MIL-PRF-14409J
3.25 Marking. Marking of capacitors shall conform to method I of MIL-STD-1285 and shall include the PIN, date
code and lot symbol, and manufacturer's symbol or trademark. There shall be no space between symbols which
comprise the PIN. If space limitation requires it, the PIN may appear on two lines. In this event, the PIN shall be
divided between the style and the characteristic symbols and shall appear on two lines as shown in the following
example:
PC51
H380
Marking shall remain legible after all tests.
3.25.1 Recycled, recovered, environmentally preferable, or biobased materials. Recycled, recovered, or
environmentally preferable, or biobased materials should be used to the maximum extent possible provided that the
material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous
life cycle costs.
3.26 Workmanship. Capacitors shall be processed in such a manner as to be uniform in quality and shall be free
from corrosion, cracks, rough edges, chips, or other defects that will affect life, serviceability, or appearance.
3.26.1 Soldering All excess flux and solder shall be removed. Electrical connections shall be mechanically
secure before soldering, when possible, and electrically continuous after soldering.
4. VERIFICATION
4.1 Classification of inspection. The inspection requirements specified herein are classified as follows:
a. Qualification inspection (see 4.3).
b. Verification of Qualification (see 4.3.4)
c. Conformance inspection (see 4.4).
4.2 Inspection conditions. Unless otherwise specified herein, all inspection shall be performed in accordance with
the test conditions specified in the "GENERAL REQUIREMENTS" of MIL-STD-202.
4.3 Qualification inspection. Qualification inspection shall be performed at a laboratory acceptable to the
Government (see 6.2) on sample units produced with equipment and procedures normally used in production.
4.3.1 Sample size. The number of capacitors to be subjected to qualification inspection shall be as specified in
appendix A of this specification.
4.3.2 Inspection routine. The sample shall be subjected to the qualification inspection specified in table II, in the
order shown. All sample units shall be subjected to the inspections of group I. The sample shall then be divided
equally into the remaining groups shown in table II and shall be subjected to the inspection for their particular group.
4.3.3 Failures. Failures in excess of those allowed in table II shall be cause for refusal to grant qualification
approval.
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