*RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Product manufactured with a date code later than April 1, 2005 is RoHS compliant.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-R Series - PTC Resettable Fuses
R
0180T
1
10
1 Hour (R1) Max. Time Tripped
Ihold Itrip Initial Post-Trip To Trip Power
Resistance Resistance Dissipation
Model Amperes Ohms Ohms Amperes Seconds Watts
V max. I max.
at 23 °C at 23 °C at 23 °C at 23 °C at 23 °C at 23 °C
Volts Amps
Hold Trip Min. Max. Max. Typ.
MF-R005 60 40 0.05 0.10 7.3 11.1 22.0 0.5 5.0 0.22
MF-R010 60 40 0.10 0.20 2.50 4.50 7.50 0.5 4.0 0.38
MF-R017 60 40 0.17 0.34 2.00 3.20 8.00 0.85 3.0 0.48
MF-R020 60 40 0.20 0.40 1.50 2.84 4.40 1.0 2.2 0.40
MF-R025 60 40 0.25 0.50 1.00 1.95 3.00 1.25 2.5 0.45
MF-R030 60 40 0.30 0.60 0.76 1.36 2.10 1.5 3.0 0.50
MF-R040 60 40 0.40 0.80 0.52 0.86 1.29 2.0 3.8 0.55
MF-R050 60 40 0.50 1.00 0.41 0.77 1.17 2.5 4.0 0.75
MF-R065 60 40 0.65 1.30 0.27 0.48 0.72 3.25 5.3 0.90
MF-R075 60 40 0.75 1.50 0.18 0.40 0.60 3.75 6.3 0.90
MF-R090 60 40 0.90 1.80 0.14 0.31 0.47 4.5 7.2 1.00
MF-R090-0-9 30 40 0.90 1.80 0.07 0.12 0.22 4.5 5.9 0.60
MF-R110 30 40 1.10 2.20 0.10 0.18 0.27 5.5 6.6 0.70
MF-R135 30 40 1.35 2.70 0.065 0.115 0.17 6.75 7.3 0.80
MF-R160 30 40 1.60 3.20 0.055 0.105 0.15 8.0 8.0 0.90
MF-R185 30 40 1.85 3.70 0.040 0.07 0.11 9.25 8.7 1.00
MF-R250 30 40 2.50 5.00 0.025 0.048 0.07 12.5 10.3 1.20
MF-R250-0-10 30 40 2.50 5.00 0.025 0.048 0.07 12.5 10.3 1.20
MF-R300 30 40 3.00 6.00 0.020 0.05 0.08 15.0 10.8 2.00
MF-R400 30 40 4.00 8.00 0.010 0.03 0.05 20.0 12.7 2.50
MF-R500 30 40 5.00 10.00 0.010 0.03 0.05 25.0 14.5 3.00
MF-R600 30 40 6.00 12.00 0.005 0.02 0.04 30.0 16.0 3.50
MF-R700 30 40 7.00 14.00 0.005 0.02 0.03 35.0 17.5 3.80
MF-R800 30 40 8.00 16.00 0.005 0.02 0.03 40.0 18.8 4.00
MF-R900 30 40 9.00 18.00 0.005 0.01 0.02 45.0 *20.0 4.20
MF-R1100 16 100 11.00 22.00 0.003 0.01 0.014 40.0 20.0 4.50
Electrical Characteristics
Features
Radial Leaded Devices
Cured, flame retardant epoxy polymer
insulating material meets UL 94V-0
requirements
RoHS compliant*
Agency recognition:
Applications
Almost anywhere there is a low voltage
power supply and a load to be protected,
including:
Computers & peripherals
General electronics
Automotive applications
*Tested at 40 amps
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 ....................................................-40 °C to +85 °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
Environmental Characteristics
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
Test Procedures And Requirements For Model MF-R Series
TV Rheinland
*RoHS COMPLIANT
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
A B C D E Physical Characteristics
Model Max. Max. Nom. Tol. ± Min. Max. Style Lead Dia. Material
MF-R005 8.0 8.3 5.1 0.7 7.6 3.1 40.405 Sn/NiCu
