutive Device pitch: MF-R005 – MF-R160 & MF-R/90 Device pitch: MF-R185 – MF-R400 & MF-R/600 Device pitch: MF-RX110 – MF-RX160 Device pitch: MF-RX185 – MF-RX375 Device pitch: MF-R/250 & MF-RX/250 t t t1 Tape thickness with splice Splice sprocket hole alignment 12.7 (0.5) 25.4 (1.0) 12.7 (0.5) 12.7 (0.5) 12.7 (0.5) 0.9 (.035) 2.0 (.079) 0 Body lateral deviation ∆h ∆h Body tape plane deviation ∆p ∆p 0 3.81 (.015) Lead seating plane deviation: MF-R/600* ∆P1 P1 Lead seating plane deviation ∆P1 P1 Lead spacing F F Reel width w w Reel diameter d a Space between flanges less device *Differs from EIA specification. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. min. ref. No protrusion 3 (.118) 9 (.354) 4 (.157) 18.5 (.728) 16 (.63) 32.2 (1.268) 43.2 (1.7) 42.5 (1.673) 1.0 (.039) 11 (.433) Tape thickness -0.5/+1.0 (-0.02/+.039) 0 0 5.08 (0.2) 56 (2.205) 370 (14.57) 4.75 (.187) max. -0.5/+0.75 (-0.02/+0.03) ±0.2 (±.0078) ±3.0 (±.118) ±0.5 (±.02) max. max. max. max. max. ±0.3 (±.012) ±1 max. max. ±0.3 (±.012) ±1.0 (±.039) ±1.3 (±.051) ±0.7 (±.028) ±0.7 (±.028) ±0.8 (±.035) max. max. ±3.25 (±.128) DIMENSIONS = MM (INCHES) MF-R, MF-RX, MF-R/90, MF-R/250, MF-RX/250 & MF-R/600 Series Tape and Reel Specifications IEC Mark Dimension Description EIA Mark Dimensions Dimensions Tolerance Space between flanges less device Arbor hole diameter f c Core diameter: MF-R, MF-RX, MF-R/90 & MF-R/250 h n Core diameter: MF-RX/250 & MF-R/600 h n 4.75 (.187) 26 (1.024) ±3.25 (±.128) ±12.0 (±.472) 80 (3.15) max. 91 (3.58) 372 (14.6) 372 (14.6) 372 (14.6) 56 (2.2) 67 (2.64) 64 (2.52) Box: MF-R, MF-RX, MF-R/90 & MF-R/250 Box: MF-RX/250 Box: MF-R/600 max. 372 (14.6) 362 (14.25) 362 (14.25) max. max. max. Consecutive missing places: MF-R, MF-RX, MF-R/90 & MF-R/250 3 Consecutive missing places: MF-RX/250 & MF-R/600 max. None Empty places per reel: MF-R, MF-RX, MF-R/90 & MF-R/250 Not specified Empty places per reel: MF-RX/250 & MF-R/600 0.1 % 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.