
*
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.
Electrical Characteristics
Max. Time
To Trip
Tripped
Power
Dissipation
Ihold
Itrip
Resistance
Model
Amperes
at 23
°
C
Hold
0.05
0.10
0.20
0.35
0.50
0.75
1.10
1.50
Ohms
at 23
°
C
Amperes
at 23
°
C
Seconds
at 23
°
C
Watts
at 23
°
C
Typ.
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
V max.
Volts
I max.
Amps
Trip RMin.
0.15
0.30
0.40
0.75
1.00
1.50
2.20
3.00
R1Max.
50.000
15.000
5.000
1.300
0.900
0.450
0.210
0.110
MF-USMF005
MF-USMF010
MF-USMF020
MF-USMF035
MF-USMF050
MF-USMF075
MF-USMF110
MF-USMF150*
*UL approval pending.
30
30
30
6
13.2
6
6
6
10
10
10
40
40
40
40
40
2.800
0.800
0.400
0.200
0.180
0.070
0.050
0.030
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
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
Environmental Characteristics
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
Test Conditions
Accept/Reject Criteria
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-USMF Series
MF-USMF Series -
PTC Resettable Fuses
Features
■
Fast tripping resettable circuit protection
■
Surface mount packaging for automated
assembly
■
Small footprint size (1210)
■
RoHS compliant*
■
Agency recognition*:
Applications
■
Game consoles
■
PC motherboards
■
USB current-limiting compliance
■
IEEE 1394 ports
■
Mobile phones
■
Digital cameras
Thermal Derating Chart - Ihold(Amps)
Ambient Operating Temperature
23
°
C
40
°
C
0.05
0.04
0.10
0.09
0.20
0.18
0.34
0.30
0.48
0.42
0.72
0.64
1.10
0.94
1.43
1.24
Model
-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
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
MF-USMF005
MF-USMF010
MF-USMF020
MF-USMF035
MF-USMF050
MF-USMF075
MF-USMF110
MF-USMF150
TV Rheinland
*RHSCOMPIAN