1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/339E 21 June 2010 SUPERSEDING MIL-PRF-27/339D 22 January 1992 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 6 VOLTAMPERES, 400 HZ This specification is approved for use by all Departments and agencies of the Department of Defense. The complete requireme
2、nts for procuring the transformer described herein shall consist of this document and the latest issue of specification MIL-PRF-27. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Marking shall be on the top and sides of the case. 4. Dimensional t
3、olerance shall be .031 unless otherwise specified. 5. Dimensions G and H to be measured at top of transformer. FIGURE 1. Dimensions and configurations. Ltr Dimensions Inches mm G H J K L M 1.25 .015 1.19 .015 0.88 .015 0.94 .015 1.00 .015 .250 .031 31.8 0.38 30.2 0.38 22.4 0.38 23.9 0.38 25.4 0.38 6
4、.35 0.79 Inches mm .005 0.13 .010 0.25 .031 0.79 .062 .094 1.57 2.39 .116 2.95 .125 3.18.169 4.29.187 4.75 .250 6.35 .375 9.53 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/339E 2 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) a
5、re used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Primary voltage (1-2): 115 volts rms, 400 20 hertz. Secondary voltage and current (3-5): See table I. Volt-ampere: 6 voltamperes. Working voltage (1-2): 535 volts peak. Design and construction: Dimensio
6、ns and configuration: See figure 1. Duty cycle. Continuous. Case: Encapsulated. Material: Diallyl phthalate. Terminals: Turret type. Height: .169 inch. Weight: 15 pounds, maximum. Operating temperature range. -55 to +130C. Altitude: 70,000 feet. Terminal strength: MIL-STD-202, method 211, test condi
7、tion A, 2 pounds. Dielectric withstanding voltage (each winding): At sea level: 1500 volts rms. At reduced barometric pressure: 1.25 times the peak working voltage specified. Electrical characteristics: Rated load: With 115 volts rms and 400 Hz in (1-2), and rated current in secondary, the voltage a
8、cross (3-5) shall be as specified in table I. DC resistance: (1-2): 61 ohms 25 percent. (3-5): See table I. Temperature rise: 45C with 115 volts rms, 400 hertz across (1-2) at an ambient temperature of 85C, full load terminals (3-5). Provided by IHSNot for ResaleNo reproduction or networking permitt
9、ed without license from IHS-,-,-MIL-PRF-27/339E 3 Regulation: 100)()()(xloadratedVoltageloadratedVoltageloadnoVoltage Shall not exceed 10 percent. Polarity: Additive with terminals 2 and 3 connected. Marking location: See figure 1. Part or Identifying Number (PIN): M27/339-(dash number from table I)
10、. TABLE I. Electrical ratings. Dash number M27/339 Secondary voltage (3-5) (V rms) 5% (CT) Secondary current (3-5) (amperes) Secondary DCR (3-5) (ohms) 25% -01 5.0 1.2 173 -02 6.3 .95 24-03 8.0 .75 396 -04 10.0 .60 587-05 12.6 .475 99 -06 14.0 .428 1.11-07 16.0 .375 1.58 -08 18.0 .333 2.21-09 -10 -1
11、1 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24 -25 -26 -27 -28 -29 -30 -31 -32 20.0 22.0 25.0 28.0 31.0 35.0 39.0 43.0 48.0 55.0 63.0 70.0 80.0 90.0 100.0 110.0 123.0 138.0 157.0 175.0 200.0 220.0 26.0 115.0 .300 .273 .240 .214 .192 .171 .154 .139 .125 .109 .095 .085 .075 .067 .060 .054 .048
12、.043 .038 .034 .030 .027 .231 .052 2.78 2.8 3.6 4.2 5.71 6.89 9.39 10.25 15.30 17.30 24.9 27.1 39.0 41.0 59.5 68.5 96.0 133.0 153.0 168.0 248.0 278.0 3.74 65.10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/339E 4 VERIFICATION: Extent of
13、 qualification: Qualification testing and approval to M27/338-28 and M27/343-32 shall be sufficient to grant qualification approval to MIL-PRF-27/338 through MIL-PRF-27/343 inclusive, all parts. Qualification testing and approval to M27/339-32 shall be sufficient to grant qualification approval to M
14、27/339-01 through M27/339-32. 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 thes
15、e 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. MIL-PRF-27 MIL-STD-202 Custodians: Preparing activity: Army - CR DLA
16、- CC Navy - EC Air force 85 DLA - CC Review activities: (Project 5950-2009-060) Army AR, CR4 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-,-,-
