1、AMSC N/A FSC 5910 MIL-PRF-14409/18D SUPERSEDING 9 July 2009 MIL-PRF-14409/18C 25 July 2001 PERFORMANCE SPECIFICATION SHEET CAPACITORS, VARIABLE (PISTON TYPE, TUBULAR TRIMMER), STYLES PC18 AND PC46. This specification sheet is approved for use by all Departments and Agencies of the Department of Defe
2、nse. The requirements for acquiring the capacitors described herein shall consist of this specification sheet and MIL-PRF-14409. FIGURE 1. Dimensions and configurations. INCH POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-14409/18D 2 N
3、OTES: 1. Dimensions are in inches. 2. Metric equivalents are for information only. 3. Unless otherwise specified, tolerance is .016 (0.41 mm). 4. Solder, if used, shall be high temperature solder having a melting point of 300C +50C, -5C. FIGURE 1. Dimensions and configurations- Continued. REQUIREMEN
4、TS: Dimensions and configuration: See figure 1 and table I. DC voltage rating: See table I. Construction: Alumina ceramic, O-ring sealed. Dielectric: Air. Capacitance range: See table I. Inches mm .005 0.13 .015 0.38 .020 0.51 .030 0.76 .031 0.79 .062 1.57 .109 2.77 .125 3.18 .14 3.5 .188 4.78 .219
5、5.56 .234 5.94 .250 6.35 .280 7.11 .281 7.14 .297 7.54 .312 7.92 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-14409/18D 3 Insulation resistance: Shall be not less than 1,000,000 megohms at room ambient temperature and not less than 100,000
6、 megohms at 125C. Test condition - 250 volts 10 percent. Quality factor (Q): See table I (measured at frequency of 100 10 MHz). Driving torque: Greater than or equal to 0.5 and less than or equal to 5.0 ounce-inches from -55C to +125C. Thermal shock: Method 107 of MIL-STD-202, test condition A, exce
7、pt step 3 temperature shall be +125 5C. Immersion: In accordance with method 104 of MIL-STD-202, test condition A. Resistance to soldering heat: In accordance with MIL-PRF-14409. Seal: In accordance with MIL-PRF-14409. TABLE I. Capacitor characteristics. Part or Identifying Number (PIN) 1/ Capacitan
8、ce range Voltage rating Q minimum pF pF PC-L100 1.0 10 250 5,000 PC-L140 1.0 14 125 3,000 1/ Complete PIN shall include additional symbols to indicate style. Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the previous issu
9、e 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 of this document based on the entire content irrespective of the marginal notations and rela
10、tionship to the last previous issue. Referenced documents: In addition to MIL-PRF-14409, this document also references MIL-STD-202. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force 85 (Project 5910-2008-033) DLA - CC Review activities: Navy - AS, MC, OS Air Force - 99 NOTE: The
11、 activities 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 the ASSIST Online database at http:/assist.daps.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-