1、AMSC N/A FSC 5910 INCH-POUND MIL-C-18312/3D 28 February 2013 SUPERSEDING MIL-C-18312/3C 27 August 2001 MILITARY SPECIFICATION SHEET CAPACITORS, FIXED, METALLIZED (PAPER-PLASTIC, OR PLASTIC FILM) DIELECTRIC, DIRECT CURRENT (HERMETICALLY SEALED IN METAL CASES), STYLE CH12 This specification sheet is a
2、pproved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-C-18312. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Se
3、e table I for additional dimensions. 4. Number 22 AWG wire for case diameters of .312 inch (7.92 mm) and under. Number 20 AWG wire for case diameters over .312 inch (7.92 mm). 5. Bracket wraparound is approximately 135 for case diameter of .400 inch (10.16 mm) and smaller, and 225 for case diameters
4、 greater than .400 inch (10.16 mm). FIGURE 1. Style CH12 capacitors. Inches mm .0625 1.57 .172 4.37 1.625 41.28 INACTIVE FOR NEW DESIGN, AFTER 8 JANUARY 1970. USE MIL-PRF-39022/8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-18312/3D 2 REQUIR
5、EMENTS: Dimensions: See figure 1 and table I. TABLE I. Characteristics. Part or Identifying Number (PIN) 1/ DC rated voltage (volts) Capacitance value (F) Circuit diagram Dimensions, nominal (inches) 2/ Superseded MIL-C-18312/3A dash numbers Capacitance tolerance L .062 D .031 H .062 G .062 E .031 F
6、 .005 10% 20% CH12A1NC104- 200 0.10 1 .844 .312 .312 .250 .188 .144 0201 0202 CH12A3NC104- 200 0.10 3 .781 .312 .312 .250 .188 .144 0203 0204 CH12A1NC224- 200 0.22 1 1.125 .312 .312 .250 .188 .144 0205 0206 CH12A3NC224- 200 0.22 3 1.062 .312 .312 .250 .188 .144 0207 0208 CH12A1NC474- 200 0.47 1 1.12
7、5 .400 .312 .250 .188 .144 0209 0210 CH12A3NC474- 200 0.47 3 1.062 .400 .312 .250 .188 .144 0211 0212 CH12A1NC105- 200 1.0 1 1.125 .562 .438 .500 .250 .156 0213 0214 CH12A3NC105- 200 1.0 3 1.062 .562 .438 .500 .250 .156 0215 0216 CH12A1NC155- 200 1.5 1 1.844 .562 .438 .500 .250 .156 0217 0218 CH12A3
8、NC155- 200 1.5 3 1.781 .562 .438 .500 .250 .156 0219 0220 CH12A1NC225- 200 2.2 1 1.844 .562 .438 .500 .250 .156 0221 0222 CH12A3NC225- 200 2.2 3 1.781 .562 .438 .500 .250 .156 0223 0224 CH12A1NC335- 200 3.3 1 1.875 .670 .438 .500 .250 .156 0225 0226 CH12A3NC335- 200 3.3 3 1.812 .670 .438 .500 .250 .
9、156 0227 0228 CH12A1NC475- 200 4.7 1 1.875 1.000 .438 .500 .250 .156 0229 0230 CH12A3NC475- 200 4.7 3 1.812 1.000 .438 .500 .250 .156 0231 0232 CH12A1NC685- 200 6.8 1 1.875 1.000 .438 .500 .250 .156 0233 0234 CH12A3NC685- 200 6.8 3 1.812 1.000 .438 .500 .250 .156 0235 0236 CH12A1NC106- 200 10.0 1 2.
