DLA MIL-PRF-27 331 C-2009 TRANSFORMERS POWER 160 VA and 170 VA.pdf

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1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/331C 29 September 2009 SUPERSEDING MIL-PRF-27/331B 2 April 1984 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, 160 VA and 170 VA This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for a

2、cquiring the transformer described herein shall consist of this specification sheet and MIL-PRF-27. FIGURE 1. Dimensions and configurations. 6 2 1 3 4 5 1“X“ Vrms. PARALLEL“Y“ Vrms. SERIES“Z“ AMPERES PARALLEL“W“ AMPERES, SERIESSEE NOTE 5WORKING VOLTAGE 535 VOLTS PEAK CIRCUIT DIAGRAM AND MARKING .375

3、 .0633.938 +.000 -.125 3.000 .031 .875 .005 5.250+.000 -.188 .190-32 UNF-2A X .500 .063 (4 PLACES).070 .005 .062 .005 TERMINAL DIMENSIONS 2.438 .0163.375+.000-.1253 546115V rms50-60 Hz2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/331C 2

4、 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 shown on the figure. 4. Electrical values shall be marked as specified in table I. 5. For series output connect termina

5、ls 4 and 5 together. For parallel output connect pins 3 to 4 and 5 to 6. FIGURE 1. Dimensions and configurations - Continued. REQUIREMENTS: (When numbers in parentheses, such as (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Primary voltage (

6、1-2): 115 volts rms, 50 to 65 Hz. Primary dc resistance: 1.08 ohms 25 percent. Secondary: See table I. Volt-ampere: 160 VA (dash number 01). 170 VA (dash number 02 through 08). Working voltage: 535 volts peak. Design and construction: Dimensions and configuration: See figure 1. Duty cycle. Continuou

7、s. Case: Metal enclosed. Material: Steel. Terminals: Solderable hook terminals. Height: .375 .063 inch (9.53 1.60 mm). Diameter: .062 .005 inch (1.57 0.13 mm). Inches mm Inches mm .005 .031 .062 .063 .070 .125 .188 .1900.13 0.79 1.57 1.60 1.78 3.18 4.78 4.83.375 .500 .875 2.438 3.000 3.375 3.938 5.2

8、509.53 12.70 22.23 61.93 76.20 85.73 100.03 133.35Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/331C 3 Weight: 10.5 pounds, maximum. Operating temperature range. -55C to +130C. Altitude: 10,000 feet. Terminal strength: Method 211, MIL-ST

9、D-202, 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. Electrical characteristics: Rated load: With 115 volts rms and 60 Hz in (1-2), and rated current in secondary, secondary voltage shall

10、 be as specified in table I within 3 percent. Regulation: 100)()()(xloadratedVoltageloadratedVoltageloadnoVoltage Shall not exceed 10 percent. Polarity: Additive, with terminals 2 and 3 connected and 5 and 4 connected. Temperature rise: 40C with 115 volts rms, 60 hertz across (1-2) at an ambient tem

11、perature of 90C. Shock (specified pulse): MIL-STD-202, method 213, test condition G. Marking location: See figure 1. Part or Identification Number (PIN): M27/331-(dash number from table I). TABLE I. Electrical ratings. Dash number Secondary voltage (series) volts rms (3-6) Secondary current (series)

12、 amperes (3-6) Secondary voltage (parallel) volts rms (3-5) Secondary current (parallel) amperes (3-5) Secondary dc resistance each winding ohms 25% -01 -02 -03 -04 -05 -06 -07 -08 16.0 20.0 24.0 34.0 40.0 56.0 88.0 120.0 10.00 8.50 7.08 5.00 4.25 3.03 1.93 1.41 8.0 10.0 12.0 17.0 20.0 28.0 44.0 60.

13、0 20.00 17.00 14.16 10.00 8.50 6.06 3.86 2.82 0.0163 0.0256 0.039 0.088 0.13 0.196 0.53 0.92 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/331C 4 VERIFICATION: Extent of qualification: Qualification testing and approval to M27/326-10 and

14、 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 M27/331-08 shall be sufficient to grant qualification approval M27/331-01 through M27/331-08. Changes from previous issue. The margins

15、 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 to evaluate the req

16、uirements of 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-27/326 MIL-PRF-27/327 MIL-PRF-27/328 MIL-PRF-27/329 MIL-PRF-27/3

17、30 MIL-STD-202 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5950-2009-035) DLA - CC 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 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-,-,-