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Metal Film Resistors (General Purpose)
 
TEST PROCEDURE GENERAL PURPOSE
MF125 & MF25,
MFS40, MF50, MFS50, MF100,
MFS100, MF200, MFS200
Dielectric withstanding Voltage V-Block Method, 3 x Limiting Voltage
Duration - 1 minute
imageR = ±(0.25% +0.05 Ohm) 
Insulation Resistance V-Block Method, DC 500V
Duration - 1 minute
10000 M Ohm
Temperature Cycling 5 Cycles of -65°C, 25°C, 150°C, 25°C imageR = ±(0.5% + 0.05 Ohm) 
Short Term Overload 2.5 X rated Voltage
Duration - 5 seconds
imageR = ±(0.25% + 0.05 Ohm) 
Dampheat (Steady State) 40°C, 95% relative humidity,
Duration - 56 days
imageR = ±(1.0% + 0.05 Ohm) 
Load Life Rated Voltage at 70°C ambient
Duration - 1000 hrs.
Condition : 1.5 hrs. ON 0.5 hr OFF
imageR = ±(1.0% +0.05 Ohm) 
Extended Life Rated Voltage at 70°C ambient
Duration - 10000 hrs.
Condition : 1.5 hrs. ON 0.5 hr OFF
imageR = ±(4.0% +0.05 Ohm)
Robustness of Terminations Tensile : 10N, Duration : 10 seconds
Bending : 180°, >3 bends
Torsion : 3 Rotations of 360° each
imageR = ±(0.25% +0.05 Ohm) 
Resistance to Soldering Heat Temp : 260°C ± 5°C
Duration - 10 seconds
imageR = ±(0.25% +0.05 Ohm) 
Shock (Medium impact) 1 Km/S² imageR = ±(0.25% +0.05 Ohm) 
Vibration (High Frequency) 10 to 2000 Hz : 200m/s² imageR = ±(0.25% +0.05 Ohm) 
Low Temperature Exposure At -65°C,
Duration : 2 hrs.
imageR = ±(0.25% +0.05 Ohm) 
High Temperature Exposure At +155°C
Duration : 16 hrs., No load condition
imageR = ±(1.0% +0.05 Ohm) 
Solderability DIP Method, solder Bath Temp : 230°C ±5°C
Duration : 5 seconds
image95%
Resistance to Solvents Solvent : Trichloroethylene,
Duration : 1 minute
MIL - STD 202
Method 215
Shelf Life 1 Year imageR = ±(0.2% +0.05 Ohm)

Power Derating Curve

Temperature Coefficient Level

Load Life
 

Frequency Characterstics
 
 

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