10、375 1.000 .438 .500 .250 .156 0237 0238 CH12A3NC106- 200 10.0 3 2.312 1.000 .438 .500 .250 .156 0239 0240 CH12A1NC126- 200 12.0 1 2.625 1.000 .438 .500 .250 .156 0241 0242 CH12A3NC126- 200 12.0 3 2.562 1.000 .438 .500 .250 .156 0243 0244 CH12A1NE473- 400 0.047 1 1.125 .312 .312 .250 .188 .144 0245 0
11、246 CH12A3NE473- 400 0.047 3 1.062 .312 .312 .250 .188 .144 0247 0248 CH12A1NE104- 400 0.10 1 1.125 .400 .312 .250 .188 .144 0249 0250 CH12A3NE104- 400 0.10 3 1.062 .400 .312 .250 .188 .144 0251 0252 CH12A1NE224- 400 0.22 1 1.125 .562 .438 .500 .250 .156 0253 0254 CH12A3NE224- 400 0.22 3 1.062 .562
12、.438 .500 .250 .156 0255 0256 CH12A1NE474- 400 0.47 1 1.625 .562 .438 .500 .250 .156 0257 0258 CH12A3NE474- 400 0.47 3 1.562 .562 .438 .500 .250 .156 0259 0260 CH12A1NE105- 400 1.0 1 1.875 .750 .438 .500 .250 .156 0261 0262 CH12A3NE105- 400 1.0 3 1.812 .750 .438 .500 .250 .156 0263 0264 CH12A1NE225-
13、 400 2.2 1 2.125 1.000 .438 .500 .250 .156 0265 0266 CH12A3NE225- 400 2.2 3 2.062 1.000 .438 .500 .250 .156 0267 0268 CH12A1NE335- 400 3.3 1 2.625 1.000 .438 .500 .250 .156 0269 0270 CH12A3NE335- 400 3.3 3 2.562 1.000 .438 .500 .250 .156 0271 0272 CH12A1NF103- 600 0.01 1 .812 .312 .312 .250 .188 .14
14、4 0273 0274 CH12A3NF103- 600 0.01 3 .750 .312 .312 .250 .188 .144 0275 0276 CH12A1NF223- 600 0.022 1 .812 .312 .312 .250 .188 .144 0277 0278 CH12A3NF223- 600 0.022 3 .750 .312 .312 .250 .188 .144 0279 0280 CH12A1NF473- 600 0.047 1 1.125 .400 .312 .250 .188 .144 0281 0282 CH12A3NF473- 600 0.047 3 1.0
15、62 .400 .312 .250 .188 .144 0283 0284 See footnotes at end of table. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-18312/3D 3 TABLE I. Characteristics - Continued. PIN 1/ DC rated voltage (volts) Capacitance value (F) Circuit diagram Dimensio
16、ns, nominal (inches) 2/ Superseded MIL-C-18312/3A dash numbers Capacitance tolerance L .062 D .031 H .062 G .062 E .031 F .005 10% 20% CH12A1NF104- 600 0.10 1 1.125 .500 .438 .500 .250 .156 0285 0286 CH12A3NF104- 600 0.10 3 1.062 .500 .438 .500 .250 .156 0287 0288 CH12A1NF224- 600 0.22 1 1.375 .562
17、.438 .500 .250 .156 0289 0290 CH12A3NF224- 600 0.22 3 1.312 .562 .438 .500 .250 .156 0291 0292 CH12A1NF474- 600 0.47 1 1.625 .670 .438 .500 .250 .156 0293 0294 CH12A3NF474- 600 0.47 3 1.562 .670 .438 .500 .250 .156 0295 0296 CH12A1NF105- 600 1.0 1 1.844 1.000 .438 .500 .250 .156 0297 0298 CH12A3NF10
18、5- 600 1.0 3 1.781 1.000 .438 .500 .250 .156 0299 0300 CH12A1NF155- 600 1.5 1 1.875 1.000 .438 .500 .250 .156 0301 0302 CH12A3NF155- 600 1.5 3 1.812 1.000 .438 .500 .250 .156 0303 0304 CH12A1NF225- 600 2.2 1 2.625 1.000 .438 .500 .250 .156 0305 0306 CH12A3NF225- 600 2.2 3 2.562 1.000 .438 .500 .250
19、.156 0307 0308 1/ Complete PIN will include an additional symbol for capacitance tolerance. 2/ See table II for metric equivalents. TABLE II. Millimeter equivalents of decimal inches. Inches mm Inches mm Inches mm Inches mm .005 0.13 .438 11.13 1.062 26.97 1.875 47.63 .031 0.79 .500 12.70 1.125 28.5
20、8 2.062 52.37 .062 1.57 .562 14.27 1.312 33.32 2.125 53.98 .144 3.66 .670 17.02 1.375 34.93 2.312 58.72 .156 3.96 .750 19.05 1.562 39.67 2.375 60.33 .188 4.78 .781 19.84 1.625 41.28 2.562 65.07 .250 6.38 .812 20.62 1.781 45.24 2.625 66.68 .312 7.92 .844 21.44 1.812 46.02 .400 10.16 1.000 25.40 1.844
21、 46.84 Case material: Nonmagnetic (end seals may be of magnetic material). Capacitance value: See table I. Capacitance tolerance: See table I. DC rated voltage: See table I. Seal: Method 112 of MIL-STD-202, condition A. Liquid-filled capacitors: One hour at applicable high ambient temperature 3C wit
