DLA MIL-PRF-27 300 D-2010 TRANSFORMERS POWER STEPDOWN.pdf

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1、AMSC N/A FSC 5950 MIL-PRF-27/300D 21 June 2010 SUPERSEDING MIL-PRF-27/300C 17 May 1990 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, POWER, STEPDOWN This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the product descr

2、ibed herein shall consist of this specification sheet and MIL-PRF-27. FIGURE 1. Dimensions and configurations. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/300D 2 Dash number Case style A B C D E F G H I J K L M -01 2 1.812 1

3、.938 2.438 1.250 1.124 .063 .376 .688 1.000 N/A 1.375 N/A N/A -02 1 2.375 2.750 2.812 1.750 1.750 N/A .500 .874 1.250 1.624 2.125 .874 1.250 -03 1 3.062 3.562 3.875 2.125 2.094 .156 .750 1.125 1.500 1.875 2.625 .844 1.781 -04 2 2.062 2.312 2.500 1.438 1.438 N/A .469 .844 1.219 N/A 1.688 N/A N/A -05

4、1 2.625 3.062 3.188 1.859 1.984 .062 .586 .961 1.336 1.711 2.297 .961 1.336 -06 1 3.375 3.938 4.312 2.438 2.563 .156 .938 1.312 1.688 2.062 3.000 1.031 1.969 -07 2 2.062 2.312 2.500 1.438 1.438 N/A .469 .844 1.219 N/A 1.688 N/A N/A -08 1 2.375 2.750 2.812 1.750 1.750 N/A .500 .874 1.250 1.624 2.125

5、.874 1.250 -09 1 3.062 3.562 3.875 2.125 2.438 .156 .750 1.124 1.500 1.874 2.625 1.124 1.500 -10 1 3.375 3.938 4.312 2.438 2.594 .156 .938 1.312 1.688 2.062 3.000 1.188 1.812 FIGURE 1. Dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted wit

6、hout license from IHS-,-,-MIL-PRF-27/300D 3 Dash number M27/300 S N P Q (see note 6) -01 .138-32 UNC-2A .460 .375 18 AWG -02 .138-32 UNC-2A .460 .375 18 AWG -03 .164-32 UNC-2A (see note 7) .375 (see note 7) -04 .138-32 UNC-2A .460 .375 18 AWG -05 .164-32 UNC-2A .460 .375 18 AWG -06 .190-32 UNF-2A .4

7、60 (see note 7) .500 16 AWG -07 .138-32 UNC-2A .460 .375 18 AWG -08 .138-32 UNC-2A .460 .375 18 AWG -09 .164-32 UNC-2A .460 .375 18 AWG -10 .190-32 UNF-2A .460 (see note 8) .500 18 AWG NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Tolerance on t

8、erminal position dimensions is .125 (3.18 mm). 4. Unless otherwise specified, tolerance on case dimensions is .000, -.125 (+.00, -.3.18 mm). 5. Electrical values shall be marked as specified in table II. 6. Solder lug wire size. 7. Terminals 5 and 6 are 1.250 +.00, -.625 inches in height and .625 .0

9、62 inch in diameter; terminals 1, 2, 3, and 4 are .469 .062 inch in height and .312 .062 inch in diameter. 8. Terminals 5 and 6 are .719 +.00, -.125 inch. FIGURE 1. Dimensions and configurations - Continued. Inches mm Inches mm Inches mm .062 .063 .138 .156 .164 .190 .219 .250 .312 .375 .376 .460 .4

10、69 .500 .586 .625 .688 .719 .750 .844 .874 .938 1.57 1.60 3.51 3.96 4.17 4.83 5.56 6.35 7.92 9.52 9.55 11.68 11.91 12.70 14.88 15.88 17.48 18.26 19.05 21.44 22.20 23.83 0.961 1.000 1.031 1.124 1.125 1.188 1.219 1.250 1.312 1.336 1.375 1.438 1.500 1.624 1.688 1.711 1.750 1.781 1.812 1.859 1.874 1.875

11、 24.41 25.40 26.19 28.55 28.58 30.18 30.96 31.75 33.32 33.93 34.92 36.53 38.10 41.25 42.88 43.46 44.45 45.24 46.02 47.22 47.60 47.62 1.938 1.969 1.984 2.062 2.094 2.125 2.297 2.312 2.375 2.438 2.500 2.562 2.563 2.594 2.625 2.750 2.812 3.000 3.062 3.188 3.375 3.875 3.938 4.312 49.23 50.01 50.39 52.37

