|
Parameter
|
Type
|
Description
|
|---|---|---|
|
Quality Level
|
Choice List [Parts Count also]
|
The appropriate quality screening level of the device. Accepted quality levels and values for this subcategory follow. The 299B model that is selected determines the value for the quality level.
For 299B Parts Stress:
• A = 0.30
• B = 1.00
• C = 4.50
For 299B Parts Count:
• A1 = 0.20
• A2 = 0.40
• B1 = 0.70
• B2 = 1.00
• C = 4.00
|
|
# of Circuit Planes
|
Integer [Parts Count also]
|
The number of board planes. If the board uses discrete wiring, assume that the number of circuit planes is 1.
|
|
# of Metallized Holes
|
Integer [Parts Count also]
|
The number of metallized holes.
|
|
[Derating Parameters]
|
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|
For more information, see Derating Parameters.
|