DLA MIL-C-11015 F-2008 CAPACITORS FIXED CERAMIC DIELECTRIC (GENERAL PURPOSE) GENERAL SPECIFICATION FOR.pdf

1、AMSC N/A FSC 5910 MIL-C-11015F 5 November 2008 SUPERSEDING MIL-C-11015E 14 May 2001 MILITARY SPECIFICATION CAPACITORS, FIXED, CERAMIC DIELECTRIC (GENERAL PURPOSE), GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE

2、1.1 Scope. This specification covers the general requirements for general purpose, ceramic dielectric, insulated, fixed capacitors for use in applications where variations in capacitance with respect to temperature, voltage, frequency, and life can be tolerated. 1.2 Classification. Capacitors covere

3、d by this specification are classified by the style, as specified (see 3.1). 1.2.1 Part or Identifying Number (PIN). The PIN is in the following form, and as specified (see 3.1). CK05 BX 100 K | | | | Style Rated temperature Capacitance Capacitance (1.2.1.1) and voltage (1.2.1.3) tolerance temperatu

4、re limits (1.2.1.4) (1.2.1.2) 1.2.1.1 Style. The style is identified by the two-letter symbol “CK“ followed by a two-digit number; the letters identify general purpose, ceramic dielectric, fixed capacitors, and the number identifies the shape and dimensions of the capacitor. 1.2.1.2 Rated temperatur

5、e and voltage-temperature limits. The rated temperature and voltage-temperature limits are identified by a two-letter symbol. The first letter indicates the rated temperature as shown in table I; the second letter indicates the voltage-temperature limits as shown in table II. TABLE I. Rated temperat

6、ure. Symbol Temperature (range) C A -55 to +85 B -55 to +125 C -55 to +150 INACTIVE FOR NEW DESIGN after 31 March 1999 Comments, suggestions or questions on this document should be addressed to Defense Supply Center Columbus, ATTN: VAT, Post Office Box 3990, Columbus, OH 43218-3990), or emailed to c

7、apacitorfilterdla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at assist.daps.dla.mil. INCH-POUNDProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-1101

8、5F 2 TABLE II. Voltage-temperature limits. Capacitance change with reference to 25C Symbol Steps A to D incl of table VIII Steps E to G incl of table VIII Rated temperature symbol (see table I) Percent Percent +15, -15 +15, -40 B +22, -56 +22, -66 A,B +15, -15 +15, -25 A,B +30, -70 +30, -80 A R W X

9、Y Z +20, -20 +20, -30 C 1.2.1.3 Capacitance. The nominal capacitance value, expressed in picofarads (pf), is identified by a three-digit number; the first two digits represent significant figures and the last digit specifies the number of zeros to follow. When fractional values of a pf are required,

10、 the letter “R“ is used to indicate the decimal point and the succeeding digits of the group represent significant figures. Example: 2R2 indicates 2.2 pf. 1.2.1.4 Capacitance tolerance. The capacitance tolerance is identified by a single letter as shown in table III. TABLE III. Capacitance tolerance

11、. Symbol Capacitance tolerance Percent () K 10 M 20 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional i

12、nformation or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1

13、Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL STANDARDS FED-STD-H28 - Scr

14、ew-Thread Standards for Federal Services. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-39014 - Capacitors, Fixed, Ceramic Dielectric (General Purpose), Established Reliability and Non-Established Reliability, General Specification for. (See supplement 1 for list of associated specification sheets.)

