Features
■ Axial leaded
■ RoHS compliant*
■ Fully compatible with current
industry standards
■ Weldable nickel terminals
■ Very low internal resistance
■ Low switching temperature
■ Agency recognition:
VS210
2018S
MF-VS Series - PTC Resettable Fuses
Electrical Characteristics
1 Hour (R )
1
Tripped Power
Dissipation
Initial
Max. Time
to Trip
Post-Trip
I
I
trip
hold
Resistance
Resistance
V max.
Volts
I max.
Model
Amps
Amperes
at 23 °C
Ohms
Ohms
Amperes Seconds
Watts
at 23 °C
at 23 °C
at 23 °C
at 23 °C
at 23 °C
Hoꢂd
Trip
3.4
4.7
Min.
0.030
0.018
Max.
0.052
0.030
Tꢁp.
0.040
0.022
Max.
0.105
0.060
Tꢁp.
1.4
MF-VS170
MF-VS210
16
16
100
100
1.7
2.1
8.5
3.0
5.0
10.0
1.5
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 ꢀ tꢁpicaꢂ resistance change
Humiditꢁ Aging...................................................... +60 °C, 85 ꢀ R.H.1000 hours .............................. 10 ꢀ tꢁpicaꢂ resistance change
Thermaꢂ Shock ..................................................... MIL-STD-202F, Method 107G............................... 5 ꢀ tꢁpicaꢂ resistance change
+85 °C to -40 °C, 10 times
Vibration ............................................................... MIL-STD-883C,..................................................... No change
Condition A
Test Procedures And Requirements For Model MF-VS Series
Test
Test Conditions
Accept/Reject Criteria
Visuaꢂ/Mech.......................................................... Verifꢁ dimensions and materiaꢂs........................... Per MF phꢁsicaꢂ description
Resistance............................................................ In stiꢂꢂ air @ 23 °C................................................. Rmin ≤ R ≤ R1max
Time to Trip........................................................... At specified current, Vmax, 23 °C......................... T ≤ max. time to trip (seconds)
Hoꢂd Current......................................................... 30 min. at Ihoꢂd ..................................................... No trip
Trip Cꢁcꢂe Life....................................................... Vmax, Imax, 100 cꢁcꢂes........................................ No arcing or burning
Trip Endurance..................................................... Vmax, 48 hours..................................................... No arcing or burning
UL Fiꢂe Number .................................................... E174545
http://www.uꢂ.com/ Foꢂꢂow ꢂink to Certifications, then UL Fiꢂe No., enter E174545
CSA Fiꢂe Number.................................................. CA110338
http://directories.csa-internationaꢂ.org/ Under “Certification Record” and “Fiꢂe Number”
enter 110338-0-000
TÜV Certificate Number ....................................... R 02057213
http://www.tuvdotcom.com/ Foꢂꢂow ꢂink to “other certificates”, enter Fiꢂe No. 2057213
Thermal Derating Chart - I
(Amps)
hold
Ambient Operating Temperature
Model
-40 ºC
-20 ºC
0 ºC
2.2
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
2.7
3.5
2.9
2.1
1.6
1.3
1.0
0.7
0.1
*I
is approximateꢂꢁ two times I .
trip
hoꢂd
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.