1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/337E 25 July 2008 SUPERSEDING MIL-PRF-27/337D 22 January 1992 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 150 AND 200 VOLTAMPERES, 400 HZ This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The comple
2、te requirements 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. 3. Marking shall be on top and sides of case. 4. Dimensional to
3、lerance shall be .02 unless otherwise specified. 5. For series output, connect terminals 4 and 5 together. For parallel output, connect pins 3 to 4 and 5 to 6. FIGURE 1. Dimensions and configuration. Inches mm A 2.81 .02 71.4 .5 B 2.12 .02 53.8 .5 C 2.43 .02 61.7 .5 D 2.21 .02 56.1 .5 E 1.52 .02 38.
4、6 .5 F 0.30 .04 7.6 1.0 H 2.23 .04 56.6 1.0 J 0.40 .04 10.2 1.0 K .164-32 UNC 2B Inches mm .02 0.5 .09 1.3 .30 7.6 .40 10.2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/337E 2 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are
5、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 (3-6): See table I. Voltampere: See table I. Working voltage (1-2): 535 volts peak. Design and construction: Dimensions and
6、 configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Epoxy fiberglass or diallyl phthalate. Terminals: Turret type. Height: .300 inch, maximum. Weight: 2 pounds, maximum (PINs -01 through -10) and 2.2 pounds, maximum (PINs -11 through -19). Operating temperature range:
7、 -55C to +130C. Altitude: 70,000 feet. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage (each winding, secondary windings connected in series): At sea level: 1500 volts rms. At reduced barometric pressure: 1.25 times the peak working voltage spe
8、cified. Electrical characteristics: Rated load: With 115 volts rms and 400 Hz in (1-2), and rated current in secondary, the voltage across (3-6) shall be as specified in table I, 5 percent. Efficiency: 90 percent minimum at rated load. Temperature rise: 45C with 115 volts rms, 400 hertz across (1-2)
9、 at an ambient temperature of 85C, full load terminals (3-6), for PINs -01 through -10. Temperature rise: 45C with 115 volts rms, 400 hertz across (1-2) at an ambient temperature of 70C, full load terminals (3-6), for PINs -11 through -19. Provided by IHSNot for ResaleNo reproduction or networking p
10、ermitted without license from IHS-,-,-MIL-PRF-27/337E 3 Regulation: 100)()()(xloadratedVoltageloadratedVoltageloadnoVoltage Shall not exceed 10 percent. Polarity: Additive, with terminals 2 and 3, and 5 and 4 connected. Marking location: See figure 1. Part or Identifying Number (PIN). M27/337-(dash
11、number from table I). VERIFICATION: Extent of qualification: Qualification testing and approval to M27/332-10 and M27/337-19 shall be sufficient to grant qualification approval to MIL-PRF-27/332 through MIL-PRF-27/337 inclusive, all parts. Qualification testing and approval to M27/337-19 shall be su
12、fficient to grant qualification approval to M27/337-01 through M27/337-19. TABLE I. Electrical ratings. Secondary voltage (3-6) (V rms) 5% Secondary current (3-6) (amperes) Dash number M27/337 Series (CT) Parallel Series Parallel Volt- ampere rating -01 -02 -03 -04 -05 -06 -07 -08 -09 -10 -11 -12 -1
13、3 -14 -15 -16 -17 -18 -19 10 12.6 16 20 24 34 40 56 88 120 12.6 16 20 24 34 40 56 88 120 5 6.3 8 10 12 17 20 28 44 60 6.3 8 10 12 17 20 28 44 60 15 11.9 9.37 7.50 6.25 4.41 3.75 2.68 1.70 1.25 15.85 12.50 10 8.35 5.90 5 3.57 2.27 1.66 30 23.8 18.7 15 12.5 8.82 7.50 5.36 3.40 2.50 31.70 25 20 16.70 1
14、1.80 10 7.14 4.54 3.53 150 150 150 150 150 150 150 150 150 150 200 200 200 200 200 200 200 200 200 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/337E 4 Changes from previous issue. The margins of this specification are marked with vertic
15、al 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 on the entir
16、e 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 - CC Navy - EC Air Force - 85 (Project 5950-2008-052) DLA - CC Review activities: Army AR, CR4 Navy - AS, MC, OS Ai
17、r 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-,-,-
