CPK vs PPM

 

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Below is a conversion chart showing how a  CPK value as it relates to PPM (Defective Parts per Million).

Provide by Siliconfareast.com  

 

Cpk

Sigma

ppm

0.43

-

193,600

0.47

-

161,510

0.50

1.50

133,610

0.53

-

109,600

0.57

-

89,130

0.60

-

71,960

0.63

-

57,430

0.67

-

45,500

0.70

-

35,730

0.73

-

27,810

0.77

-

21,450

0.80

-

16,400

0.83

-

12,420

0.87

-

9,322

0.90

-

6,934

0.93

-

5,110

0.97

-

3,732

1.00

3.00

2,700

1.03

-

1,935

1.07

-

1.374

1.10

-

967

1.13

-

674

1.16

~3.50

465

1.20

-

318

1.23

-

216

1.27

-

145

1.30

-

98

1.33

4.00

64

1.37

-

41

1.40

-

27

1.43

-

17

1.47

-

11

1.50

4.50

7

1.53

-

4

1.57

-

3

1.60

~5.00

0.5

2.00

6.00

0.00198