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.
MF-MSMD Series -
PTC Resettable Fuses
Electrical Characteristics
Tripped
Power
Dissipation
Ihold
Model
V max.
Volts
I max.
Amps
Itrip
Resistance
Ohms
at 23
°C
RMin.
R1Max.
Max. Time
To Trip
Amperes
at 23
°C
Seconds
at 23
°C
Amperes
at 23
°C
Hold
Trip
Watts
at 23
°C
Typ.
MF-MSMD010
MF-MSMD014
MF-MSMD020
MF-MSMD030
MF-MSMD050
MF-MSMD075
MF-MSMD110
MF-MSMD125
MF-MSMD150
MF-MSMD160
MF-MSMD200
MF-MSMD260
60.0
60.0
30.0
30.0
15.0
13.2
6.0
6.0
6.0
8.0
6.0
6.0
40
40
80
10
100
100
100
100
100
100
100
100
0.10
0.14
0.20
0.30
0.50
0.75
1.10
1.25
1.50
1.60
2.00
2.60
0.30
0.34
0.40
0.60
1.00
1.50
2.20
2.50
3.00
2.80
4.00
5.20
0.70
0.40
0.40
0.30
0.15
0.11
0.04
0.035
0.03
0.035
0.020
0.015
15.00
6.50
6.00
3.00
1.00
0.45
0.21
0.14
0.120
0.099
0.100
0.080
0.5
1.5
6.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
1.5
0.15
0.06
0.10
0.15
0.20
0.30
0.4
0.5
2.0
3.0
5.0
1.0
1.0
1.0
1.2
1.2
1.2
1.2
1.5
1.5
1.5
1.5
1.5
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 ....................................................+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
Test Procedures And Requirements For Model MF-MSMD 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
≤
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
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Additional Features
■
Applications
High Density Circuit Board Applications:
■
Hard disk drives
■
PC motherboards
■
PC peripherals
■
Point-of-sale (POS) equipment
■
PCMCIA cards
Patents pending
MF-MSMD Series -
PTC Resettable Fuses
Product Dimensions
Model
MF-MSMD010
MF-MSMD014
MF-MSMD020
MF-MSMD030
MF-MSMD050
MF-MSMD075
MF-MSMD110
MF-MSMD125
MF-MSMD150
MF-MSMD160
MF-MSMD200
MF-MSMD260
Packaging: 2000 pcs. per reel.
A
Min.
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
4.37
(0.172)
Max.
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
4.73
(0.186)
Min.
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
3.07
(0.121)
B
Max.
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
3.41
(0.134)
Min.
0.56
(0.022)
0.56
(0.022)
0.56
(0.022)
0.56
(0.022)
0.38
(0.015)
0.38
(0.015)
0.38
(0.015)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.25
(0.010)
C
Max.
0.81
(0.032)
0.81
(0.032)
0.81
(0.032)
0.81
(0.032)
0.62
(0.024)
0.62
(0.024)
0.62
(0.024)
0.48
(0.019)
0.48
(0.019)
0.48
(0.019)
0.48
(0.019)
0.48
(0.019)
D
Min.
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
UNIT =
MM
(INCHES)
Top and Bottom View
A
Side View
C
Solder Reflow Recommendations
300
Preheating
Soldering
Cooling
B
250
200
150
100
50
0
3.2
±
0.1
(0.126
±
.004)
160–220
10–20
Time (seconds)
120
D
Recommended Pad Layout
1.5
±
0.05
(.059
±
.002)
1.5
±
0.05
(.059
±
.002)
2.70
±
0.1
(.106
±
.004)
Terminal material: solder-plated copper
Termination pad solderability: Meets EIA
Specification RS-186-9E, ANSI/J-STD-002
Category 3.
Note:
• MF-MSMD models can be wave soldered and reworked.
