1、AMSC N/A FSC 5910 INCH-POUND MIL-PRF-19978/2E 15 October 2009 SUPERSEDING MIL-PRF-19978/2D 27 May 1999 PERFORMANCE SPECIFICATION SHEET CAPACITORS, FIXED, PLASTIC (OR PAPER-PLASTIC) DIELECTRIC, (HERMETICALLY SEALED IN CERAMIC OR GLASS CASES), STYLE CQ20 This specification sheet is approved for use by
2、 all Departments and Agencies of Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-19978. Inches mm Inches mm .001 0.03 .375 9.53 .004 0.10 .531 13.49 .031 0.79 .625 15.88 .032 0.81 .750 19.05 .040 1.02 1.00 25.4
3、.125 3.18 2.00 50.8 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Leads shall be solder coated solid wire, .032 (No. 20 AWG) for cases .531 and .625 in diameter, and .040 (No. 18 AWG) for cases .75 and above in diameter. Tolerance on all lead wi
4、re diameters shall be +.004, -.001. 4. Mounting hardware consisting of two lockwashers and four nuts shall be supplied with each capacitor with threaded-stud terminals. 5. These capacitors are not intended to be supported by their leads. These capacitors shall be supported with a supplementary means
5、 of mounting, such as tangential retainer or wrap-around band. The supporting device will not be supplied with the capacitor. FIGURE 1. Style CQ20 capacitors. SOLDER COATEDWIRE Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-19978/2E 2 REQUIR
6、EMENTS: Design and construction: Dimensions and configuration: See figure 1 and table I. Construction: Extended foil or laid-in-tab . Terminals: See table I. Circuit diagram: Rated voltage: See table I. Rated temperature: -65C to +125C Capacitance (Cap.) (nom): See table I. Capacitance tolerance: Se
7、e table I. Dissipation factor (DF) (max): 1.0 percent. Seal: In accordance with method 112 of MIL-STD-202, test condition letter A. Dielectric withstanding voltage (DWV): Sleeving: In accordance with MIL-PRF-19978. Barometric pressure: In accordance with MIL-PRF-19978. Test points: Circuit diagram 1
8、 - Between terminals and case. Insulation resistance (IR): Sleeving - In accordance with MIL-PRF-19978. Terminal to terminal - See table II. Vibration, low frequency: Method 201 of MIL-STD-202. Direction and duration of motion: Four hours in each of two mutually perpendicular directions (total of 8
9、hours), one parallel and the other perpendicular to the cylindrical axis. Salt atmosphere (corrosion): Not applicable. Immersion: DWV: Sleeving: In accordance with MIL-PRF-19978. IR: Sleeving: In accordance with MIL-PRF-19978. Solderability: In accordance with MIL-PRF-19978 for wire leads only. Prov
10、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-19978/2E 3 Terminal strength: In accordance with method 211 of MIL-STD-202. Wire leads: Test condition letter D. Threaded stud and nuts: Test condition letters A and E. Moisture resistance: DWV: Sle
