1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/19D 28 April 2008 SUPERSEDING MIL-PRF-27/19C 15 April 1987 PERFORMANCE SPECIFICATION SHEET TRANSFORMER, POWER 52 VA, 60 HZ This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the
2、 product described herein shall consist of this specification sheet and MIL-PRF-27. FIGURE 1. Dimensions and configuration. Inactive for New Design after 6 June 1997Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/19D 2 Inches mm Inches mm
3、.015 0.38 1.000 25.40 .06 1.5 1.125 28.58 .125 3.18 2.000 50.80 .19 4.8 2.38 60.5 .25 6.4 2.50 63.5 .380 9.65 2.812 71.42 .500 12.70 3.000 76.20 3.500 88.90 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .
4、02 (0.5 mm) for two place decimals. 4. Tolerance on terminal position dimensions is .062 (1.57 mm). 5. Marking shall be on the top of the case. FIGURE 1. Dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P
5、RF-27/19D 3 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): 58 voltamperes, 115 volts rms, 60 Hz. Secondary voltage (3-5): 52 volts rms CT, 1.0 ampere rms. Working voltag
6、e: (1-2) 357 volts rms maximum. (3 -5) 357 volts rms maximum. Design, configuration, and physical dimensions: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Epoxy. Terminals: Solder type. Height: .38 inch maximum. Weight: 3.5 pounds maximum. Operating temperature: -55C to +130C
7、Altitude: 10,000 feet, maximum. Terminal strength: Method 211 of MIL-STD-202, test condition A, 2 pounds. Dielectric withstanding voltage (each winding) at sea level: Method 301 of MIL-STD-202; test voltage 1,000 volts rms. Electrical characteristics: No load: With 115 V rms and 60 Hz across (1-2),
8、current in (1-2) shall not exceed 200 milliamperes, and the power in (1-2) shall not exceed 4.5 watts. Voltage across (3-5) shall be 555 volts rms 2 percent. Rated load: With 115 volts rms and 60 Hz across (1-2), and the rated current in secondary, voltage across (3-5) shall be 52 volts rms 3 percen
9、t. DC resistance: (1-2): 9.89 ohms maximum. (3-5): 1.43 ohms maximum. Efficiency: 90 percent at rated load. Regulation: Voltage (no load) Voltage (rated load) X 100 Voltage (rated load Shall not exceed 12 percent Polarity - Additive, with terminals 2 and 3 connected. Electrostatic shielding: The vol
10、tage ratio shall me a minimum of 5 to 1 at 20 kHz. Temperature rise: 40C with 115 volts rms, 60 Hz across (1-2) at an ambient temperature of 90C, full load terminals (3-5). Marking location: See figure 1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
11、-,-MIL-PRF-27/19D 4 Part or Identifying Number (PIN): M27/19-01. 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 liability what
12、soever 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. In addition to MIL-PRF-27, this do
13、cument references the following: MIL-STD-202 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air force 11 DLA - CC Review activities: Army AR, CR4 Navy AS, MC, OS, SH (Project: 5950-2008-003) 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 this 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-,-,-
