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Page Title:
Capacitors, Fixed Metallized (Paper-Plastic, or Plastic Film) |
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|  INCH-POUND
MIL-C-18312F
27 August 2001
SUPERSEDING
MIL-C-18312E
8 January 1970
MILITARY SPECIFICATION SHEET
CAPACITORS, FIXED, METALLIZED (PAPER-PLASTIC, OR PLASTIC FILM)
DIELECTRIC, DIRECT CURRENT
(HERMETICALLY SEALED IN METAL CASES),
GENERAL SPECIFICATION FOR
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
INACTIVE FOR NEW DESIGN after
8 January 1970, use MIL-PRF-39022
1. SCOPE
1.1 Scope. This specification covers the general requirements for fixed capacitors with metallized (paper, paper-
plastic or plastic film) dielectric, direct current, hermetically sealed in metal cases. These capacitors should only be
used in circuitry in which high values of insulation resistance are not essential, and in which occasional momentary
breakdowns can be tolerated.
1.2 Classification.
1.2.1 Type designation. The type designation shall be in the following form, and as specified (see 3.1):
CH09
A
1
N
F
225
M
Style
Terminal
Circuit
Characteristic
Voltage
Capacitance
Capacitance
(1.2.1.1)
(1.2.1.2)
(1.2.1.3)
(1.2.1.4)
rating
(1.2.1.6)
tolerance
(1.2.1.5)
(1.2.1.7)
1.2.1.1 Style. The style is identified by the two-letter symbol "CH" followed by a two-digit number; the letters
identify metallized (paper or plastic film) dielectric, fixed capacitors, and the number identifies the shape of the
capacitor.
1.2.1.2 Terminal. The terminal is identified by a single letter as shown in table I.
TABLE I. Terminal.
Symbol
Description
A
Axial wire-lead
B
solder lug (non-removable)
Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use
in improving this document should be addressed to: Defense Supply Center, Columbus, DSCC-VAT, Post
Office Box 3990, Columbus, OH 43216-5000 by using the Standardization Document Improvement
Proposal (DD Form 1426) appearing at the end of this document or by letter.
AMSC N/A
FSC 5910
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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