1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/328C 22 April 2011 SUPERSEDING MIL-PRF-27/328B 2 April 1984 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 30 VA, 60 HERTZ This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The complete requirements fo
2、r 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. Terminal identification shall be as sho
3、wn on the figure. 4. Electrical values shall be marked as specified in table I, except DCR. 5. For series output connect terminals 4 and 5 together. For parallel output connect pins 3 to 4 and 5 to 6. 6. The mounting surface can be painted. FIGURE 1. Dimensions and configurations. 134562+.000 - .125
4、 +.000- .125.070 .005 .062 .005 TERMINAL DIMENSION 354612115 V rms50-60 Hz“X“ Vrms. PARALLEL“Y“ Vrms. SERIES“Z“ AMPERES, PARALLEL “W“ AMPERES, SERIESSEE NOTE 5WORKING VOLTAGE 535 VOLTS PEAKCIRCUIT DIAGRAM AND MARKING.375 .0633.812+.000- .188138-32 UNC-2A X .375 = .063(4 PLACES).875 .016 2.750 2.125
5、016 72.375 1.750 .016 INCHES MM .005 .016 .062 .063 .070 .125 .138 .188 .375 .875 1.750 2.125 2.375 2.750 3.812 0.13 0.41 1.58 1.60 1.78 3.18 3.51 4.78 9.53 22.23 44.45 53.98 60.33 69.85 96.83 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-
6、27/328C 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 V rms, 50 to 65 hertz. Primary dc resistance: 6.55 ohms 25 percent. Secondary: See table I. Volt-ampere rati
7、ng: 30 volt-amperes. Working voltage: 535 volts peak. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Metal enclosed. Material: Steel. Terminals: Solderable hook terminals. Terminal height: 0.375 0.063 inch. Terminal diameter: 0.062 0.005 inch. Weig
8、ht: 3.3 pounds, 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 voltage (each winding, secondary winding shall be connected in parallel): At sea level: 1,500 volts rms. Elect
9、rical characteristics: Rated load: With 115 volts ac and 60 Hz across (1-2), and rated current in secondary, secondary voltage shall be as specified in table I within 3 percent. Regulation: Voltage (no load) - Voltage (rated load) x 100 Voltage (rated load) Shall not exceed 10 percent. Polarity: Add
10、itive with terminals 2 and 3 connected and 5 and 4 connected. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/328C 3 Temperature rise: 40C with 115 volts rms, 60 hertz across (1-2) at an ambient temperature of 90C, Marking location: See fi
11、gure 1. Part or Identification Number (PIN): M27/328-(dash number from table I). TABLE I. Electrical ratings. Dash number Secondary voltage (series) volts rms Secondary current (series) amperes (3-6) Secondary voltage (parallel) volts rms (3-5) Secondary current (parallel) amperes (3-5) Secondary dc
12、 resistance each winding ohms 25% 01 02 03 04 05 06 07 08 09 10 10.0 12.6 16.0 20.0 24.0 34.0 40.0 56.0 88.0 120.0 3.00 2.38 1.86 1.50 1.20 0.88 0.72 0.54 0.30 0.24 5.0 6.3 8.0 10.0 12.0 17.0 20.0 28.0 44.0 60.0 6.00 4.76 3.72 3.00 2.40 1.76 1.44 1.08 0.60 0.48 0.064 0.104 0.151 0.26 0.34 0.64 0.92
13、1.63 5.10 8.75 VERIFICATION: Extent of Qualification: Qualification testing and approval to M27/326-10 and M27/331-08 shall be sufficient to grant qualification approval to MIL-PRF-27/326 through MIL-PRF-27/331 inclusive, all parts. Qualification testing and approval to M27/328-10 shall be sufficien
14、t to grant qualification approval M27/328-01 through M27/328-10. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/328C 4 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes
15、 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 entire content irrespective of the marg
16、inal notations and relationship to the last previous issue. Referenced documents. MIL-PRF-27 MIL-PRF-27/326 MIL-PRF-27/327 MIL-PRF-27/329 MIL-PRF-27/330 MIL-PRF-27/331 MIL-STD-202 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5950-2009-052) DLA - CC Review acti
17、vities: 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 the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