15、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-11015F 3 DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Electronic and Electrical Component Parts, Test Methods for. MIL-STD-1285 - Marking of Electrical and Electronic Parts. (Copies of these docu

16、ments are available online at http:/assist.daps.dla.mil/quicksearch/ or http:/assist.daps.dla.mil/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents form a part of this document to

17、the extent specified herein. Unless otherwise specified, the issues of the documents are those cited in the solicitation or contract. NATIONAL CONFERENCE OF STANDARDS LABORATORIES (NCSL) NCSL Z540.3 - Requirements for the Calibration of Measuring and Test Equipment. (Copies of these documents are av

18、ailable from http:/ or Global Engineering Documents, Attn: Customer Service Department, 15 Inverness Way East, Englewood, CO 80112-5776.) INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) ISO 10012 - Measurement Management Systems Requirements for Measurement Processes and Measuring Equipment. (C

19、opies of these documents are available from http:/ or Global Engineering Documents, Attn: Customer Service Department, 15 Inverness Way East, Englewood, CO 80112-5776.) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this docu

20、ment and the references cited herein (except for related specification sheets), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS: 3.1 Specification sheets. The indi

21、vidual item requirements shall be as specified herein and in accordance with the applicable specification sheets. In the event of any conflict between requirements of this specification and the specification sheets, the latter shall govern. 3.2 Qualification. Capacitors furnished under this specific

22、ation shall be products which are qualified for listing on the applicable qualified products list at the time set for opening of bids (see 4.4 and 6.3). 3.3 Materials. Materials shall be as specified herein. However, when a definite material is not specified, a material shall be used which will enab

23、le the capacitors to meet the performance requirements of this specification. Acceptance or approval of any constituent material shall not be construed as a guaranty of the acceptance of the finished product. 3.3.1 Insulating and impregnating compounds. Insulating and impregnating compounds, includi

24、ng resins, varnishes, waxes, and the like, shall be suitable for each particular application. Compounds shall preserve the electrical characteristics of the insulation to which they are applied. 3.3.2 Pure tin. The use of pure tin, as an underplate or final finish, is prohibited both internally and

25、externally. Tin content of capacitor components and solder shall not exceed 97 percent by mass. Tin shall be alloyed with a minimum of 3 percent lead, by mass (see 6.4). Use of lead-free, tin alloy high temperature solders for internal connections requires approval by the qualifying activity. The ti

26、n content of lead-free high temperature solders shall not exceed 97 percent by mass. 3.4 Design and construction. Capacitors shall be of the design, construction, and physical dimensions specified (see 3.1). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH

27、S-,-,-MIL-C-11015F 4 3.4.1 Threaded parts. All threaded parts (see 3.1) shall be in accordance with FED-STD-H28. 3.4.2 Solder-type terminals. Solder-type terminals shall be coated with solder having a 40 to 70 percent tin content. 3.4.3 Mounting hardware (when specified, see 3.1). Capacitors shall b

28、e furnished with the mounting hardware specified (see 3.1). 3.5 Dielectric withstanding voltage. When capacitors are tested as specified in 4.7.2, there shall be no breakdown or evidence of damage. 3.6 Barometric pressure (reduced) (qualification only). When tested as specified in 4.7.3, capacitors

29、shall withstand the dc potential specified (see 3.1) without flashover. 3.7 Insulation resistance. When measured as specified in 4.7.4, the insulation resistance shall be not less than the value specified (see 3.1). 3.8 Capacitance. When measured as specified in 4.7.5, the capacitance shall be withi

30、n the applicable tolerance specified (see 3.1). 3.9 Dissipation factor. When measured as specified in 4.7.6, the dissipation factor shall not exceed the value specified (see 3.1). 3.10 Shock, specified pulse (all styles except CK22 and CK27). When capacitors are tested as specified in 4.7.7, there s

31、hall be no momentary or intermittent contacts of 0.5 millisecond (ms) or greater duration, open or short-circuiting, or other indication of breakdown or arcing, nor shall there be any evidence of mechanical damage. 3.11 Vibration, high frequency. When capacitors are tested as specified in 4.7.8, the

32、re shall be no intermittent contacts of 0.5 ms or greater duration, open or short-circuiting, or evidence of mechanical damage. 3.12 Thermal shock and immersion. When tested as specified in 4.7.9, capacitors shall meet the following requirements: Visual examination-No mechanical damage. Marking shal

