1、 MIL-PRF-81/1E SUPERSEDING 19 April 2011 MIL-PRF-81/1D 9 November 2005 PERFORMANCE SPECIFICATION SHEET CAPACITORS, VARIABLE, CERAMIC DIELECTRIC, STYLE CV11 This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product
2、described herein shall consist of this specification and MIL-PRF-81. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerances are .03 (0.76 mm) for two decimal places and .010 (0.25 mm) for three decimal places. 4. Li
3、miting dimensions as shown. FIGURE 1. Dimensions and configurations. AMSC N/A FSC 5910 .Inches mm .005 0.13 .016 0.41 .039 0.99 .045 1.14 .050 1.27 .090 2.29 .120 3.05 .125 3.18 .150 3.81 .22 5.59 .229 5.82 .31 7.87 .38 9.65 .406 10.31 .438 11.13 .64 16.26 .84 21.34 INCH POUND Provided by IHSNot for
4、 ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-81/1E 2 REQUIREMENTS: Dimensions and configuration: See figure 1. Capacitance value: See table I. DC rated voltage: See table I. Operating temperature range: -55C to +85C. Characteristics: See table I. Dielectric wit
5、hstanding voltage: Method 301 of MIL-STD-202: A dc potential of 2.2 times rated voltage applied between terminals for 3 seconds 2 seconds. TABLE I. Style CV11. Characteristics Type designation Capacitance (pF) DC rated Symbol Capacitance change from value at 25C voltage (volts) At -55C At +85C Minim
6、um Maximum Minimum percent Maximum percent Minimum percent Maximum percent CV11A070 CV11A120 CV11A250 CV11B130 CV11B200 CV11C300 CV11C450 CV11D060 CV11D300 CV11D450 1.5 3.0 4.5 3.0 5.0 4.0 7.0 2.0 4.0 7.0 7.0 12.0 25.0 13.0 20.0 30.0 45.0 6.0 30.0 45.0 500 500 500 500 500 500 500 500 500 500 A A A B
7、 B C C D D D -4.5 -4.5 -4.5 -1.0 -1.0 -1.0 -1.0 +1.5 +1.5 +1.5 +2.0 +2.0 +2.0 +3.5 +3.5 +6.5 +6.5 +8.2 +8.2 +8.2 -2.5 -2.5 -2.5 -2.5 -2.5 -4.0 -4.0 -5.0 -5.0 -5.0 +2.0 +2.0 +2.0 -0.5 -0.5 -1.0 -1.0 -1.5 -1.5 -1.5 Barometric pressure: Method 105 of MIL-STD-202, condition D (100,000 feet) and conditio
8、n B (50,000 feet). Test potential: 80 percent of dc rated voltage for condition D and 125 percent dc rated voltage for condition B. Insulation resistance: Method 302 of MIL-STD-202, condition A, 100 volts dc applied: 10,000 megohms, minimum. Capacitance: Method 305 of MIL-STD-202. DF: At 1 MHz 100 k
9、Hz, at maximum and minimum capacitance: Shall be not more than 0.2 percent. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-81/1E 3 Temperature coefficient: Within the limits specified for the applicable characteristic. Capacitance drift: Wit
10、hin 0.75 percent of initial step 1 measurement or 0.50 pF, whichever is greater. Terminal strength: Pull test: Capacitor held by body and 4-pound load applied to each terminal for at least 10 seconds. Torque: Not less than 4 ounce-inches nor more than 24 ounce-inches. Fatigue: C: Shall not exceed 12
11、 percent or 0.75 pF, whichever is greater. Torque: Not less than 4 ounce-inches nor more than 36 ounce-inches. Life: Qualification test: 1,000 hours at +85C, 750 volts dc with a 100 Hz or less 250 volt ac peak potential applied. Insulation resistance: Method 302 of MIL-STD-202, condition A, 100 volt
12、s dc applied: 10,000 megohms, minimum. Capacitance change: Shall not exceed 5 percent of initial value or 0.5 pF, whichever is greater. Group C life: Conditions and requirements are the same as that required for qualification. Shock (specified pulse): Method 213 of MIL-STD-202, condition I (100 gs).
13、 Vibration: Method 204 of MIL-STD-202, condition B (15 gs). Capacitance change: Shall not exceed 2 percent or 0.5 pF, whichever is greater. DF: Shall be not more than 0.2 percent. Dielectric withstanding voltage: 1,100 volts dc applied for 3 seconds 2 seconds. Insulation resistance: 10,000 megohms,
14、minimum. Moisture resistance: Method 106 of MIL-STD-202: Insulation resistance: 10,000 megohms, minimum. Capacitance change: Shall not exceed 10 percent of initial value or 0.5 pF, whichever is greater. DF: Shall be not more than 0.5 percent. Provided by IHSNot for ResaleNo reproduction or networkin
15、g permitted without license from IHS-,-,-MIL-PRF-81/1E 4 Reference documents: In addition to MIL-PRF-81, this document references to following. MIL-STD-202 * Qualification inspection: Qualification inspection is not required. A manufacturer that is currently listed on the QPL for at least one other
16、MIL-PRF-81 style may supply CV11 parts by performing the group A and group B testing. A manufacturer that is not qualified to any MIL-PRF-81 styles may produce these parts by performing the group A, group B, and group C testing on the product before delivery. Changes from previous issue. The margins
17、 of this specification are marked with asterisks to indicate where changes from previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements
18、 of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5910-2011-006) DLA - CC Review activities: Army - AR, MI Air Force 19, 99 NOTE: The a
19、ctivities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using ASSIST Online database at https:/assist.daps.dla.mil . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
