1、AMSC N/A FSC 5950 MIL-PRF-27/50D 29 September 2009 SUPERSEDING MIL-PRF-27/50C 7 February 1984 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 3 VOLT AMPERES, 400 HZ This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquirin
2、g the transformers described herein shall consist of this specification and MIL-PRF-27. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Tolerance on terminal position dimensions is .015 (0.38 mm). 4. Marking shall be on the side of the case. 5. Te
3、rminals are color coded for permanent identification in addition to terminal marking shown. 6. Secondary electrical values shall be marked as specified in table I, as applicable. FIGURE 1. Dimensions and configuration. INCH-POUND .594 .031.594 .031 .138-32 UNC-2A.500 1 2543.500.2501115V400Hz2345“X“
4、VOLTAGE CT“X“ mA OR AMAX W. V. “X“ V MAX ALT 70,000 (SEE TABLE I FOR VALUE OF “X“CIRCUIT DIAGRAM AND MARKING.250.750.312 MAX. .344 0.31 .344 .0311.125 .031.312MAX. .234 DIA.MAX.112-40 UNC-2A 2-MTG. STUDSCONFIGURATION A CONFIGURATION B1 23451.000 .031 Inches mm .031 0.79 .112 2.84 .138 3.51 .234 5.94
5、 .250 6.35 .312 7.92 .344 8.74 .500 12.70 .594 15.09 .750 19.05 1.000 25.40 1.125 28.58 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/50D 2 REQUIREMENTS: (When numbers in parentheses such as (1-2) are used, they indicate the winding and
6、the extreme terminals of the winding.) Electrical ratings: See table I. Primary voltage (1-2): 115 volts 10 percent, 400 Hz 5 percent. Design and construction: Dimensions and configuration: See figure 1. Weight: 1.25 ounces, maximum. Duty cycle: Continuous. Case: Metal enclosed. Material: Steel. Alt
7、itude: 70,000 feet, maximum. Operating temperature range: -55C to +130C maximum. Terminals: Feed thru. Terminal height: .312 inch (7.92 mm), maximum. Terminal strength: Method 211 of MIL-STD-202, test condition A, 5 pounds. Dielectric withstanding voltage: At sea level: 2.8 times the maximum working
8、 voltage specified in table I. At reduced barometric pressure: 1.25 times the maximum working voltage specified in table I. Electrical characteristics: No load: With 115 volts, 400 Hz across (1-2): Current in (1-2) shall not exceed 3.0 mA rms. Rated load: With 115 volts, 400 Hz across (1-2) and a re
9、sistive load with current as specified in table I in (3-5), the voltage across (3-5) shall be as specified in table I. Efficiency: 75 percent minimum at rated load. Polarity: Additive with terminals 2 and 3 connected. Regulation: 100)()()(xloadratedVoltageloadratedVoltageloadnoVoltage Shall not exce
10、ed 18 percent. Phase shift: 1.0 electrical degree between primary and secondary voltage at rated load, maximum. Temperature rise: 20C, maximum with 115 volts, 400 Hz across (1-2) at ambient temperature of 110C. Vibration: MIL-STD-202, method 204, test condition D. Marking location: See figure 1. Pro
11、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/50D 3 VERIFICATION: Extent of qualification: Qualification testing and approval to M27/49-44 A or B, M27/51-44 A or B, M27/51-44 A or B, M27/53-44 A or B, M27/56-44 and M27/66-27 shall be suffic
12、ient to grant qualification approval to MIL-PRF-27/48 through MIL-PRF-27/66 inclusive, all parts. Qualification testing and approval to M27/50-44 shall be sufficient to grant qualification approval to M27/39-01 through M27/50-44. Part or Identifying Number (PIN), example: M 27/50-01 A or B MIL speci
13、fication Specification Dash Configuration A Configuration B item sheet no. no. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/50D 4 TABLE I. Electrical ratings. Dash number Secondary voltage(3-5) (V rms) 3% Secondary current (3-5) (amps r
14、ms)Working voltage (V rms max) 01 A or B 6 0.500 325 02 A or B 6.3 0.476 325 03 A or B 7 0.429 325 04 A or B 7.5 0.400 325 05 A or B 8 0.375 325 06 A or B 9 0.333 325 07 A or B 10 0.300 325 08 A or B 11 0.273 325 09 A or B 12 0.250 325 10 A or B 12.6 0.238 325 11 A or B 13 0.231 325 12 A or B 15 0.2
15、00 325 13 A or B 16 0.188 325 14 A or B 18 0.167 325 15 A or B 20 0.150 325 16 A or B 22 0.136 325 17 A or B 24 0.125 325 18 A or B 26 0.115 325 19 A or B 28 0.107 325 20 A or B 30 0.100 325 21 A or B 33 0.091 325 22 A or B 36 0.083 325 23 A or B 39 0.077 325 24 A or B 43 0.070 325 25 A or B 47 0.06
16、4 325 26 A or B 51 0.059 325 27 A or B 56 0.054 325 28 A or B 62 0.048 325 29 A or B 68 0.044 325 30 A or B 75 0.040 325 31 A or B 82 0.037 325 32 A or B 91 0.033 325 33 A or B 100 0.030 325 34 A or B 110 0.027 325 35 A or B 115 0.026 325 36 A or B 120 0.025 325 37 A or B 130 0.023 325 38 A or B 150
17、 0.020 325 39 A or B 180 0.017 325 40 A or B 200 0.015 440 41 A or B 220 0.014 440 42 A or B 240 0.013 440 43 A or B 270 0.011 580 44 A or B 300 0.010 580 Referenced documents. In addition to MIL-PRF-27, this document references the following: MIL-PRF-27/48 MIL-PRF-27/49 MIL-PRF-27/51 MIL-PRF-27/52
18、MIL-PRF-27/53 MIL-PRF-27/54 MIL-PRF-27/55 MIL-PRF-27/56 MIL-PRF-27/57 MIL-PRF-27/58 MIL-PRF-27/59 MIL-PRF-27/60 MIL-PRF-27/61 MIL-PRF-27/62 MIL-PRF-27/63 MIL-PRF-27/64 MIL-PRF-27/65 MIL-PRF-27/66 MIL-STD-202 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH
19、S-,-,-MIL-PRF-27/50D 5 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 these notat
20、ions. 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. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5950-2009-029
21、) Review activities: 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 this 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-,-,-