• If reflow temperatures exceed the recommended profile, devices may not meet the performance
requirements.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Temperature (°C)
MF-MSMD Series -
PTC Resettable Fuses
Typical Time to Trip at 23
°
C
100
MF-MSMD200
MF-MSMD010
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
10
Time to Trip (Seconds)
MF-MSMD030
1
Typical Part Marking
0.1
MF-MSMD260
Represents total content. Layout may vary.
PART
IDENTIFICATION
MANUFACTURER'S
TRADEMARK
0.01
MF-MSMD014
MF-MSMD160
MF-MSMD150
MF-MSMD125
MF-MSMD110
MF-MSMD075
075
0A
DATE CODE -
WEEK 1 OF 2000 = 0A
(YEAR & WEEK)
WEEK 27 OF 2000 = A0
(WEEK & YEAR)
MF-MSMD020
0.001
0.1
1
MF-MSMD050
10
100
Fault Current (Amps)
Thermal Derating Chart - Ihold / Itrip (Amps)
Ambient Operating Temperature
Model
MF-MSMD010
MF-MSMD014
MF-MSMD020
MF-MSMD030
MF-MSMD050
MF-MSMD075
MF-MSMD110
MF-MSMD125
MF-MSMD150
MF-MSMD160
MF-MSMD200
MF-MSMD260
-40
°C
0.16 / 0.32
0.23 / 0.52
0.29 / 0.58
0.44 / 0.88
0.77 / 1.54
1.15 / 2.30
1.59 / 3.18
1.80 / 3.61
2.17 / 4.34
2.30 / 5.00
3.08 / 6.14
4.00 / 7.98
-20
°C
0.14 / 0.28
0.19 / 0.45
0.26 / 0.52
0.39 / 0.78
0.68 / 1.36
1.01 / 2.02
1.43 / 2.86
1.63 / 3.25
1.95 / 3.90
2.20 / 4.40
2.71 / 5.39
3.52 / 7.01
0
°C
0.12 / 0.24
0.17 / 0.40
0.23 / 0.46
0.35 / 0.70
0.59 / 1.18
0.88 / 1.76
1.26 / 2.52
1.43 / 2.86
1.72 / 3.44
1.90 / 3.80
2.35 / 4.62
3.06 / 6.09
23
°C
0.11 / 0.22
0.14 / 0.34
0.20 / 0.40
0.30 / 0.60
0.50 / 1.00
0.75 / 1.50
1.10 / 2.20
1.25 / 2.50
1.50 / 3.00
1.60 / 2.80
2.00 / 4.01
2.60 / 5.15
40
°C
0.08 / 0.16
0.12 / 0.29
0.17 / 0.34
0.26 / 0.52
0.44 / 0.88
0.65 / 1.30
0.95 / 1.90
1.08 / 2.16
1.30 / 2.59
1.45 / 2.90
1.80 / 1.61
2.34 / 4.64
50
°C
0.07 / 0.14
0.10 / 0.25
0.15 / 0.30
0.23 / 0.46
0.40 / 0.80
0.60 / 1.20
0.87 / 1.74
0.99 / 1.98
1.18 / 2.37
1.30 / 2.60
1.60 / 3.19
2.08 / 4.13
60
°C
0.06 / 0.12
0.09 / 0.23
0.14 / 0.28
0.21 / 0.42
0.37 / 0.74
0.55 / 1.10
0.80 / 1.60
0.91 / 1.82
1.09 / 2.18
1.15 / 2.30
1.50 / 2.98
1.95 / 3.87
70
°C
0.05 / 0.10
0.08 / 0.21
0.12 / 0.24
0.18 / 0.36
0.33 / 0.66
0.49 / 0.98
0.71 / 1.42
0.81 / 1.62
0.97 / 1.94
1.03 / 2.06
1.07 / 2.12
1.39 / 2.74
85
°C
0.03 / 0.06
0.06 / 0.16
0.10 / 0.20
0.15 / 0.30
0.29 / 0.58
0.43 / 0.86
0.60 / 1.20
0.68 / 1.36
0.82 / 1.64
0.91 / 1.82
0.80 / 1.58
1.04 / 2.05
MF-MSMD SERIES, REV. R, 09/05
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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