Features
Applications
■ Compact design to save board space -
■ USB port protection - On the Go and 2.0
0805 footprint
■ Small size results in very fast time to
react to fault events
■ Symmetrical design
■ Low profile
■ PC motherboards - Plug and Play
protection
■ Mobile phones - Battery and port
protection
■ PDAs / digital cameras
■ RoHS compliant*
■ Agency recognition:
■ Game console port protection
MF-PSMF Series - PTC Resettable Fuses
Electrical Characteristics
Tripped
Power
Dissipation
Max. Time
To Trip
I
I
trip
Resistance
hold
V max.
Volts
I max.
Amps
Model
Amperes
at 23 °C
Ohms
Amperes Seconds
Watts
at 23 °C
at 23 °C
at 23 °C
at 23 °C
R
R
Hold
0.50
0.75
1.10
Trip
Min.
1Max.
0.900
0.350
0.210
Typ.
0.5
0.6
0.6
MF-PSMF050
MF-PSMF075
MF-PSMF110
6
6
6
40
40
40
1.00
1.50
2.20
0.150
0.090
0.060
8.00
8.00
8.00
0.10
0.20
0.30
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-PSMF 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
Thermal Derating Chart - I
Model
(Amps)
hold
Ambient Operating Temperature
-40 °C
0.68
-20 °C
0.62
0 °C
0.55
0.79
1.20
23 °C
0.50
0.75
1.10
40 °C
0.40
0.63
0.92
50 °C
0.37
0.57
0.84
60 °C
0.33
0.53
0.75
70 °C
0.29
0.42
0.65
85 °C
0.23
0.35
0.52
MF-PSMF050
MF-PSMF075
MF-PSMF110
1.00
0.90
1.45
1.35
*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.