1、AMSC N/A FSC 5910 INCH-POUND MIL-PRF-14409/1D 4 December 2013 SUPERSEDING MIL-PRF-14409/1C 7 March 2007 PERFORMANCE SPECIFICATION SHEET CAPACITORS, VARIABLE (PISTON TYPE, TUBULAR TRIMMER), STYLE PC35 This specification sheet is approved for use by all Departments and Agencies of the Department of De
2、fense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-14409. Inactive for new design after 9 June 1969 NOTES: 1. Dimensions are in inches. 2. Metric equivalents (to the nearest 0.01 mm) are given for general information only and are
3、based upon 1 inch = 25.4 mm. 3. Unless otherwise specified, tolerance is .016. 4. There shall be a minimum of one and one-half turns of AWG size 22 wire around the body. These turns of wire shall be completely soldered to the body. 5. The flat on the mounting bushing shall extend to the mounting sur
4、face of the shoulder. 6. The piston shall not extend beyond the end of the tube at the maximum rated capacitance position. 7. For dimensions A and B see table I. FIGURE 1. Dimensions and configuration. Inches mm .005 0.13 .016 0.41 .020 0.51 .062 1.57 .080 2.03 .112 2.84 .225 5.72 .230 5.84 .234 5.9
5、4 .250 6.35 .251 6.38 .255 6.48 .312 7.92 .375 9.53 1.50 38.10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-14409/1D 2 REQUIREMENTS: Dimensions: See figure 1 and table I. DC voltage rating: 750 volts. Construction: Glass, see figure 1 and
6、table I. Capacitance range: See table I. Insulation resistance (IR): Method 302 of MIL-STD-202, test condition B (500 volts 10 percent); not less than 1,000,000 megohms throughout temperature range. Quality factor (Q): See table I. Thermal Shock: Method 107 of MIL-STD-202, test condition A, except t
7、hat the step 3 temperature shall be 125C 5C. Barometric pressure (reduced): Not applicable. TABLE I. Type designation and characteristics. Type designation Capacitance range Dimensions 1/ Q Dielectric material Min Max A .031 (0.79) B (max) PC35H4R5 PC35H130 PC35H240 PC35H400 pF 0.5 0.8 1.0 1.0 pF 4.
8、5 13.0 24.0 40.0 .484 (12.29) .609 (15.47) 1.000 (25.40) 1.594 (40.49) .625 (15.88) .625 (15.88) .812 (20.62) 1.125 (28.58) 1,000 900 700 500 Glass Glass Glass Glass 1/ Metric equivalents (to the nearest 0.01 mm) are given for general information only and are based upon 1 inch = 25.4 mm. Millimeters
9、 are in parentheses. Changes from previous issue: The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notatio
10、ns. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Referenced documents: In addition to MIL-PRF-14409, this document also references MIL-STD-202. Custo
11、dians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force 85 DLA CC (Project 5910-2013-027) Review activities: Navy - AS, MC, OS NOTE: The 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 https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-