Features
nꢀ Axialꢀleaded
nꢀ RoHSꢀcompliant*
nꢀ Fullyꢀcompatibleꢀwithꢀcurrentꢀ
ꢀ
industryꢀstandardsꢀ
nꢀ Weldableꢀnickelꢀterminals
nꢀ Veryꢀlowꢀinternalꢀresistance
nꢀ Lowꢀswitchingꢀtemperature
nꢀ Agencyꢀrecognition:ꢀ
VS210
2018S
ꢀ ꢀꢀMF-VSꢀSeriesꢀ-ꢀPTCꢀResettableꢀFuses
Electrical Characteristics
1 Hour (R )
1
Tripped Power
Dissipation
Initial
Resistance
Max. Time
to Trip
Post-Trip
I
I
trip
hold
Resistance
V max.
Volts
I max.
Amps
Model
Amperes
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Amperes Seconds
Watts
at 23 °C
at 23 °C
at 23 °C
Hold
1.7
2.1
Trip
3.4
4.7
Min.
0.030
0.018
Max.
0.052
0.030
Typ.
0.040
0.022
Max.
0.105
0.060
Typ.
1.4
1.5
MF-VS170
MF-VS210
16
16
100
100
8.5
10.0
3.0
5.0
Environmental Characteristics
Operating/Storage Temperature........................... -40 °C to +85 °C
Maximum Device Surface Temperature
in Tripped State ................................................ 125 °C
Passive Aging....................................................... +60 °C, 1000 hours............................................... ±10 % typical resistance change
Humidity Aging...................................................... +60 °C, 95 % R.H.1000 hours .............................. ±10 % typical resistance change
Thermal Shock ..................................................... MIL-STD-202F, Method 107G............................... ±5 % typical resistance change
+85 °C to -40 °C, 10 times
Vibration ............................................................... MIL-STD-883C,..................................................... No change
Condition A
Moisture Sensitivity Level (MSL)..................... Level 1
ESD Classification - HBM................................ Class 6
Test Procedures And Requirements For Model MF-VS 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
UL File Number .................................................... E174545
http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545
TÜV Certificate Number ....................................... R 02057213
http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213
Thermal Derating Chart - I
(Amps)
hold
Ambient Operating Temperature
Model
-40 ºC
-20 ºC
2.7
3.5
0 ºC
2.2
2.9
23 ºC
1.7
40 ºC
1.3
50 ºC
1.1
60 ºC
0.8
70 ºC
0.6
85 ºC
0.1
MF-VS170
MF-VS210
3.2
4.1
2.1
1.6
1.3
1.0
0.7
0.1
*I
trip
is approximately two times I .
hold
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.