11、eving: In accordance with MIL-PRF-19978. IR: Sleeving: In accordance with MIL-PRF-19978. Stability at low and high temperatures: Low temperature: Test temperature: -65C +0C, -5C. Capacitance change (max): -10 percent. High temperature: Test temperature: +125C +0C, -5C. Capacitance change (max): +10
12、percent. Life: Capacitance change (max): 5 percent. Resistance to soldering heat: In accordance with MIL-PRF-19978. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-19978/2E 4 TABLE I. Style CQ20 capacitors. Part or identifying number (PIN) 1/
13、 DC voltage Capacitance Capacitance tolerance Terminal identification Case dimensions 2/ rating (see figure 2) L .062 D .031 Volts F Inches CQ20A1KG102-1 Inches 1,000 0.0010 J, K A 1.188 .531 CQ20A1KG152-1 1,000 0.0015 J, K A 1.188 .531 CQ20A1KG222-1 1,000 0.0022 J, K A 1.188 .531 CQ20A1KG332-1 1,00
14、0 0.0033 J, K A 1.188 .531 CQ20A1KG472-1 1,000 0.0047 J, K A 1.188 .531 CQ20A1KG682-1 1,000 0.0068 J, K A 1.188 .531 CQ20A1KG103-1 1,000 0.010 J, K A 1.188 .531 CQ20A1KG153-1 1,000 0.015 J, K A 1.188 .531 CQ20A1KG223-1 1,000 0.022 J, K A 1.562 .531 CQ20-1KG333-1 1,000 0.033 J, K A,C 1.562 .625 CQ20-
15、1KG473-1 1,000 0.047 J, K A,C 1.750 .625 CQ20-1KG683-1 1,000 0.068 J, K A,C 2.000 .625 CQ20-1KG104-1 1,000 0.10 J, K A,C 2.250 .625 CQ20-1KG154-1 1,000 0.15 J, K A,C 2.250 .750 CQ20-1KG224-1 1,000 0.22 J, K A,C 2.500 .750 CQ20-1KG334-1 1,000 0.33 J, K A,C 2.750 1.031 CQ20-1KG474-1 1,000 0.47 J, K A,
16、C 3.000 1.031 CQ20-1KG684-1 1,000 0.68 J, K A,C 3.250 1.344 CQ20-1KG105-1 1,000 1.0 J, K A,C 3.750 1.344 CQ20A1KJ102-1 2,000 0.0010 J, K A 1.188 .531 CQ20A1KJ152-1 2,000 0.0015 J, K A 1.188 .531 CQ20A1KJ222-1 2,000 0.0022 J, K A 1.188 .531 CQ20A1KJ332-1 2,000 0.0033 J, K A 1.188 .531 CQ20A1KJ472-1 2
17、,000 0.0047 J, K A 1.188 .531 CQ20A1KJ682-1 2,000 0.0068 J, K A 1.188 .531 CQ20A1KJ103-1 2,000 0.010 J, K A 1.562 .531 CQ20A1KJ153-1 2,000 0.015 J, K A 1.562 .531 CQ20-1KJ223-1 2,000 0.022 J, K A,C 1.562 .625 CQ20-1KJ333-1 2,000 0.033 J, K A,C 1.750 .625 CQ20-1KJ473-1 2,000 0.047 J, K A,C 2.000 .625
18、 CQ20-1KJ683-1 2,000 0.068 J, K A,C 2.000 .750 CQ20-1KJ104-1 2,000 0.10 J, K A,C 2.250 .875 CQ20-1KJ154-1 2,000 0.15 J, K A,C 2.500 1.031 CQ20-1KJ224-1 2,000 0.22 J, K A,C 2.750 1.031 CQ20-1KJ334-1 2,000 0.33 J, K A,C 2.750 1.344 CQ20-1KJ474-1 2,000 0.47 J, K A,C 3.750 1.344 CQ20-1KJ684-1 2,000 0.68
19、 J, K A,C 3.750 1.344 CQ20A1KL102-1 3,000 0.001 J, K A 1.188 .531 CQ20A1KL152-1 3,000 0.0015 J, K A 1.188 .531 CQ20A1KL222-1 3,000 0.0022 J, K A 1.188 .531 CQ20A1KL332-1 3,000 0.0033 J, K A 1.188 .531 CQ20A1KL472-1 3,000 0.0047 J, K A 1.562 .531 CQ20A1KL682-1 3,000 0.0068 J, K A 1.562 .531 CQ20-1KL1
20、03-1 3,000 0.010 J, K A,C 1.562 .625 CQ20-1KL153-1 3,000 0.015 J, K A,C 1.750 .625 CQ20-1KL223-1 3,000 0.022 J, K A,C 2.000 .625 CQ20-1KL333-1 3,000 0.033 J, K A,C 2.000 .750 CQ20-1KL473-1 3,000 0.047 J, K A,C 2.250 .750 CQ20-1KL683-1 3,000 0.068 J, K A,C 2.500 .875 CQ20-1KL104-1 3,000 0.10 J, K A,C