(0.315) (0.327) (0.201) (0.028) (0.299) (0.122) (0.016)
MF-R010 7.4 12.7 5.1 0.7 7.6 3.1 10.51 Sn/NiCu
(0.291) (0.5) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R017 7.4 12.7 5.1 0.7 7.6 3.1 10.51 Sn/CuFe
(0.291) (0.5) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R020 7.4 12.7 5.1 0.7 7.6 3.1 10.51 Sn/CuFe
(0.291) (0.5) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R025 7.4 12.7 5.1 0.7 7.6 3.1 10.51 Sn/CuFe
(0.291) (0.5) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R030 7.4 13.4 5.1 0.7 7.6 3.1 10.51 Sn/CuFe
(0.291) (0.528) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R040 7.4 13.7 5.1 0.7 7.6 3.1 10.51 Sn/CuFe
(0.291) (0.539) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R050 7.9 13.7 5.1 0.7 7.6 3.1 10.51 Sn/Cu
(0.311) (0.539) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R065 9.7 15.2 5.1 0.7 7.6 3.1 10.51 Sn/Cu
(0.382) (0.598) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R075 10.4 16.0 5.1 0.7 7.6 3.1 10.51 Sn/Cu
(0.409) (0.630) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R090 11.7 16.7 5.1 0.7 7.6 3.1 10.51 Sn/Cu
(0.461) (0.657) (0.201) (0.028) (0.299) (0.122) (0.020)
MF-R090-0-9 7.4 12.2 5.1 0.7 7.6 3.0 30.51 Sn/CuFe
(0.291) (0.480) (0.201) (0.028) (0.299) (0.118) (0.020)
MF-R110 8.9 14.0 5.1 0.7 7.6 3.0 10.51 Sn/Cu
(0.350) (0.551) (0.201) (0.028) (0.299) (0.118) (0.020)
MF-R135 8.9 18.9 5.1 0.7 7.6 3.0 10.51 Sn/Cu
(0.350) (0.744) (0.201) (0.028) (0.299) (0.118) (0.020)
MF-R160 10.2 16.8 5.1 0.7 7.6 3.0 10.51 Sn/Cu
(0.402) (0.661) (0.201) (0.028) (0.299) (0.118) (0.020)
MF-R185 12.0 18.4 5.1 0.7 7.6 3.0 10.51 Sn/Cu
(0.472) (0.724) (0.201) (0.028) (0.299) (0.118) (0.020)
MF-R250 12.0 18.3 5.1 0.7 7.6 3.0 20.81 Sn/Cu
(0.472) (0.720) (0.201) (0.028) (0.299) (0.118) (0.032)
MF-R250-0-10 12.0 18.3 5.1 0.7 7.6 3.0 30.51 Sn/CuFe
(0.472) (0.720) (0.201) (0.028) (0.299) (0.118) (0.020)
MF-R300 12.0 18.3 5.1 0.7 7.6 3.0 20.81 Sn/Cu
(0.472) (0.720) (0.201) (0.028) (0.299) (0.118) (0.032)
MF-R400 14.4 24.8 5.1 0.7 7.6 3.0 20.81 Sn/Cu
(0.567) (0.976) (0.201) (0.028) (0.299) (0.118) (0.032)
MF-R500 17.4 24.9 10.2 0.7 7.6 3.0 20.81 Sn/Cu
(0.685) (0.980) (0.402) (0.028) (0.299) (0.118) (0.032)
MF-R600 19.3 31.9 10.2 0.7 7.6 3.0 20.81 Sn/Cu
(0.760) (1.256) (0.402) (0.028) (0.299) (0.118) (0.032)
MF-R700 22.1 29.8 10.2 0.7 7.6 3.0 20.81 Sn/Cu
(0.870) (1.173) (0.402) (0.028) (0.299) (0.118) (0.032)
MF-R800 24.2 32.9 10.2 0.7 7.6 3.0 20.81 Sn/Cu
(0.953) (1.295) (0.402) (0.028) (0.299) (0.118) (0.032)
MF-R900 24.2 32.9 10.2 0.7 7.6 3.0 20.81 Sn/Cu
(0.953) (1.295) (0.402) (0.028) (0.299) (0.118) (0.032)
MF-R1100 24.2 32.9 10.2 0.7 7.6 3.0 20.81 Sn/Cu
(0.953) (1.295) (0.402) (0.028) (0.299) (0.118) (0.032)
Product Dimensions (see next page for outline drawing)
Packaging options: BULK: All models = 500 pcs. per bag.
