Features
nꢀ CompliantꢀwithꢀAEC-Q200ꢀRev-C-ꢀStressꢀꢀ
TestꢀQualificationꢀforꢀPassiveꢀComponentsꢀ
inꢀAutomotiveꢀApplications
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
nꢀ Agencyꢀrecognition:ꢀ
nꢀ Patentsꢀpending
nꢀ Surfaceꢀmountꢀdevices
7A
7A
nꢀ Fullyꢀcompatibleꢀwithꢀcurrentꢀ
industryꢀstandardsꢀ
nꢀ PackagedꢀperꢀEIAꢀ481-2ꢀstandard
ꢀꢀMF-SMꢀSeriesꢀ-ꢀPTCꢀResettableꢀFuses
Electrical Characteristics
Tripped
Power
Dissipation
Max. Time
To Trip
I
I
Resistance
hold
trip
V max.
I max
Amps
Model
Volts
Amperes
at 23 °C
Ohms
at 23 °C
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Hold
Trip
0.60
1.00
1.50
1.50
2.20
2.20
2.50
3.00
3.00
3.60
4.00
5.00
5.20
6.00
R Min.
R1 Max.
4.80
1.40
1.00
1.00
0.48
0.41
0.25
0.25
0.23
0.15
0.125
0.085
0.075
0.048
Max.
3.0
4.0
0.3
0.3
0.5
0.5
2.0
5.0
5.0
5.0
12.0
25.0
20.0
35.0
Typ.
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.9
1.9
1.9
1.9
1.9
1.7
1.5
MF-SM030
MF-SM050
MF-SM075
MF-SM075/60
MF-SM100
MF-SM100/33
MF-SM125
MF-SM150
MF-SM150/33
MF-SM185/33
MF-SM200
MF-SM250
MF-SM260
MF-SM300
60
60
30
60
30
33
15
15
33
33
15
15
6
40
40
80
10
80
0.30
0.50
0.75
0.75
1.10
1.10
1.25
1.50
1.50
1.80
2.00
2.50
2.60
3.00
0.90
0.35
0.23
0.23
0.12
0.12
0.07
0.06
0.06
0.04
0.045
0.024
0.025
0.015
1.5
2.5
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
40
100
100
40
40
100
100
100
100
6
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. 7 days..................................... ±5 % typical resistance change
Thermal Shock ..................................................... MIL-STD-202F, Method 107G............................... ±10 % typical resistance change
.............................................................................. -40 °C to +85 °C, 20 cycles .................................. -20 % typical resistance change
Vibration ............................................................... MIL-STD-883C, Method 2007.1,........................... Rmin ≤ R ≤ R1max
Condition A
Moisture Sensitivity Level (MSL).......................... Level 1
ESD Classification - HBM..................................... Class 6
Test Procedures And Requirements For Model MF-SM 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 Online Certificates Directory, then enter UL File No.
E174545, or click here
TÜV Certificate .................................................Certificate Number Available on Request, or click here
* RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
**Bournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀtheꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀtheꢀtotalꢀBromineꢀ(Br)ꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀis
ꢀꢀꢀꢀ1500ꢀppmꢀorꢀless.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
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