Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Electrical Characteristics
Max. Time Tripped
Ihold Itrip To Trip Power
Resistance Dissipation
Model Amperes Ohms Amperes Seconds Watts
V max. I max.
at 23 °C at 23 °C at 23 °C at 23 °C at 23 °C
Volts Amps
Hold Trip RMin. R1Max. Typ.
MF-MSMD010 60.0 40 0.10 0.30 0.70 15.00 0.5 1.5 1.0
MF-MSMD014 60.0 40 0.14 0.34 0.40 6.50 1.5 0.15 1.0
MF-MSMD020 30.0 80 0.20 0.40 0.40 6.00 6.0 0.06 1.0
MF-MSMD030 30.0 10 0.30 0.60 0.30 3.00 8.0 0.10 1.2
MF-MSMD050 15.0 100 0.50 1.00 0.15 1.00 8.0 0.15 1.2
MF-MSMD075 13.2 100 0.75 1.50 0.11 0.45 8.0 0.20 1.2
MF-MSMD110 6.0 100 1.10 2.20 0.04 0.21 8.0 0.30 1.2
MF-MSMD125 6.0 100 1.25 2.50 0.035 0.14 8.0 0.4 1.5
MF-MSMD150 6.0 100 1.50 3.00 0.03 0.120 8.0 0.5 1.5
MF-MSMD160 8.0 100 1.60 2.80 0.035 0.099 8.0 2.0 1.5
MF-MSMD200 6.0 100 2.00 4.00 0.020 0.100 8.0 3.0 1.5
MF-MSMD260 6.0 100 2.60 5.20 0.015 0.080 8.0 5.0 1.5
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 ....................................................+85 °C to -40 °C, 20 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 R1max
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
Solderability ....................................MIL-STD-202F, Method 208F..........................................95 % min. coverage
UL File Number ..................................E174545
http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545
CSA File Number ................................CA110338
http://directories.csa-international.org/ Under “Certification Record” and “File Number” enter 110338-0-000
TÜV Certificate Number......................R 02057213
http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213
Test Procedures And Requirements For Model MF-MSMD Series
MF-MSMD Series - PTC Resettable Fuses
Features
4.5 mm SMD
Fast tripping resettable circuit protection
Surface mount packaging for automated
assembly
Reduced component size and resistance
Agency recognition:
The MF-MSMD Series is currently
available, although not recommended
for new designs. The MF-MSMF
Series is preferred.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
A
B
C
Top and Bottom View Side View
D
Product Dimensions
Packaging: 2000 pcs. per reel.
MF-MSMD Series - PTC Resettable Fuses
ABCD
Model Min. Max. Min. Max. Min. Max. Min.
MF-MSMD010 4.37 4.73 3.07 3.41 0.56 0.81 0.30
(0.172) (0.186) (0.121) (0.134) (0.022) (0.032) (0.012)
MF-MSMD014 4.37 4.73 3.07 3.41 0.56 0.81 0.30
(0.172) (0.186) (0.121) (0.134) (0.022) (0.032) (0.012)
MF-MSMD020 4.37 4.73 3.07 3.41 0.56 0.81 0.30
(0.172) (0.186) (0.121) (0.134) (0.022) (0.032) (0.012)
MF-MSMD030 4.37 4.73 3.07 3.41 0.56 0.81 0.30
(0.172) (0.186) (0.121) (0.134) (0.022) (0.032) (0.012)
MF-MSMD050 4.37 4.73 3.07 3.41 0.38 0.62 0.30
(0.172) (0.186) (0.121) (0.134) (0.015) (0.024) (0.012)
MF-MSMD075 4.37 4.73 3.07 3.41 0.38 0.62 0.30
(0.172) (0.186) (0.121) (0.134) (0.015) (0.024) (0.012)
MF-MSMD110 4.37 4.73 3.07 3.41 0.38 0.62 0.30
(0.172) (0.186) (0.121) (0.134) (0.015) (0.024) (0.012)
MF-MSMD125 4.37 4.73 3.07 3.41 0.30 0.48 0.30
(0.172) (0.186) (0.121) (0.134) (0.012) (0.019) (0.012)
MF-MSMD150 4.37 4.73 3.07 3.41 0.30 0.48 0.30
(0.172) (0.186) (0.121) (0.134) (0.012) (0.019) (0.012)
MF-MSMD160 4.37 4.73 3.07 3.41 0.30 0.48 0.30
(0.172) (0.186) (0.121) (0.134) (0.012) (0.019) (0.012)
MF-MSMD200 4.37 4.73 3.07 3.41 0.30 0.48 0.30
(0.172) (0.186) (0.121) (0.134) (0.012) (0.019) (0.012)
MF-MSMD260 4.37 4.73 3.07 3.41 0.25 0.48 0.30
(0.172) (0.186) (0.121) (0.134) (0.010) (0.019) (0.012)
160–220
300
250
200
150
100
50
0
10–20
Temperature (°C)
120
Preheating Soldering Cooling
Time (seconds)
Solder Reflow Recommendations
Additional Features
Patents pending
Applications
High Density Circuit Board Applications:
Hard disk drives
PC motherboards
PC peripherals
Point-of-sale (POS) equipment
PCMCIA cards
Note:
MF-MSMD models can be wave soldered and reworked.