22、h no evidence of leakage. Dielectric withstanding voltage: Method 301 of MIL-STD-202. Terminal to terminal: 200 percent of rated dc voltage. Terminal to case (where case not a terminal): 200 percent of rated dc voltage. Capacitance: Method 305 of MIL-STD-202 (for value and tolerance see table I). Pr
23、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-18312/3D 4 Dissipation factor: At 25C: 1.0 percent. At high test temperature: 2.0 percent. Insulation resistance: Terminal to terminal: See table III. Terminal to case (case not a terminal): 10,000
24、megohms. Barometric pressure: Method 105 of MIL-STD-202. Test condition: .82 inches of mercury (80,000 ft). Vibration, low frequency: Method 204 of MIL-STD-202, condition B. Thermal shock: Method 107 of MIL-STD-202, condition A, except the high temperature shall be +125C. Immersion: Method 104 of MI
25、L-STD-202, condition C. Insulation resistance: Terminal to terminal: Not less than 1/3 the value specified in table III. Terminal to case (case not a terminal): 5,000 megohms, minimum. Dielectric withstanding voltage: Terminal to terminal: 150 percent of rated dc voltage. Terminal to case (case not
26、a terminal): 200 percent of rated dc voltage. Capacitance change: Not to exceed 10 percent of initial value. Dissipation factor: Not to exceed 110 percent of initial requirement. Solderability: Method 208 of MIL-STD-202. Terminal strength: Method 211 of MIL-STD-202, conditions A and D. Condition A:
27、Applied force 4 1/2 pounds. Condition D: 3 twists of 360 degrees. Low temperature and capacitance change with temperature. Conditions: 48 hours with rated voltage applied. Capacitance change: See table III. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
28、-,-,-MIL-C-18312/3D 5 Life: Qualification: Test voltage 140 percent of rated voltage, 1,000 hours at high ambient temperature. Conformance - 250 hours at conditions specified for 1,000-hour test. Dissipation factor: At high ambient test temperature (any time 24 to 48 hours from start of test): Not g
29、reater than 2.0 percent. At high ambient test temperature (any time during last 48 hours of test): Not greater than 2.5 percent. At +25C (after life test): Not greater than 1.25 percent. Capacitance: At +25C (after life test): Within 10 percent of initial value. Insulation resistance: At +25C (after
30、 life test). Terminal to terminal: Not less than 1/3 of value specified in table III. Terminal to case (case not a terminal): Not less than 5,000 megohms. Supersession information: See table I. TABLE III. Characteristic. Operating temperature range -55 to +125C DC voltage rating (volts) 200 400, 600
31、 High ambient test temperature +125C +125C Low ambient test temperature -55C -55 C Megohms x microfarads: At +25C 2,000 min 2,000 min At high ambient test temperature 10 min 40 min Insulation resistance (megohms): At +25C 1/ 12,000 12,000 At high ambient test temperature 1/ 150 600 Capacitance chang
32、e at low temperature -15% max -15% max Life test voltage (% rated voltage) 140 % 140 % 1/ Need not exceed. 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 an
33、d 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 relationship to the last previous issue. Referenced doc
34、uments. In addition to MIL-C-18312, this document references MIL-STD-202. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-18312/3D 6 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 DLA - CC (Project 5910-2013-003) Re
35、view activities: Army - AR Navy - AS, MC, OS 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 https:/assist.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