TAPE & REEL: MF-R005-MF-R160 - 12.7 mm device pitch = 3000 pcs. per reel;
MF-R185-MF-R400 - 25.4mm device pitch = 1500 pcs. per reel; MF-R250-0-10 = 1500 pcs. per reel.
AMMO-PACK: MF-R005-MF-R160 - 12.7 mm device pitch = 2000 pcs. per reel;
MF-R185-MF-R400 - 25.4 mm device pitch = 1000 pcs. per reel; MF-R090-0-9 & MF-R250-0-10 = 2000 pcs. per reel.
0.405 (26AWG)
0.51 (24AWG)
0.81 (20AWG)
MF-R Series - PTC Resettable Fuses
Additional Features
Bulk packaging, tape and reel and Ammo-Pak available on most models
Patents pending
MM
(INCHES)
DIMENSIONS =
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Thermal Derating Chart - Ihold / Itrip (Amps)
Ambient Operating Temperature
Model -40 °C -20 °C0
°C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C
MF-R005 0.08 / 0.16 0.07 / 0.14 0.06 / 0.12 0.05 / 0.10 0.04 / 0.08 0.04 / 0.08 0.03 / 0.07 0.03 / 0.07 0.02 / 0.05
MF-R010 0.16 / 0.32 0.14 / 0.28 0.12 / 0.24 0.10 / 0.20 0.08 / 0.16 0.07 / 0.14 0.06 / 0.12 0.05 / 0.10 0.04 / 0.08
MF-R017 0.26 / 0.52 0.23 / 0.46 0.20 / 0.40 0.17 / 0.34 0.14 / 0.28 0.12 / 0.24 0.11 / 0.22 0.09 / 0.18 0.07 / 0.14
MF-R020 0.31 / 0.62 0.27 / 0.54 0.24 / 0.48 0.20 / 0.40 0.16 / 0.32 0.14 / 0.28 0.13 / 0.26 0.11 / 0.22 0.08 / 0.16
MF-R025 0.39 / 0.78 0.34 / 0.68 0.30 / 0.60 0.25 / 0.50 0.20 / 0.40 0.18 / 0.36 0.16 / 0.32 0.14 / 0.28 0.10 / 0.20
MF-R030 0.47 / 0.94 0.41 / 0.82 0.36 / 0.72 0.30 / 0.60 0.24 / 0.48 0.22 / 0.44 0.19 / 0.38 0.16 / 0.32 0.12 / 0.24
MF-R040 0.62 / 1.24 0.54 / 1.08 0.48 / 0.96 0.40 / 0.80 0.32 / 0.64 0.29 / 0.58 0.25 / 0.50 0.22 / 0.44 0.16 / 0.32
MF-R050 0.78 / 1.56 0.68 / 1.36 0.60 / 1.20 0.50 / 1.00 0.41 / 0.82 0.36 / 0.72 0.32 / 0.64 0.27 / 0.54 0.20 / 0.40
MF-R065 1.01 / 2.02 0.88 / 1.76 0.77 / 1.54 0.65 / 1.30 0.53 / 1.06 0.47 / 0.94 0.41 / 0.82 0.35 / 0.70 0.26 / 0.52
MF-R075 1.16 / 2.32 1.02 / 2.04 0.89 / 1.78 0.75 / 1.50 0.61 / 1.22 0.54 / 1.08 0.47 / 0.94 0.41 / 0.82 0.30 / 0.60
MF-R090 1.40 / 2.80 1.22 / 2.44 1.07 / 2.14 0.90 / 1.80 0.73 / 1.46 0.65 / 1.30 0.57 / 1.14 0.49 / 0.98 0.36 / 0.72
MF-R090-0-9 1.40 / 2.80 1.22 / 2.44 1.07 / 2.14 0.90 / 1.80 0.73 / 1.46 0.65 / 1.30 0.57 / 1.14 0.49 / 0.98 0.36 / 0.72
MF-R110 1.60 / 3.20 1.43 / 2.86 1.27 / 2.54 1.10 / 2.20 0.91 / 1.82 0.85 / 1.70 0.75 / 1.50 0.67 / 1.34 0.57 / 1.14
MF-R135 1.96 / 3.92 1.76 / 3.52 1.55 / 3.10 1.35 / 2.70 1.12 / 2.24 1.04 / 2.08 0.92 / 1.84 0.82 / 1.64 0.70 / 1.40
