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Arrhenius/FIT Rate Calculator

                           
Confidence 
%
Total Tested
Hours Tested
Dev Hrs
Fails
Use Temp (C)
Test Temp (C)
Ea (eV)
kT1 (eV)
kT2 (eV)
A accel factor
DevHrs*A
FIT Rate
   

 
FIT with a combination of two groups tested at different temperatures
Group 1 Total Tested
Hours Tested
Dev Hrs
Fails
Use Temp (C)
Test Temp (C)
Ea (eV)
at Tuse
kT1 (eV)
at Ttest
kT2 (eV)
A accel factor
DevHrs*A
   
Group 2    
Group 2
2nd TP
   
Combined Totals         Total dev hrs * A factor =    
        Total Fails
Confidence 
%
  Combined
FIT Rate
           
                           

 
Confidence: Enter as a whole number. E.g., for 90%, enter 90. Total Tested: Enter the total number of parts tested.
Hours Tested: Enter the number of hours tested. Dev Hrs: This is a calculated field.
Fails: Enter the total number of failures. Use Temp (C): Enter the usage temperature.
Test Temp (C): Enter the test temperature. Ea (eV): Enter the Ea information.
kT1 (eV): This is a calculated field. kT2 (eV): This is a calculated field.
A accel factor: This is a calculated field. DevHrs*A: This is a calculated field.
FIT Rate: This is a calculated field. Calculate: Totals the calculations when pressed.
   
Also see Maxim Device FIT Information  

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