21、 3.250 .875 See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-19978/2E 5 TABLE I. Style CQ20 capacitors- Continued. Part or identifying number (PIN) 1/ DC voltage Capacitance Capacitance tolerance Terminal identif
22、ication Case dimensions 2/ rating (see figure 2) L .062 D .031 Volts F Inches CQ20-1KL154-1 Inches 3,000 0.15 J, K A,C 3.250 1.031 CQ20-1KL224-1 3,000 0.22 J, K A,C 3.250 1.344 CQ20-1KL334-1 3,000 0.33 J, K A,C 3.750 1.344 CQ20A1KN471-1 5,000 0.00047 J, K A 1.562 .531 CQ20A1KN681-1 5,000 0.00068 J,
23、K A 1.562 .531 CQ20A1KN102-1 5,000 0.0010 J, K A 1.562 .531 CQ20A1KN152-1 5,000 0.0015 J, K A 1.562 .531 CQ20A1KN222-1 5,000 0.0022 J, K A 1.562 .531 CQ20A1KN332-1 5,000 0.0033 J, K A 1.562 .531 CQ20-1KN472-1 5,000 0.0047 J, K A,C 1.562 .625 CQ20-1KN682-1 5,000 0.0068 J, K A,C 1.750 .625 CQ20-1KN103
24、-1 5,000 0.010 J, K A,C 2.250 .625 CQ20-1KN153-1 5,000 0.015 J, K A,C 2.250 .750 CQ20-1KN223-1 5,000 0.022 J, K A,C 2.500 .875 CQ20-1KN333-1 5,000 0.033 J, K A,C 3.000 .875 CQ20-1KN473-1 5,000 0.047 J, K A,C 3.000 1.031 CQ20-1KN683-1 5,000 0.068 J, K A,C 3.500 1.031 CQ20-1KN104-1 5,000 0.10 J, K A,C
25、 3.500 1.344 CQ20-1KN154-1 5,000 0.15 J, K A,C 3.750 1.344 CQ20-1KR471-1 7,500 0.00047 J, K A,C 1.562 .625 CQ20-1KR681-1 7,500 0.00068 J, K A,C 1.562 .625 CQ20-1KR102-1 7,500 0.0010 J, K A,C 1.750 .625 CQ20-1KR152-1 7,500 0.0015 J, K A,C 1.750 .625 CQ20-1KR222-1 7,500 0.0022 J, K A,C 1.750 .750 CQ20
26、-1KR332-1 7,500 0.0033 J, K A,C 2.250 .750 CQ20-1KR472-1 7,500 0.0047 J, K A,C 2.250 .750 CQ20-1KR682-1 7,500 0.0068 J, K A,C 2.750 .875 CQ20-1KR103-1 7,500 0.010 J, K A,C 2.750 .875 CQ20-1KR153-1 7,500 0.015 J, K A,C 2.750 1.031 CQ20-1KR223-1 7,500 0.022 J, K A,C 2.750 1.344 CQ20-1KR333-1 7,500 0.0
27、33 J, K A,C 2.750 1.344 CQ20-1KR473-1 7,500 0.047 J, K A,C 3.500 1.344 CQ20-1KR683-1 7,500 0.068 J, K A,C 4.250 1.344 CQ20-1KS471-1 10,000 0.00047 J, K A,C 2.250 .625 CQ20-1KS681-1 10,000 0.00068 J, K A,C 2.250 .625 CQ20-1KS102-1 10,000 0.0010 J, K A,C 2.250 .750 CQ20-1KS152-1 10,000 0.0015 J, K A,C
28、 2.250 .875 CQ20-1KS222-1 10,000 0.0022 J, K A,C 2.750 .875 CQ20-1KS332-1 10,000 0.0033 J, K A,C 2.750 .875 CQ20-1KS472-1 10,000 0.0047 J, K A,C 2.750 1.031 CQ20-1KS682-1 10,000 0.0068 J, K A,C 2.750 1.344 CQ20-1KS103-1 10,000 0.010 J, K A,C 2.750 1.344 CQ20-1KS153-1 10,000 0.015 J, K A,C 3.250 1.34
29、4 CQ20-1KS223-1 10,000 0.022 J, K A,C 3.750 1.344 CQ20-1KS333-1 10,000 0.033 J, K A,C 4.750 1.344 CQ20-1KS393-1 10,000 0.039 J, K A,C 5.250 1.344 CQ20-1KT471-1 12,500 0.00047 J, K A,C 2.750 .750 CQ20-1KT681-1 12,500 0.00068 J, K A,C 2.750 .750 CQ20-1KT102-1 12,500 0.0010 J, K A,C 2.750 .875 CQ20-1KT
30、152-1 12,500 0.0015 J, K A,C 3.250 .875 See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-19978/2E 6 TABLE I. Style CQ20 capacitors- Continued. Part or identifying number (PIN) 1/ DC voltage Capacitance Capacitanc
