DLA MIL-PRF-27 289 B-2011 TRANSFORMERS AND INDUCTORS (AUDIO POWER AND HIGH-POWER PULSE) INDUCTORS POWER.pdf

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1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/289B 22 April 2011 SUPERSEDING MIL-PRF-27/289A 17 May 1990 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE) INDUCTORS, POWER This specification is approved for use by all Depart- ments and Agencies of the Departmen

2、t of Defense. The complete requirements for procuring the transformer described herein shall consist of this document and the latest issue of specification MIL-PRF-27. FIGURE 1. Dimensions and configurations. .08 .015.07 .005.15 .010.30 .010.28 .015.250 .030 .80 .0101.37 .030.08 .015.40 .010.50 .010

3、 .81 .063 2314.07 .005 .15 .010.30 .010.28 .015 .25 .030SINGLE WINDINGA DOUBLE WINDINGB.80 .0101.37 .030.75 .063Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/289B 2 WV 357V (SEE TABLE I FOR VALUES OF “X”) CIRCUIT DISGRAM AND MARKING INCH

4、ES MM INCHES MM .005 .010 .015 .030 .063 .073 .082 .156 .250 0.13 0.25 0.38 0.76 1.60 1.85 2.08 3.96 6.35 .281 .300 .400 .500 .750 .800 .813 1.375 7.14 7.62 10.16 12.70 19.05 20.32 20.65 31.92 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Markin

5、g shall be on the side and on top. 4. Electrical values shall be marked as specified in table I, as applicable. 5. Circuit diagram BB, for series connection join terminals 2 and 3 for parallel connection join terminals 1 and 2, 3 and 4. FIGURE 1. Dimensions and configurations Continued. 1 2 “X“ uH “

6、X“ 1324“X“ uH“X“ BAProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/289B 3 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: See table

7、I. TABLE I. Electrical ratings. Dash no. 1/ Inductance (h) +15 percent -5 percent 2/ 3/ DC current (A) max 2/ 4/ DC resistance (ohms) max 2/ Working voltage (peak) volts 5/ PIN arrangement (see figure 1)Circuit Diagram (see figure 1) Voltage 01 10,000 1.1 2.1 357 A AA 1 volt at 10 kHz 02 6,400 1.35

8、1.4 357 A AA 1 volt at 10 kHz 03 2,500 2.2 .55 357 A AA 1 volt at 10 kHz 04 1,600 2.8 .34 357 A AA 1 volt at 10 kHz 05 1,000 3.5 .21 357 A AA 1 volt at 10 kHz 06 640 160 4.5 9 .13 .033 357 B BB 1 volt at 10 kHz 07 400 100 7.5 10.8 .088 .022 357 B BB 1 volt at 10 kHz 08 240 60 6.8 13.6 .056 .014 357

9、B BB 1 volt at 10 kHz 1/ Qualification test and approval to M27/289-01, shall be sufficient to grant qualification approval to M27/288-02 through -08. 2/ Where electrical values are written one above the other they indicate the values from series or parallel connections respectively parallelseries)(

10、. 3/ The inductance is measured with 0 A dc applied at the specified voltage and frequency. 4/ At rated dc current, inductance will exceed 80 of rated inductance. 5/ Between windings, 50 volts peak. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Ep

11、oxy. Terminals: Printed circuit (tinned brass). Weight: .3 ounces. Altitude: 75,000 feet. Operating temperature range: -55C to +130C. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/289B 4 Terminal strength: MIL-STD-202, method 211, test c

12、ondition A, 2 pounds. Dielectric withstanding voltage: At sea level: 1,000 Vrms. At reduce barometric pressure: 500 Vrms. Vibration (high frequency): MIL-STD-202, method 204. Temperature rise: +45C with 1 volt rms, 10 kHz, current as specified in table I at an ambient temperature of +85C maximum. Ma

13、rking location: See figure 1. Part or Identification Number (PIN): M27/289-(dash number from table I). 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 th

14、e 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 documen

15、ts. MIL-PRF-27 MIL-STD-202 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5950-2009-056) DLA - CC Review activities: Army - AR, MI 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.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-

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