MIL-PRF-23269G
4.7.20.3 Extended life (see 3.24.2).
4.7.20.3.1 Following 2,000 hour qualification test. Capacitors tested under accelerated conditions shall be
continued on test for an additional 4,000 hours +96 hours, -0 hours; measurements during and after exposure shall
be as specified in 4.7.20.2. Capacitors tested under rated conditions shall be continued on test for an additional
28,000 hours +96 hours, -0 hours; measurements during and after exposure shall be accomplished after 2,000 hours
+96 hours, -0 hours thereafter up to 10,000 hours; then every 5,000 hours +96 hours, -0 hours until a total of 30,000
hours +96 hours, -0 hours have elapsed.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order
(see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel
need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements
are maintained by the Inventory Control Point's packaging activities within the Military Service or Defense Agency, or
within the military service's system commands. Packaging data retrieval is available from the managing Military
Department's or Defense Agency's automated packaging files, CD-ROM products, or by contacting the responsible
packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)
6.1 Intended use. These capacitors are intended for use in any equipment where known orders of reliability are
required, and are primarily designed as a substitute for mica-dielectric capacitors as a step toward conservation of
critical mica. They are effective substitutes for mica-dielectric capacitors and can be employed for many applications
where mica-dielectric capacitors are used, provided consideration is given to the differences in temperature
coefficient and dielectric loss. Capacitors covered by this specification are military unique due to the fact that these
devices must be able to operate satisfactorily in military systems under the following demanding environmental
conditions: shock, vibration, acceleration, extreme moisture, vacuum, extended life of 30,000 hours and more, and
high operating temperatures such as experienced in missile-borne and space electronic equipment.
6.2 Acquisition requirements. Acquisition documents must specify the following:
Title, number, and date of the specification, the applicable specification sheet, and the complete PIN (see
a.
3.1).
Remarking of capacitors (see 3.25.2 and 3.25.3).
*
b.
c.
Packaging requirements (see 5.1).
Lead finish (see 3.5.1.1).
d.
Retinning (hot solder dip), if required (see 3.5.2).
e.
*
6.3 Qualification. With respect to products requiring qualification, awards will be made only for products that are,
at the time of award of contract, qualified for inclusion in Qualified Products List whether or not such products have
actually been so listed by that date. The attention of the contractors is called to these requirements, and
manufacturers are urged to arrange to have the products that they propose to offer to the Federal Government
tested for qualification in order that they may be eligible to be awarded contracts or orders for the products covered
by this specification. Information pertaining to qualification of products may be obtained from the Defense Supply
Center, Columbus, ATTN: DSCC-VQP, PO Box 3990, Columbus, OH 43218-3990, or by e-mail to
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