31、e tolerance Terminal identification Case dimensions 2/ rating (see figure 2) L .062 D .031 Volts F Inches CQ20-1KT222-1 Inches 12,500 0.0022 J, K A,C 3.250 1.031 CQ20-1KT332-1 12,500 0.0033 J, K A,C 3.750 1.031 CQ20-1KT472-1 12,500 0.0047 J, K A,C 3.750 1.031 CQ20-1KT682-1 12,500 0.0068 J, K A,C 3.2
32、50 1.344 CQ20-1KT103-1 12,500 0.010 J, K A,C 3.750 1.344 CQ20-1KT153-1 12,500 0.015 J, K A,C 4.750 1.344 CQ20-1KT223-1 12,500 0.022 J, K A,C 5.250 1.344 CQ20-1KU471-1 15,000 0.00047 J, K A,C 2.750 .750 CQ20-1KU681-1 15,000 0.00068 J, K A,C 2.750 .875 CQ20-1KU102-1 15,000 0.0010 J, K A,C 3.250 .875 C
33、Q20-1KU152-1 15,000 0.0015 J, K A,C 3.250 .875 CQ20-1KU222-1 15,000 0.0022 J, K A,C 3.250 1.031 CQ20-1KU332-1 15,000 0.0033 J, K A,C 3.250 1.344 CQ20-1KU472-1 15,000 0.0047 J, K A,C 3.250 1.344 CQ20-1KU682-1 15,000 0.0068 J, K A,C 3.750 1.344 CQ20-1KU103-1 15,000 0.010 J, K A,C 4.250 1.344 CQ20-1KU1
34、53-1 15,000 0.015 J, K A,C 5.250 1.344 1/ Complete part number shall include symbols to indicate terminal and capacitance tolerances. 2/ See table III for metric equivalents. FIGURE 2 .Voltage derating for high ambient test temperature (characteristic K). Provided by IHSNot for ResaleNo reproduction
35、 or networking permitted without license from IHS-,-,-MIL-PRF-19978/2E 7 TABLE II. Terminal-to-terminal insulation resistance. Capacitance rating Minimum insulation resistance Characteristic K 0 to 0.6 microfarad At 25C 25,000 megohms Greater than 0.6 microfarad 15,000 megohm-microfarads 1/ 0 to 0.0
36、8 microfarad At 125C 250 megohms Greater than 0.08 microfarad 20 megohm-microfarads 1/ 1/ Product obtained by multiplying the capacitance in microfarads by the insulation resistance in megohms. TABLE III. Millimeter equivalents of decimal inches. Inches mm Inches mm .031 0.79 2.000 50.80 .062 1.57 2
37、.250 57.15 .531 13.49 2.500 63.50 .625 15.88 2.750 69.85 .750 19.05 3.000 75.20 .875 22.23 3.250 82.55 1.031 26.19 3.500 88.90 1.188 30.18 3.750 95.25 1.344 34.14 4.250 107.95 1.562 39.67 4.750 114.30 1.750 44.45 5.250 133.35 Changes from previous issue. The margins of this specification are marked
38、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 notations. Bidders and contractors are cautioned to evaluate the requirements of this document based o
39、n the entire content irrespective of the marginal notations and relationship to the last previous issue. Referenced documents: In addition to MIL-PRF-19978, this document also references MIL-STD-202. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5910-2009-046)
40、DLA - CC Review activities: Navy - MC Air Force - 19, 99 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 http:/assist.daps.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
