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Parameter
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Type
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Description
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|---|---|---|
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Characteristic Life
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Real
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The time at which 63.2 percent of the device population will have failed.
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|
Shape Parameter
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Real
|
The value to describe the shape of the hazard curve. Listed below are examples for shape parameter values.
• For decreasing failure rates with time, such as during the burn in phase, the value is less than 1.
• For constant failure rates, such as during the useful life phase of electronic equipment, the value is equal to 1.
• For increasing failure rates with time, such as during the wear out phase, the value is greater than 1.
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Minimum Life
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Real
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The minimum time at which failure occurs. Generally, this value is 0. However, if there is a failure-free period, failures can occur only after this period has occurred. In such cases, you enter a time value greater than 0.
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|
Time
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Real
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The time at which to evaluate the hazard rate.
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