Features
Applications
■ 3.6 mm narrow design axial strap
■ Any application that requires protection
at low resistances
■ Rechargeable battery packs; designed for
NiMH and Li-Ion chemical characteristics
■ Cellular phones
■ Laptop computers
■ Fully compatible with current
industry standards
■ Weldable nickel terminals
■ Very low internal resistance
■ Low switching temperature
■ RoHS compliant*, lead free
VS210N
2018S
MF-VS Narrow Body Series - PTC Resettable Fuses
Electrical Characteristics
1 Hour (R )
1
Tripped
Power
Dissipation
I
I
trip
hold
Initial
Resistance
Ohms
At 23 °C
Max.
Max. Time
To Trip
Amperes Seconds
Post-Trip
Resistance
Ohms
At 23 °C At 23 °C At 23 °C
Max.
Model
V max.
Volts
I max.
Amps
Amperes
At 23 °C
Watts
At 23 °C
Typ.
Hold
Trip
3.4
3.5
4.7
Min.
Typ.
MF-VS170N
MF-VS175NL
MF-VS210N
12
12
12
100
100
100
1.7
1.75
2.1
0.030
0.029
0.018
0.052
0.051
0.030
0.040
0.038
0.024
0.105
0.102
0.060
8.5
8.75
10.0
3.0
3.0
5.0
1.4
1.4
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 ꢀ typical resistance change
Humidity Aging....................................................+60 °C, 85 ꢀ 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
Test Procedures And Requirements For Model MF-VS Narrow Body 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 ≤ Rmax
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 ..................................................E 174545S
CSA File Number ................................................CA 110338
TÜV File Number ................................................R2057213
Thermal Derating Chart - I
(Amps)
hold
Ambient Operating Temperature
Model
0 °C
23 °C
1.7
60 °C
0.8
85 °C
0.1
MF-VS170N
MF-VS175NL
MF-VS210N
2.2
2.25
2.9
1.75
2.1
0.85
1.0
0.1
0.1
I
is approximately two times I .
hold
trip
*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.