If reflow temperatures exceed the recommended profile, devices may not meet the performance
requirements.
Recommended Pad Layout
3.2 ± 0.1
(0.126 ± .004)
2.70 ± 0.1
(.106 ± .004)
1.5 ± 0.05
(.059 ± .002)
1.5 ± 0.05
(.059 ± .002)
MM
(INCHES)
UNIT =
Terminal material: solder-plated copper
Termination pad solderability: Meets EIA
Specification RS-186-9E, ANSI/J-STD-002
Category 3.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
How to Order
MF - MSMD 075 - 2
Multifuse®Product
Designator
Series
MSMD = 4.5 mm Surface Mount
Component
Hold Current, Ihold
010-260 (0.10 Amps - 2.60 Amps)
Packaging
Packaged per EIA 481-1
-2 = Tape and Reel
Typical Time to Trip at 23 °C
0.01
0.001
0.1 1 10 100
0.1
1
10
100
Fault Current (Amps)
Time to Trip (Seconds)
MF-MSMD020
MF-MSMD050
MF-MSMD200
MF-MSMD030
MF-MSMD014
MF-MSMD075
MF-MSMD110
MF-MSMD150
MF-MSMD160
MF-MSMD260
MF-MSMD125
MF-MSMD010
MF-MSMD Series - PTC Resettable Fuses
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-MSMD010 0.16 / 0.32 0.14 / 0.28 0.12 / 0.24 0.11 / 0.22 0.08 / 0.16 0.07 / 0.14 0.06 / 0.12 0.05 / 0.10 0.03 / 0.06
MF-MSMD014 0.23 / 0.52 0.19 / 0.45 0.17 / 0.40 0.14 / 0.34 0.12 / 0.29 0.10 / 0.25 0.09 / 0.23 0.08 / 0.21 0.06 / 0.16
MF-MSMD020 0.29 / 0.58 0.26 / 0.52 0.23 / 0.46 0.20 / 0.40 0.17 / 0.34 0.15 / 0.30 0.14 / 0.28 0.12 / 0.24 0.10 / 0.20
MF-MSMD030 0.44 / 0.88 0.39 / 0.78 0.35 / 0.70 0.30 / 0.60 0.26 / 0.52 0.23 / 0.46 0.21 / 0.42 0.18 / 0.36 0.15 / 0.30
MF-MSMD050 0.77 / 1.54 0.68 / 1.36 0.59 / 1.18 0.50 / 1.00 0.44 / 0.88 0.40 / 0.80 0.37 / 0.74 0.33 / 0.66 0.29 / 0.58
MF-MSMD075 1.15 / 2.30 1.01 / 2.02 0.88 / 1.76 0.75 / 1.50 0.65 / 1.30 0.60 / 1.20 0.55 / 1.10 0.49 / 0.98 0.43 / 0.86
MF-MSMD110 1.59 / 3.18 1.43 / 2.86 1.26 / 2.52 1.10 / 2.20 0.95 / 1.90 0.87 / 1.74 0.80 / 1.60 0.71 / 1.42 0.60 / 1.20
MF-MSMD125 1.80 / 3.61 1.63 / 3.25 1.43 / 2.86 1.25 / 2.50 1.08 / 2.16 0.99 / 1.98 0.91 / 1.82 0.81 / 1.62 0.68 / 1.36
MF-MSMD150 2.17 / 4.34 1.95 / 3.90 1.72 / 3.44 1.50 / 3.00 1.30 / 2.59 1.18 / 2.37 1.09 / 2.18 0.97 / 1.94 0.82 / 1.64
MF-MSMD160 2.30 / 5.00 2.20 / 4.40 1.90 / 3.80 1.60 / 2.80 1.45 / 2.90 1.30 / 2.60 1.15 / 2.30 1.03 / 2.06 0.91 / 1.82
MF-MSMD200 3.08 / 6.14 2.71 / 5.39 2.35 / 4.62 2.00 / 4.01 1.80 / 1.61 1.60 / 3.19 1.50 / 2.98 1.07 / 2.12 0.80 / 1.58
MF-MSMD260 4.00 / 7.98 3.52 / 7.01 3.06 / 6.09 2.60 / 5.15 2.34 / 4.64 2.08 / 4.13 1.95 / 3.87 1.39 / 2.74 1.04 / 2.05
Typical Part Marking
Represents total content. Layout may vary.
