MIL-PRF-123D
APPENDIX E
PROCEDURE FOR QUALIFICATION INSPECTION
E.1. Scope. This appendix details the procedure for submission of samples, with related data, for qualification
inspection of capacitors covered by this specification. The procedure for extending qualification of the required
sample to other capacitors covered by this specification is also outlined herein. There shall be no combining of
styles, operating voltage, or characteristic. Each shall be qualified separately. This appendix is a mandatory part of
the specification. The information contained herein is intended for compliance.
E.2. APPLICABLE DOCUMENTS. This section is not applicable to this appendix.
E.3. SUBMISSION
E.3.1 Qualification based on similar established reliability (ER) styles. The manufacturer seeking qualification for
a CKS style who is qualified to "R" failure rate level of a similar ER style (see table E-I) shall submit to test the total
samples specified in table IX, divided equally into groups consisting of the highest capacitance value for each
combination of voltage rating and characteristic.
TABLE E-I. Similar ER styles.
CKS style
Similar
CKS style
Similar
CKS style
Similar
style
style
style
CKS05-BP
CCR05
CKS12-BP
CCR76
CKS24
CKR24
CKS05-BX
CKR05
CKS12-BX
CKR12
CKS26
CKR06
CKS05S-BP
CCR05
CKS14-BP
CCR77
CKS28-BG
CDR11
CKS05S-BX
CKR05
CKS14-BX
CKR14
CKS28-BP
CDR12
CKS06-BP
CCR06
CKS15-BP
CCR78
CKS29-BG
CDR13
CKS06-BX
CKR06
CKS15-BX
CKR15
CKS29-BP
CDR14
CKS06S-BP
CCR06
CKS16-BP
CCR79
CKS51
CDR01
CKS06S-BX
CKR06
CKS16-BX
CKR16
CKS52
CDR02
CKS07-BP
CCR07
CKS22-BP
CKR22
CKS53
CKR03
CKS07-BX
N/A
CKS22-BX
CKR22
CKS54
CDR06
CKS011-BP
CCR75
CKS23-BP
CKR23
CKS011-BX
CKR11
CKS23-BX
CKR23
E.3.2 Qualification not based on similar established reliability styles. A sample of the size required in table IX, of
the highest capacitance value in each voltage rating and characteristic in each style for which qualification is sought
shall be submitted. For example, style CKS05 shall require 752 total sample units to qualify for the entire style.
E.3.3 Qualification of nonleaded CKS style chips by similarity from CDR style chips (MIL-PRF-55681).
*
Manufacturers that are currently qualified to at least one nonleaded chip style in MIL-PRF-123 are eligible for
qualification by similarity from MIL-PRF-55681 parts to MIL-PRF-123 parts. The values of the MIL-PRF-55681 parts
must be equal to or greater than the values of the MIL-PRF-123 parts and the parts must meet the minimum
dielectric thickness requirement of MIL-PRF-123. The manufacturer shall request the qualifying activity to add them
to the qualification. The equivalent styles are shown in the following table.
MIL-PRF-123 Style
MIL-PRF-55681 Style
CKS51 (/10)
CDR31 (/7)
CKS52 (/11)
CDR33 (/9)
CKS53 (/12)
CDR03 (/1)
CKS54 (/13)
CDR06 (/3)
CKS55 (/21)
CDR32 (/8)
CKS56 (/22)
CDR34 (/10)
CKS57 (/23)
CDR35 (/11)
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