MF-R160 2.32 / 4.64 2.08 / 4.16 1.84 / 3.68 1.60 / 3.20 1.33 / 2.66 1.23 / 2.46 1.09 / 2.18 0.98 / 1.96 0.83 / 1.66
MF-R185 2.68 / 5.36 2.41 / 4.82 2.13 / 4.26 1.85 / 3.70 1.54 / 3.08 1.42 / 2.84 1.26 / 2.52 1.13 / 2.26 0.96 / 1.92
MF-R250 3.63 / 7.26 3.25 / 6.50 2.88 / 5.76 2.50 / 5.00 2.08 / 4.16 1.93 / 3.86 1.70 / 3.40 1.53 / 3.06 1.30 / 2.60
MF-R250-0-10 3.63 / 7.26 3.25 / 6.50 2.88 / 5.76 2.50 / 5.00 2.08 / 4.16 1.93 / 3.86 1.70 / 3.40 1.53 / 3.06 1.30 / 2.60
MF-R300 4.35 / 8.70 3.90 / 7.80 3.45 / 6.90 3.00 / 6.00 2.49 / 4.98 2.31 / 4.62 2.04 / 4.08 1.83 / 3.66 1.56 / 3.12
MF-R400 5.80 / 11.6 5.20 / 10.4 4.60 / 9.20 4.00 / 8.00 3.32 / 6.64 3.08 / 6.16 2.72 / 5.44 2.44 / 4.88 2.08 / 4.16
MF-R500 7.25 / 14.5 6.50 / 13.0 5.75 / 11.5 5.00 / 10.0 4.15 / 8.30 3.85 / 7.70 3.40 / 6.80 3.05 / 6.10 2.60 / 5.20
MF-R600 8.70 / 17.4 7.80 / 15.6 6.90 / 13.8 6.00 / 12.0 4.98 / 9.96 4.62 / 9.24 4.08 / 8.16 3.66 / 7.32 3.12 / 6.24
MF-R700 10.1 / 20.3 9.10 / 18.2 8.05 / 16.1 7.00 / 14.0 5.81 / 11.6 5.39 / 10.7 4.76 / 9.52 4.27 / 9.44 3.64 / 7.28
MF-R800 11.6 / 23.2 10.4 / 20.8 9.20 / 18.4 8.00 / 16.0 6.64 / 13.2 6.16 / 12.3 5.44 / 10.8 4.88 / 9.76 4.16 / 8.32
MF-R900 13.0 / 26.1 11.7 / 23.4 10.3 / 20.7 9.00 / 18.0 7.47 / 14.9 6.93 / 12.7 6.12 / 12.2 5.49 / 10.9 4.68 / 9.36
MF-R1100 16.1 / 32.0 14.6 / 29.2 13.1 / 26.2 11.0 / 22.1 9.40 / 18.4 8.80 / 17.6 7.80 / 15.6 6.90 / 13.8 5.20 / 10.4
NOTE: Kinked lead option is
available for board standoff.
Contact factory for details.
NOTE: Also available with
straight leads. Contact
factory for details.
AE
B
D
B
D
C
Style 1
AE
B
D
C
Style 2
AE
C
Style 3 Style 4
AE
B
D
C
Product Dimensions (see previous page for dimensions)
MF-R Series - PTC Resettable Fuses
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
How to Order
MF - R 110 - 0 - 99
Multifuse®
Product Designator
Series
R = Radial Leaded Component
Hold Current, Ihold
005-1100 (0.05 Amps - 11.0 Amps)
Packaging Options
- __ = Bulk Packaging without part number
suffix option
- 0-99 = Bulk Packaging with part number
suffix option
- 2 = Tape and Reel without part number
suffix option*
- 2-99 = Tape and Reel with part number
suffix option
- AP = Ammo-Pak*
- 0-14 = Kinked leads where straight leads are
standard
- 0-17 = Straight leads where kinked leads are
standard
Part Number Suffix Option
- 99 = As of date code April 1, 2005 all MF-R
models are RoHS compliant. The suffix “-99”
can be used if a new part number is required
to reference the RoHS compliance.