075
0A
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
DATE CODE -
WEEK 1 OF 2000 = 0A
(YEAR & WEEK)
WEEK 27 OF 2000 = A0
(WEEK & YEAR)
MF-MSMD SERIES, REV. R, 09/05
MF-MSMD Series MF-USMD Series MF-ESMD Series
Tape Dimensions per EIA-481-1 per EIA 481-1 per EIA 481-2
W
P0
P1
P2
A0
B0
B1max.
D0
F
E1
E2min.
T max.
T1max.
K0
Leader min.
Trailer min.
Reel Dimensions
A max.
N min.
W1
W2 max.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-MSMD, MF-USMD & MF-ESMD Series Tape and Reel Specs
B1
N(HUB DIA.)
(MEASURED
AT HUB)
A
T
COVER
TAPE
K0
T1A0
W2
(MEASURED
AT HUB)
W
1
P1
B0
F
D0P2
P
0
E2
E1
W
UNIT = MM
(INCHES)
12.0 ± 0.30
(0.472 ± 0.012)
8.0 ± 0.30
(0.315 ± 0.012)
4.0 ± 0.10
(0.157 ± 0.004)
4.0 ± 0.10
(0.157 ± 0.004)
8.0 ± 0.10
(0.315 ± 0.004)
4.0 ± 0.10
(0.157 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
2.0 ± 0.05
(0.079 ± 0.002)
3.66 ± 0.15
(0.144 ± 0.006) 2.76 ± 0.10
(0.109 ± 0.004)
4.98 ± 0.10
(0.196 ± 0.004)
5.5 ± 0.05
(0.217 ± 0.002)
3.5 ± 0.05
(0.138 ± 0.002)
1.75 ± 0.10
(0.069 ± 0.004)
1.75 ± 0.10
(0.069 ± 0.004)
0.95 ± 0.10
(0.037 ± 0.004)
1.5 + 0.10/-0.00
(0.059 + 0.004/-0)
1.50 + 0.1/-0.0
(0.059 + 0.004/-0)
12.4 + 2.0/-0.0
(0.488 + 0.079/-0.0)
8.4 + 1.5/-0.0
(0.331 + 0.059/-0)
5.9
(0.232)
4.35
(0.171)
10.25
(0.404)
6.25
(0.246)
0.6
(0.024)
0.6
(0.024)
0.1
(0.004)
0.1
(0.004)
390
(15.35)
390
(15.35)
160
(6.30)
160
(6.30)
185
(7.28)
185
(7.28)
50
(1.97)
50
(1.97)
18.4
(0.724)
14.4
(0.567)
24.0 ± 0.3
(0.945 ± 0.012)
4.0 ± 0.1
(0.157 ± 0.004)
8.0 ± 0.1
(0.315 ± 0.004)
2.0 ± 0.1
(0.079 ± 0.004)
5.65 ± 0.1
(0.222 ± 0.004)
11.86 ± 0.1
(0.467 ± 0.004)
11.5 ± 0.10
(0.453 ± 0.004)
1.75 ± 0.10
(0.069 ± 0.004)
0.85 ± 0.1
(0.033 ± 0.004)
1.5 + 0.1/-0.0
(0.059 + 0.004/-0)
24.4 + 2.0/ -0.0
(0.961 + 0.079/-0)
20.1
(0.791)
22.25
(0.876)
0.6
(0.024)
0.1
(0.004)
390
(15.35)
160
(6.30)
360
(14.17)
60
(2.36)
30.4
(1.20)
MF-USMD005,010,020:
2.93 ± 0.15
(0.115 ± 0.006)
MF-USMD035,050,075,110:
3.5 ± 0.1
(0.138 ± 0.004)
MF-USMD005,010,020:
3.56 ± 0.1
(0.140 ± 0.004)
MF-USMD035,050,075,110:
1.07 ± 0.10
(0.042 ± 0.004)
MF-USMD005,010,020:
0.75 ± 0.10
(0.030 ± 0.004)
MF-USMD035,050,075,110: