1、AMSC N/A FSC 5910 INCH-POUND MIL-PRF-14409/4E 4 December 2013 SUPERSEDING MIL-PRF-14409/4D 7 March 2007 PERFORMANCE SPECIFICATION SHEET CAPACITORS, VARIABLE (PISTON TYPE, TUBULAR TRIMMER), STYLES PC38 AND PC48 This specification sheet is approved for use by all Departments and Agencies of the Depart
2、ment of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-14409. NOTES: 1. Dimensions are in inches. 2. Metric equivalents (to the nearest 0.01 mm) are given for general information only and are based upon 1 inch = 25.4 mm. 3.
3、Unless otherwise specified, tolerance is .016. 4. The flat on the mounting bushing shall extend to the mounting surface of the shoulder. 5. There shall be a minimum of one and one-half turns of wire around the body. These turns of wire shall be completely soldered to the body. For wire sizes see tab
4、le I. 6. For dimension A see table I. FIGURE 1. Dimensions and configuration. Inches mm .005 0.13 .016 0.41 .020 0.51 .047 1.19 .080 2.03 .125 3.18 .167 4.24 .171 4.34 .175 4.45 .191 4.85 .195 4.95 .250 6.35 .281 7.14 .312 7.92 1.500 38.10 Provided by IHSNot for ResaleNo reproduction or networking p
5、ermitted without license from IHS-,-,-MIL-PRF-14409/4E 2 REQUIREMENTS: Dimensions: See figure 1 and table I. DC voltage rating: See table I. Construction: Sealed glass or quartz, see figure 1 and table I. Capacitance range: See table I. Insulation resistance (IR): Method 302 of MIL-STD-202, test con
6、dition B (500 volts 10 percent); not less than 1,000,000 megohms, except characteristics J and H shall be not less than 100,000 megohms at 125C. Quality factor (Q): See table I. Thermal Shock: Method 107 of MIL-STD-202, test condition A, except the step 3 temperature shall be 125C 5C for characteris
7、tics J and H, and 150C 5C for characteristic Q. Immersion: Method 104 of MIL-STD-202, test condition A. Seal test: Applicable. TABLE I. Type designations and characteristics. Type designation DC rated voltage Capacitance range Dimensions 1/ A .031 (0.79) Q Wire size AWG Dielectric material Min Max P
8、C38Q1R8 PC38Q5R5 PC38Q9R5 PC38Q160 PC48J5R5 PC48J110 PC48H160 PC48H230 PC48H380 volts 750 1,250 1,250 1,250 750 1,250 1,250 1,250 1,250 pF 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 1.0 pF 1.8 5.5 9.5 16.0 5.5 11.0 16.0 23.0 38.0 .359 ( 9.12) .625 (15.88) 1.062 (26.97) 1.656 (42.06) .359 ( 9.12) .594 (15.09) .
9、812 (20.62) 1.062 (26.97) 1.656 (42.06) 1,500 1,500 1,500 1,500 1,000 900 800 700 500 24 22 22 22 24 22 22 22 22 Quartz Quartz Quartz Quartz Glass 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. Millim
10、eters are in parentheses. TABLE II. Substitutability data. Superseded type designation in Substitutable type designation in MIL-PRF-14409/4 MIL-PRF-14409/4A through /4E PC38J4R5 PC38J8R5 PC38H120 PC38H180 PC38H300 PC48J5R5 PC48J110 PC48H160 PC48H230 PC48H380 Provided by IHSNot for ResaleNo reproduct
11、ion or networking permitted without license from IHS-,-,-MIL-PRF-14409/4E 3 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 lia
12、bility 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 relationship to the last previous issue. Referenced documents: In addition to MIL-PRF-
13、14409, this document also references MIL-STD-202. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5910-2013-028) DLA - CC 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-,-,-