12、 53.19 53.98 58.34 58.72 60.32 61.93 63.50 65.07 65.10 65.89 66.68 69.85 71.42 76.20 77.77 80.98 85.72 98.42 100.03 109.52 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/300D 4 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are u

13、sed, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Primary voltage, 60 Hz 10 percent. (1-2): 105 volts. (1-3): 115 volts. (1-4): 125 volts. Secondary voltage: See table I. Secondary current: See table I. Primary working voltage: See table I. Secondary worki

14、ng voltage: See table I. Design and construction: Dimensions and configurations: See figure 1. Duty cycle: Continuous. Case: Metal encased. Material: Steel. Terminals: Solder terminal Lundey #399E or equivalent. Height: See figure 1. Weight: See table I. Operating temperature range: -55C to +105C. D

15、ielectric withstanding voltage (at sea level): See table I. Electrical characteristics: No load: With 115 volts, 60 Hz across (1-3): Current in (1-3): See table I. Power in (1-3): See table I. Voltage across (5-6): See table I. Voltage across (1-2): 105 volts 1 percent. Provided by IHSNot for Resale

16、No reproduction or networking permitted without license from IHS-,-,-TABLE I. Electrical characteristics. 1/ Qualification testing and approval to M27/300-01 shall be sufficient to grant qualification approval to M27/300-01 through M27/300-10, inclusive. 1/ Dash number M27/300 Secondary voltage Seco

17、ndary current Primary working voltage (Max) Secondary working voltage (Max) Primary DWV Secondary DWV No load Rated load Weight Primary power (Max) Primary current (Max) Secondary Voltage (Max) Secondary current Secondary voltage 2 % Volts Amperes Volts Volts Volts Volts Watts Amperes Volts Amperes

18、Volts Pounds -01 -02 -03 -04 -05 -06 -07 -08 -09 -10 2.5 2.5 2.5 5.0 5.0 5.0 6.3 6.3 6.3 6.3 3 10 10 3 10 10 2 5 10 20 175 175 175 175 175 175 175 175 175 175 1000 1000 6300 1000 1000 6300 1000 1000 1000 1000 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 2500 2500 10000 2500 2500 10000 2500 2500

19、 2500 2500 0.85 1.60 3.60 1.40 2.90 5.70 1.40 2.00 5.50 5.50 .06 .12 .11 .11 .19 .25 .11 .15 .35 .50 2.90 2.85 2.95 5.86 5.50 5.60 7.37 6.98 6.87 6.72 3 10 10 3 10 10 2 5 10 20 2.5 2.5 2.5 5.0 5.0 5.0 6.3 6.3 6.3 6.3 1.312 2.375 4.750 1.750 4.000 7.500 1.750 2.750 5.000 8.000 5 MIL-PRF-27/300D Provi

20、ded by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/300D 6 Voltage across (1-4): 125 volts 1 percent. Rated load: With 115 volts, 60 Hz across (1-3), and the current specified in table I in (5-6), the voltage across (5-6) shall be as specified in t

21、able I. Electrostatic shielding: The voltage ratio shall be a minimum of 5 to 1 at 20 kHz. Polarity: Additive, with terminals 4 and 5 connected. Temperature rise: +40C maximum with 105 volts, 54 Hz across (1-2) at an ambient temperature of +65C. Marking location: See figure 1. Part or identifying nu

22、mber (PIN): M27/300-(dash number from table I). Supersession data: See table II. TABLE II. Supersession data. MIL-PRF-27/300 PIN Superseded PIN Former MS PIN M27/300-01 M27/104-01 MS90016-2 M27/300-02 M27/105-01 MS90017-2M27/300-03 M27/34-01 MS90024-2 M27/300-04 M27/106-01 MS90018-2M27/300-05 M27/12

23、-01 MS90019-2 M27/300-06 M27/110-01 MS90025-2M27/300-07 M27/35-01 MS90020-2 M27/300-08 M27/107-01 MS90021-2M27/300-09 M27/108-01 MS90022-2 M27/300-10 M27/109-01 MS90023-2Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the p

24、revious 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 marginal notati

25、ons and relationship to the last previous issue. Referenced documents. MIL-PRF-27 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/300D 7 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force 85 DLA - CC Review activities:

26、(Project 5950-2009-061) Army - AR, CR4, MI Navy AS, CG, MC,OS, SH 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-,-,-