1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/38C 25 September 2009 SUPERSEDING MIL-PRF-27/38B 7 February 1984 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 1.5 VOLT AMPERES, 400 HZ, ELECTROSTATIC SHIELDED This specification is approved for use by all Depart- ments and Agencies of the Department of
2、 Defense. The requirements for acquiring the transformer described herein shall consist of this specification sheet 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 .005 (0.13 mm). 4. Mar
3、king shall be on the side of the case. 5. A white dot shall be marked on the side opposite the terminals, over terminal 1, in addition to the terminal marking shown. 6. Secondary electrical values shall be marked as specified in table I, as applicable. FIGURE 1. Dimensions and configurations 115 400
4、 CIRCUIT DIAGRAM AND MARKING12345SMAX W.V. , “X“V“MAX ALT 70 .000(SEE TABLE I FOR VALUE OF “X“).032 DIA .002 TYP .25.13.59MAX.032 DIA .002 TYP.25.13.59MAX.03.02CONFIGURATION A CONFIGURATION B1.09 MAX. .800 .600 .600.8001.09MAX.1.09 MAX.800.600.600.8001.09 MAX. 12 34561 2 3 4 5 6 .138-32 UNC-2BX .25
5、DEPTH MIN. .138-32 UNC-2BX .25 DEPTH MIN.“X“ VOLTAGE CT“X“ mA OR AInches mm .002 0.05 .02 0.5 .03 0.8 .032 .81 .13 3.31 .138 3.51 .25 6.4 .59 15.0 .600 15.24 .75 19.1 .800 20.32 1.09 27.2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/38C
6、 2 REQUIREMENTS: (When numbers in parentheses, such as (1-2) are used, they indicate the winding and 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 figur
7、e 1. Weight: 1.1 ounces, maximum. Duty cycle: Continuous. Case: Plastic encapsulated. Material: Plastic. Altitude: 70,000 feet, maximum. Operating temperature range: -55C to +130C. Terminals: Printed circuit pins - tinned brass. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds.
8、 Dielectric withstanding voltage: At sea level: 2.8 times the maximum working 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 rms, 400 Hz across (1-2): Current in (1-2) shal
9、l not exceed 3 mA rms. Rated load: With 115 volts, 400 Hz across (1-2) and a restrictive load 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. Electrostatic shielding: The voltage ratio shall be a
10、minimum of 5 to 1 at 20 kHz. Polarity: Additive with terminals 2 and 3 connected. Regulation: Voltage (no Load) - Voltage (rated load) x 100 Voltage (rated load) shall not exceed 18 percent. Phase shift: 1.0 electrical degree between primary and secondary voltage at rated load, maximum. Temperature
11、rise: 17C, maximum. Vibration: MIL-STD-202, method 204, test condition D. Marking location: See figure 1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/38C 3 VERIFICATION Extent of qualification Qualification testing and approval to M27/
12、37-44 A or B, M27/42-44 A or B, and M27/46-44 A or B shall be sufficient to grant qualification approval to MIL-PRF-27/37 through MIL-PRF-27/47 inclusive, all parts. Qualification testing and approval to M27/38-44 shall be sufficient to grant qualification approval to M27/38-01 through M27/38-44. Pa
13、rt or Identification Number (PIN): M27/38-01 A or B. M 27/38-01 A or B MIL specification 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-27/38C 4 TABLE I. Electrical rating
14、s. Dash No. Type designation Secondary voltage (3-5) (V rms) 3% Secondary current (3-5) (amps rms) Working voltage (V rms) (MAX) 01 A or B 02 A or B 03 A or B 04 A or B 05 A or B 06 A or B 07 A or B 08 A or B 09 A or B 10 A or B 11 A or B 12 A or B 13 A or B 14 A or B 15 A or B 16 A or B 17 A or B 1
15、8 A or B 19 A or B 20 A or B 21 A or B 22 A or B 23 A or B 24 A or B 25 A or B 26 A or B 27 A or B 28 A or B 29 A or B 30 A or B 31 A or B 32 A or B 33 A or B 34 A or B 35 A or B 36 A or B 37 A or B 38 A or B 39 A or B 40 A or B 41 A or B 42 A or B 43 A or B 44 A or B 444 445 446 447 448 449 450 451
16、 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 6 6.3 7 7.5 8 9 10 11 12 12.6 13 15 16 18 20 22 24 26 28 30 33 36 39 43 47 51 56 62 68 75 82 91 100 110 115 120 130 150 180 200 220 240 270 300 0.250 0.238
17、 0.214 0.200 0.188 0.167 0.150 0.136 0.125 0.119 0.115 0.100 0.094 0.083 0.075 0.068 0.063 0.058 0.053 0.050 0.045 0.042 0.038 0.035 0.032 0.029 0.027 0.024 0.022 0.020 0.018 0.016 0.015 0.014 0.013 0.0125 0.0115 0.010 0.0085 0.0075 0.007 0.006 0.0055 0.005 325 325 325 325 325 325 325 325 325 325 32
18、5 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 325 440 440 440 580 580 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/38C 5 Changes from previous issue. The margins of this sp
19、ecification 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 to evaluate the requirements o
20、f this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Referenced documents. In addition to MIL-PRF-27, this document references the following: MIL-PRF-27/37 MIL-PRF-27/39 MIL-PRF-27/40 MIL-PRF-27/41 MIL-PRF-27/42 MIL-PRF-27/43
21、 MIL-PRF-27/44 MIL-PRF-27/45 MIL-PRF-27/46 MIL-PRF-27/47 MIL-STD-202. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5950-2009-037) DLA - CC Review activities: Army - CR4, MI Navy - AS, MC, OS Air Force - 19, 99 NOTE: The activities listed above were interested
22、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-,-,-
