1、AMSC N/A FSC 5950 MIL-PRF-27/48D 29 September 2009 SUPERSEDING MIL-PRF-27/48C 7 February 1984 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 1.5 VOLT AMPERES, 400 HZ This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquir
2、ing 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.
3、Terminals 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 .50012543.500.2501115V400 Hz2345“X“ VOLTAGE CT“X“ mA OR AMAX W. V. “
4、X“ VMAX ALT 70,000(SEE TABLE I FOR VALUE OF “X“CIRCUIT DIAGRAM AND MARKING.250.750.312MAX.344 0.31 .344 .0311.125 .031.469 .031.312MAX.234 DIA.MAX.112-40 UNC-2A2-MTG. STUDSCONFIGURATION ACONFIGURATION B1 2345.138-32 UNC-2A.469 .0311.000 .031Inches mm .031 0.79 .112 2.84 .138 3.51 .234 5.94 .250 6.35
5、 .312 7.92 .344 8.74 .500 12.70 .750 19.05 .812 20.62 1.000 25.40 1.125 28.58 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/48D 2 REQUIREMENTS: (When numbers in parentheses such as (1-2) are used, they indicate the winding and the extrem
6、e 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 ounce, maximum. Duty cycle: Continuous. Case: Metal enclosed. Material: Steel. Altitude: 70,000
7、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. Diel ectric withstanding voltage: At sea level: 2.8 times the maximum working voltage spec
8、ified 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 1.5 mA rms. Rated load: With 115 volts, 400 Hz across (1-2) and a resistive load
9、with current as specified in table I in (3-5), the voltage across (3-5) shall be as specified in table I. Efficiency: 70 percent minimum at rated load. Polarity: Additive with terminals 2 and 3 connected. Regulation: 100)()()(xloadratedVoltageloadratedVoltageloadnoVoltage Shall not exceed 23 percent
10、 Phase shift: 1.0 electrical degree between primary and secondary voltage at rated load, maximum. Temperature rise: 17C, maximum with 115 volts, 400 Hz across (1-2) at ambient temperature of 113C. Vibration: MIL-STD-202, method 204, test condition D. Marking location: See figure 1. Provided by IHSN
11、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/48D 3 VERIFICATION: Extent of qualification: Qualification testing and approval to M27/49-44 A or B, M27/51-44 A or B, M27/53-44 A or B, M27/53-44 A or B, M27/56-44 and M27/66-27 shall be sufficient to grant
12、 qualification approval to MIL-PRF-27/48 through MIL-PRF-27/66 inclusive, all parts. Qualification testing and approval to M27/48-44 shall be sufficient to grant qualification approval to M27/48-01 through M27/48-44. Part or Identifying Number (PIN): M 27/48-01 A or B MIL specification Specification
13、 Dash Configuration A Configuration B item sheet no. no. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/48D 4 TABLE I. Electrical ratings. Dash number Secon dary voltage(3-5) (V rms) 3% Secondary current (3-5) (amps rms)Working voltage (V
14、 rms max) 01 A or B 6 0.250 325 02 A or B 6.3 0.238 325 03 A or B 7 0.214 325 04 A or B 7.5 0.200 325 05 A or B 8 0.188 325 06 A or B 9 0.167 325 07 A or B 10 0.150 325 08 A or B 11 0.136 325 09 A or B 12 0.125 325 10 A or B 12.6 0.119 325 11 A or B 13 0.115 325 12 A or B 15 0.100 325 13 A or B 16 0
15、094 325 14 A or B 18 0.083 325 15 A or B 20 0.075 325 16 A or B 22 0.068 325 17 A or B 24 0.063 325 18 A or B 26 0.058 325 19 A or B 28 0.053 325 20 A or B 30 0.050 325 21 A or B 33 0.045 325 22 A or B 36 0.042 325 23 A or B 39 0.038 325 24 A or B 43 0.035 325 25 A or B 47 0.032 325 26 A or B 51 0.
16、029 325 27 A or B 56 0.027 325 28 A or B 62 0.024 325 29 A or B 68 0.022 325 30 A or B 75 0.020 325 31 A or B 82 0.018 325 32 A or B 91 0.016 325 33 A or B 100 0.015 325 34 A or B 110 0.014 325 35 A or B 115 0.013 325 36 A or B 120 0.0125 325 37 A or B 130 0.0115 325 38 A or B 150 0.010 325 39 A or
17、B 180 0.0085 325 40 A or B 200 0.0075 440 41 A or B 220 0.007 440 42 A or B 240 0.006 440 43 A or B 270 0.0055 580 44 A or B 300 0.005 580 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/48D 5 Referenced documents. In addition to MIL-PRF-2
18、7, this document references the following: MIL-PRF-27/49 MIL-PRF-27/50 MIL-PRF-27/51 MIL-PRF-27/52 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-S
19、TD-202 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 notations. Bidders and contractors are cautioned t
20、o 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 5950-2009-026) Review activities: Army - CR4, MI Navy - AS
21、 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-,-,-
