*UL approval pending.
Operating Temperature ......................................-40 °C to +85 °C
Maximum Device Surface Temperature
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
Test
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
CSA File Number ..............................CA110338
TÜV Certificate Number ....................R 02057213
Electrical Characteristics
MF-USMF005
MF-USMF010
MF-USMF020
MF-USMF035
MF-USMF050
MF-USMF075
MF-USMF110
MF-USMF150*
in Tripped State ................................................125 °C
Thermal Derating Chart - I hold (Amps)
MF-USMF005
MF-USMF010
MF-USMF020
MF-USMF035
MF-USMF050
MF-USMF075
MF-USMF110
MF-USMF150
Environmental Characteristics
Test Procedures And Requirements For Model MF-USMF Series
Model
Model
-40 °C
0.08
0.15
0.32
0.51
0.76
1.10
1.60
2.30
V max.
Volts
30
30
30
13.2
6
6
6
6
http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545
http://directories.csa-international.org/ Under “Certification Record” and “File Number” enter 110338-0-000
http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213
Test Conditions
-20 °C
0.07
0.13
0.28
0.46
0.66
0.97
1.42
2.02
I max.
Amps
10
10
10
40
40
40
40
40
Condition A
MF-USMF Series -
Features
Fast tripping resettable circuit protection
Surface mount packaging for automated
assembly
Small footprint size (1210)
RoHS compliant*
Agency recognition*:
0 °C
0.06
0.12
0.24
0.40
0.58
0.86
1.26
1.76
I hold
Hold
0.05
0.10
0.20
0.35
0.50
0.75
1.10
1.50
Amperes
at 23 °C
23 °C
Ambient Operating Temperature
0.05
0.10
0.20
0.34
0.48
0.72
1.43
1.10
Trip
0.15
0.30
0.40
0.75
1.00
1.50
2.20
3.00
I trip
Customers should verify actual device performance in their specific applications.
40 °C
0.04
0.09
0.18
0.30
0.42
0.64
0.94
1.24
PTC Resettable Fuses
R Min.
T V Rheinland
2.800
0.800
0.400
0.200
0.180
0.070
0.050
0.030
Resistance
at 23 °C
Accept/Reject Criteria
Ohms
50 °C
0.04
0.08
0.16
0.27
0.38
0.58
0.86
1.11
R 1Max.
50.000
15.000
5.000
1.300
0.900
0.450
0.210
0.110
Applications
*
Game consoles
PC motherboards
USB current-limiting compliance
IEEE 1394 ports
Mobile phones
Digital cameras
RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Amperes
60 °C
at 23 °C
0.03
0.07
0.14
0.24
0.35
0.55
0.80
1.00
0.25
0.50
8.00
8.00
8.00
8.00
5.00
5.00
Max. Time
To Trip
Seconds
at 23 °C
70 °C
0.03
0.06
0.12
0.22
0.29
0.47
0.70
0.85
1.50
0.60
0.02
0.20
0.10
0.10
1.00
5.00
Dissipation
at 23 °C
Tripped
Watts
85 °C
Power
0.02
0.05
0.10
0.18
0.23
0.39
0.58
0.65
Typ.
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6