BOURNS MF

IA
NT
Features
CO
M
PL
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*R
oH
S
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Applications
Fast tripping resettable circuit protection
Surface mount packaging for automated
assembly
Small footprint size (1210)
RoHS compliant*
Agency recognition*:
Game consoles
PC motherboards
USB current-limiting compliance
IEEE 1394 ports
Mobile phones
Digital cameras
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T V Rheinland
MF-USMF Series - PTC Resettable Fuses
Electrical Characteristics
Ihold
Model
MF-USMF005
MF-USMF010
MF-USMF020
MF-USMF035
MF-USMF050
MF-USMF075
MF-USMF110
MF-USMF150*
V max.
Volts
I max.
Amps
30
30
30
6
13.2
6
6
6
10
10
10
40
40
40
40
40
Itrip
Max. Time
To Trip
Resistance
Amperes
at 23 °C
Hold
Trip
Ohms
at 23 °C
RMin.
R1Max.
0.05
0.10
0.20
0.35
0.50
0.75
1.10
1.50
2.800
0.800
0.400
0.200
0.180
0.070
0.050
0.030
0.15
0.30
0.40
0.75
1.00
1.50
2.20
3.00
50.000
15.000
5.000
1.300
0.900
0.450
0.210
0.110
Amperes
at 23 °C
Seconds
at 23 °C
0.25
0.50
8.00
8.00
8.00
8.00
5.00
5.00
1.50
0.60
0.02
0.20
0.10
0.10
1.00
5.00
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
*UL approval pending.
Environmental Characteristics
Operating 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-USMF 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 ....................................ANSI/J-STD-002 ............................................................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
Thermal Derating Chart - Ihold (Amps)
Ambient Operating Temperature
Model
MF-USMF005
MF-USMF010
MF-USMF020
MF-USMF035
MF-USMF050
MF-USMF075
MF-USMF110
MF-USMF150
-40 °C
0.08
0.15
0.32
0.51
0.76
1.10
1.60
2.30
-20 °C
0.07
0.13
0.28
0.46
0.66
0.97
1.42
2.02
0 °C
0.06
0.12
0.24
0.40
0.58
0.86
1.26
1.76
23 °C
0.05
0.10
0.20
0.34
0.48
0.72
1.10
1.43
40 °C
0.04
0.09
0.18
0.30
0.42
0.64
0.94
1.24
50 °C
0.04
0.08
0.16
0.27
0.38
0.58
0.86
1.11
60 °C
0.03
0.07
0.14
0.24
0.35
0.55
0.80
1.00
70 °C
0.03
0.06
0.12
0.22
0.29
0.47
0.70
0.85
85 °C
0.02
0.05
0.10
0.18
0.23
0.39
0.58
0.65
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-USMF Series - PTC Resettable Fuses
Product Dimensions
A
Model
Min.
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
MF-USMF005
MF-USMF010
MF-USMF020
MF-USMF035
MF-USMF050
MF-USMF075
MF-USMF110
MF-USMF150
B
Max.
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
Min.
2.35
(0.093)
2.35
(0.093)
2.35
(0.093)
2.35
(0.093)
2.35
(0.093)
2.35
(0.093)
2.35
(0.093)
2.35
(0.093)
C
Max.
2.80
(0.110)
2.80
(0.110)
2.80
(0.110)
2.80
(0.110)
2.80
(0.110)
2.80
(0.110)
2.80
(0.110)
2.80
(0.110)
Packaging: 3000 pcs. per reel.
Top and Bottom View
A
Min.
0.80
(0.031)
0.80
(0.031)
0.80
(0.031)
0.55
(0.022)
0.55
(0.022)
0.55
(0.022)
0.55
(0.022)
0.40
(0.016)
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)
Max.
1.1
(0.043)
1.1
(0.043)
1.1
(0.043)
0.85
(0.033)
0.85
(0.033)
0.85
(0.033)
0.85
(0.033)
0.85
(0.033)
UNIT =
Side View
Recommended Pad Layout
C
1.0 ± 0.05
(.039 ± .002)
1.0 ± 0.05
(.039 ± .002)
2.5 ± 0.1
(.098 ± .004)
B
2.0 ± 0.1
(.079 ± .004)
MM
(INCHES)
Terminal material:
Electroless Ni under immersion Au
Termination pad solderability:
Standard Au finish:
Meets ANSI/J-STD-002 Category 2.
Recommended Storage:
40 °C max./70 % RH max.
D
Solder Reflow Recommendations
300
Preheating
Soldering
Cooling
Temperature (°C)
250
200
150
100
50
0
160–220
10–20
Time (seconds)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
120
Notes:
• MF-USMF models cannot be wave soldered.
• If reflow temperatures exceed the recommended profile,
devices may not meet the performance requirements.
• Compatible with Pb and Pb-free solder reflow profiles.
MF-USMF Series - PTC Resettable Fuses
How to Order
Typical Time to Trip at 23 °C
100
MF - USMF 010 - 2
MF-USMF010
Time to Trip (Seconds)
10
Multifuse® Product
Designator
MF-USMF075
MF-USMF110
MF-USMF035 MF-USMF050
MF-USMF150
Series
USMF = 1210 Surface Mount
Component
Hold Current, Ihold
005-150 (0.05-1.50 Amps)
1
Packaging
Packaged per EIA 481-1
-2 = Tape and Reel
MF-USMF005
0.1
Typical Part Marking
Represents total content. Layout may vary.
0.01
0.001
0.1
1
10
100
Fault Current (Amps)
6
A
PART IDENTIFICATION:
MF-USMF005 = 0
MF-USMF010 = 1
MF-USMF020 = 2
MF-USMF035 = 3
MF-USMF050 = 4
MF-USMF075 = 5
MF-USMF110 = 6
MF-USMF150 = 8
BIWEEKLY DATE CODE:
WEEK 1 AND 2 = A
WEEK 51 AND 52 = Z
The Time to Trip curves represent typical performance of a device in a simulated application
environment. Actual performance in specific customer applications may differ from these values due
to the influence of other variables.
Circuit Protection Division
Asia-Pacific:
Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
MF-USMF SERIES, REV. C, 01/06
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-USMF Series Tape and Reel Specifications
MF-USMF Series
per EIA 481-2
Tape Dimensions
W
8.0 ± 0.3
(0.315 ± 0.012)
P0
4.0 ± 0.1
(0.157 ± 0.004)
P1
P2
4.0 ± 0.1
(0.157 ± 0.004)
2.0 ± 0.05
(0.079 ± 0.002)
A0
2.76 ± 0.10
(0.109 ± 0.004)
B0
3.50 ± 0.10
(0.138 ± 0.004)
4.35
(0.171)
1.5 + 0.1/-0.0
(0.059 + 0.004/-0)
3.5 ± 0.05
(0.138 ± 0.002)
1.75 ± 0.10
(0.069 ± 0.004)
B1 max.
D0
F
E1
6.25
(0.246)
0.6
(0.024)
0.1
(0.004)
E2 min.
T max.
T1 max.
1.07 ± 0.10
(0.042 ± 0.004)
K0
390
(15.35)
160
(6.30)
Leader min.
Trailer min.
Reel Dimensions
185
(7.283)
50
(1.97)
A max.
N min.
8.4 + 1.5/ -0.0
(0.331 + 0.059/-0.0)
14.4
(0.567)
W1
W2 max.
UNIT =
P0
T
D0
P2
MM
(INCHES)
E1
W2(MEASURED
AT HUB)
COVER
TAPE
F
E2 W
B1
A
N(HUB DIA.)
B0
K0
T1
P1
A0
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
W1(MEASURED
AT HUB)