Electrical Characteristics
Features
■Industry’s lowest internal resistance
■Switches at optimum temperature
■Axial leaded, with flexible design options
available
■Fully compatible with current
industry standards
■Weldable nickel terminals
■RoHS compliant*
1 Hour (R1) Tripped
Ihold Itrip Initial Post-Trip Max. Time Power
Resistance Resistance To Trip Dissipation
Model Amperes Ohms Ohms Amperes Seconds Watts
V max. I max.
at 23 °C at 23 °C at 23 °C at 23 °C at 23 °C at 23 °C
Volts Amps
Hold Trip Min. Max. Typ. Max. Typ.
MF-SVS170 10 100 1.7 4.1 0.018 0.032 0.023 0.064 8.5 5.0 2.1
MF-SVS175 10 100 1.75 4.2 0.017 0.031 0.022 0.063 8.5 5.0 2.1
MF-SVS210 10 100 2.1 5.0 0.010 0.020 0.016 0.040 10.5 5.0 2.4
MF-SVS230 10 100 2.3 5.2 0.010 0.018 0.014 0.036 12.5 5.0 2.6
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
Environmental Characteristics
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
Test Procedures And Requirements For Model MF-SVS Series
Thermal Derating Chart - Ihold (Amps)
Ambient Operating Temperature
Model 0 °C 23 °C 60 °C 80 °C
MF-SVS170 2.2 1.7 1.3 0.8
MF-SVS175 2.25 1.75 1.35 0.8
MF-SVS210 2.9 2.1 1.5 0.8
MF-SVS230 3.1 2.3 1.65 0.8
Itrip is approximately two times Ihold.