33、l remain legible. Dielectric withstanding voltage (when specified; see 3.1)-As specified in 3.5. Insulation resistance-Not less than value specified (see 3.1). Capacitance (when specified; see 3.1)-Capacitance change shall not exceed 10 percent of the initial measured value. Dissipation factor (when

34、 specified; see 3.1)-As specified in 3.9. 3.13 Salt spray (corrosion) (styles CK70 and CK72). When capacitors are tested as specified in 4.7.10, there shall be no harmful or extensive corrosion, and at least 90 percent of any exposed metal surface of the capacitor shall be protected by the finish. T

35、here shall be no mechanical damage to insulating surfaces. In addition, corrosion of the mounting hardware or of the terminals shall not exceed 10 percent of the surface area. 3.14 Terminal strength (when specified; see 3.1). When capacitors are tested as specified in 4.7.11, the terminals shall not

36、 loosen or rupture. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-11015F 5 3.15 Moisture resistance. When tested as specified in 4.7.12, capacitors shall meet the following requirements: Visual examination- No mechanical damage. Marking shall

37、 remain legible. Dielectric withstanding voltage (when specified; see 3.1)- As specified in 3.5. Insulation resistance- Unless otherwise specified (see 3.1), not less than 10 percent of the initial 25C requirement. Capacitance (when specified; see 3.1)- Unless otherwise specified (see 3.1), capacita

38、nce change shall not exceed 10 percent of the initial measured value. 3.16 Solderability. When capacitors are tested as specified in 4.7.13, the dipped surface shall be at least 95 percent covered with a new, smooth, solder coating. The remaining 5 percent may contain only small pinholes or rough sp

39、ots; these shall not be concentrated in one area. Bare base metal where the solder dip failed to cover the original coating is an indication of poor solderability, and shall be cause for failure. In case of dispute, the percent of coverage with pinholes or rough spots shall be determined by actual m

40、easurement of these areas, as compared to the total area. 3.17 Resistance to soldering heat (all styles except CK22, CK27, CK74, CK75, CK78, CK79, and CK85,). When tested as specified in 4.7.14, capacitors shall meet the following requirements: Insulation resistance-Not less than the initial 25C req

41、uirement (see 3.1). Capacitance-Change not more than +15, -5 percent from the initial 25C measured value. Dissipation factor-Shall not exceed initial limit. 3.18 Voltage-temperature limits. When capacitors are tested as specified in 4.7.15, the capacitance change shall not exceed the applicable limi

42、ts specified in table II. The capacitance value obtained in step C of table VIII shall be considered as the reference point. 3.19 Life (at elevated ambient temperature). When tested as specified in 4.7.16, capacitors shall meet the following requirements: Visual examination-No mechanical damage. Ins

43、ulation resistance-Shall be not less than the value specified (see 3.1). Capacitance (when specified; see 3.1)-Change shall not exceed 20 percent from the initial measured value. Dissipation factor-Shall not exceed the value specified (see 3.1). 3.20 Marking. Unless otherwise specified (see 3.1), ca

44、pacitors shall be permanently and legibly marked with the PIN, the manufacturers name or symbol, and the date code. Paper labels shall not be used. Other markings which in any way interfere with, obscure, or confuse those specified herein are prohibited. The marking shall remain legible after all te

45、sts. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-11015F 6 3.20.1 PIN. There shall be no space between the symbols which comprise the PIN. When the size of the capacitor does not permit the PIN to be marked on one line, it may be divided int

46、o two or three lines as shown in the following examples: Examples: CK60BX CK05 2R2K or BX 100K 3.20.2 Date code. The date code shall be in accordance with MIL-STD-1285 and, unless otherwise specified (see 3.1), shall be marked on the capacitor wherever capacitor size permits. 3.20.3 Marking of estab

47、lished reliability (ER) parts. An ER part manufactured in accordance with MIL-PRF-39014 may be marked and furnished as the non-ER part to this specification, if produced on the same assembly line or lines, and provided it is subjected to and meets all the inspection requirements of the ER part. 3.21

48、 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable 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. 3.22 Mark