1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/312C 25 July 2008 SUPERSEDING MIL-PRF-27/312B 19 May 2003 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 5 VOLT-AMPERES, 60 HERTZ This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The complete requirem
2、ents for acquiring the transformer described herein shall consist of this specification and the latest issue of MIL-PRF-27. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Marking shall be on the sides of the case. 4. Unless otherwise specified th
3、e tolerance shall be .063 inch (1.60 mm). 5. Electrical values shall be marked as specified in table I, except DCR. FIGURE 1. Dimensions and configurations. INCHES MM .005 .016 .031 .062 .070 .375 .875 1.06 1.25 1.50 1.75 2.38 0.13 0.41 0.79 1.57 1.78 9.53 22.23 26.9 31.8 38.1 44.4 60.4 Provided by
4、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/312C 2 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Primary voltage (1-2): 115 volts ac, 60 h
5、ertz. Primary dc resistance: 86 ohms 25 percent. Secondary voltage (3-5): See table I. Volt-ampere rating: 5 volt-amperes. Working voltage (1-2): 535 volts peak. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Metal enclosed. Material: Steel. Termin
6、als: Solderable hook terminals. Terminal height: 0.375 0.063 inch. Terminal diameter: 0.062 0.005 inch. Weight: 1.0 pound, maximum. Operating temperature range: -55C to +130C. Altitude: 10,000 feet. Terminal strength: MIL-STD-202, method 211, test condition A, 2.0 pounds. Dielectric withstanding vol
7、tage (each winding) (at sea level): 1,500 volts rms. Electrical characteristics: Rated load: With 115 volts ac and 60 Hz across (1-2), and rated current in secondary, the voltage across (3-5) shall be as specified in table I. Regulation: Voltage (no load) - Voltage (rated load) x 100 Voltage (rated
8、load) Shall not exceed 12 percent. Polarity: Additive with terminals 2 and 3 connected. Temperature rise: 35C with 115 volts ac, 60 hertz across (1-2) at an ambient temperature of 95C, full load terminals (3-5). Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
9、m IHS-,-,-MIL-PRF-27/312C 3 Marking location: See figure 1. Part or Identification Number (PIN): M27/312-(dash number from table I). TABLE I. Electrical ratings. Secondary (3-5) Dash number Voltage (volts) 3 percent Current 1/ (amperes) DC resistance (ohms) 25 percent 01 02 03 04 05 06 07 08 09 10 1
10、1 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 5.0 6.3 8.0 10.0 12.6 14.0 16.0 18.0 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 90.0 100 110 123 138 1.00 0.79 0.67 0.50 0.39 0.36 0.34 0.28 0.25 0.22 0.20 0.18 0.16 0.14 0.13 0.12 0.10 0.09 0.08 0.071 0.067 0.055 0.050 0.045 0.040
11、 0.036 0.335 0.530 0.870 1.34 2.06 2.95 3.35 4.65 5.25 7.30 8.23 11.4 13.8 17.6 19.7 22.0 30.0 34.4 52.0 68.0 80.0 112 113 140 198 227 1/ For 50 Hz operation, reduce secondary current by 10 percent. VERIFICATION: Extent of Qualification: Qualification testing and approval to M27/312-26 or M27/316-30
12、 or M27/322-24 shall be sufficient to grant qualification approval to MIL-PRF-27/312 through MIL-PRF-27/322, inclusive, all parts. Qualification testing and approval to M27/312-26 shall be sufficient to grant qualification approval M27/312-01 through M27/312-26. Provided by IHSNot for ResaleNo repro
13、duction or networking permitted without license from IHS-,-,-MIL-PRF-27/312C 4 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
14、liability whatsoever for any inaccuracies in these 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-2
15、02 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5950-2008-039) DLA - CC Review activities: Army - CR4, MI 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 http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