Examples:
MF-R110 ................Bulk packaging
MF-R110-0-99 ......Bulk packaging with part
number suffix option
MF-R110-2 ............Tape and reel packaging
MF-R110-2-99 ......Tape and reel packaging
with part number suffix
option
MF-R090-0-9-99 ....Bulk packaging with part
number suffix option
MF-R250-0-10-99 ..Bulk packaging with part
number suffix option
*Packaged per EIA486-B
Typical Time to Trip at 23 °C
100
10
1
0.1
0.01
0.001
0.1 1 10 100
Fault Current (Amps)
Time to trip (Seconds)
MF-R017
MF-R040
MF-R075
MF-R020
MF-R050
MF-R065
MF-R090
MF-R025
MF-R030
MF-R010
MF-R005
MF-R Series - PTC Resettable Fuses
MF-R SERIES, REV. V, 06/07
100
10
1
0.1
0.01
0.001
110 100
Fault Current (Amps)
Time to trip (Seconds)
MF-R110
MF-R250,
250-0-10
MF-R500
MF-R135
MF-R300
MF-R400
MF-R600
MF-R700
MF-R800
MF-R900
MF-R1100
MF-R160
MF-R185
MF-R090
-0-9
Typical Part Marking: MF-R005 - R025
Represents total content. Layout may vary.
025
0A
PART
IDENTIFICATION
MANUFACTURER'S
TRADEMARK
DATE CODE:
WEEK 1 OF 2000 = 0A
(YEAR & WEEK)
WEEK 27 OF 2000 = A0
(WEEK & YEAR)
Typical Part Marking: MF-R030 - R1100
Represents total content. Layout may vary.
R250
0180T
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
LOT NO.
(T = TAIWAN
S = CHINA)
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: all others W0W4min.
Hold down tape No protrusion
Top distance between tape edges W2W6max.
Sprocket hole position W1W5
Sprocket hole diameter D0D0
Abscissa to plane (straight lead) HH
Abscissa to plane (kinked lead) H0H0
Abscissa to top (straight lead) H1H1max.
Abscissa to top (kinked lead) H1H1max.
Overall width w/lead protrusion (straight lead) C1max.
Overall width w/lead protrusion (kinked lead) C1max.
Overall width w/o lead protrusion (straight lead) C2max.
Overall width w/o lead protrusion (kinked lead) C2max.
Lead protrusion I1L1max.
Protrusion of cutout LL max.
Protrusion beyond hold tape I2I2Not specified
Sprocket hole pitch P0P0
Pitch tolerance 20 consecutive ±1
Device pitch: MF-R005–MF-R160, MF-R/90 & MF-RX/72
Device pitch: MF-R185–MF-R400,
MF-RX110–MF-RX375
Tape thickness tt max.
Tape thickness with splice: MF-R010–MF-R160 t1max.
Tape thickness with splice: MF-R250–MF-R1100
MF-RX110–MF-RX375 & MF-R/90 t1max.
Splice sprocket hole alignment 0
Body lateral deviation hh0
Body tape plane deviation pp0
Lead spacing FF
Reel width wW
2max.
Reel diameter da max.
Space between flanges less device W1h
MF-R, MF-RX, MF-R/90, MF-RX/72 & MF-RX/250 Series
Tape and Reel Specifications
18
(.709)
-0.5/+1.0
(-0.02/+.039)
9
(.354)
-0.5/+0.75
(-0.02/+0.03)
4
(.157)
±0.2
(±.0078)
18.5
(.728)
±3.0
(±.118)
16
(.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)
11
(.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)
56
(2.205)
370
(14.57)
±0.3
(±.012)
±0.3
(±.012)
±1.0
(±.039)
±0.3
(±.021)
±0.2
(±.008)
4.75
(.187)
±3.25
(±.128)
11
(.433)
3
(.118)
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.
Box: MF-R, MF-RX, MF-R/90 max.
Consecutive missing places:
MF-R, MF-RX, MF-R/90 3 max.
Empty places per reel: MF-R, MF-RX, MF-R/90 Not specified
MF-R, MF-RX, MF-R/90, 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
pp
H
H1
Reference plane
W0
H0W1
W
AB
F
D0
P0
I1
I2
L
H1
P1
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
26
(1.024)
80
(3.15)
56
(2.2)
372
(14.6)
372
(14.6)
±12.0
(±.472)
DIMENSIONS = MM
(INCHES)