1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/18E 25 September 2009 SUPERSEDING MIL-PRF-27/18D 25 April 1988 PERFORMANCE SPECIFICATION SHEET TRANSFORMER, POWER 5.76 VA, 60 HZ This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiri
2、ng the product described herein shall consist of this specification sheet and MIL-PRF-27. FIGURE 1. Dimensions and configuration. 115 V60 WORKINGVOLTAGE357 V MAX3 4 5 48 V CT 12A WORKINGVOLTAGE357 V MAXCIRCUIT DIAGRAM 126.06.500 .125 1.875 .010 .312 .750 1.50 MAX. 2.22+.00-.02 .25 1.25MAX.1.83MAX.2.
3、030 .0102.28.937 .005 .46 R 2.50.468 .005 .31.76MARKING (TOP) .250 MAX. .191.44 MAX. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/18E 2 Inches mm Inches mm .005 .010 .02 .06 .125 .16 .19 .25 .31 .312 .46 .468 .500 0.13 0.25 0.5 1.5 3.18
4、 4.1 4.8 6.4 7.9 7.92 11.7 11.89 12.70 .750 .76 .812 .937 1.25 1.44 1.50 1.83 1.875 2.030 2.22 2.28 2.50 19.05 19.3 20.62 23.80 31.8 36.6 38.1 46.5 47.63 51.56 56.4 57.9 63.5 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specifi
5、ed, tolerance is .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. NOTES. 1. D1, D2, D3, and D4 diodes are 1N5059. 2. C1 and C2 are 100 F at 250 V dc. 3
6、. RL1and RL2are 400 approximately. Adjust for 60 mA current. 4. Test circuit to be used when making rectified voltage measurements. FIGURE 2. Test configuration. 34WIRING DIAGRAM12 6 5+C1100 FC1100 F+RL1=60 mA-+RL2=60 mA-TEST CIRCUIT24V24V115 V rms60 HzD1D2D3D4Provided by IHSNot for ResaleNo reprodu
7、ction or networking permitted without license from IHS-,-,-MIL-PRF-27/18E 3 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 (1-2): 5.8 voltamperes, 115 volts rms, 60 Hz. Secon
8、dary voltage (3-5): 48 volts rms at rated load rectified. Working voltage: (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: .25 inch (6.
9、35 mm) maximum. Width: .125 .02 inch (3.18 0.51 mm). Weight: .50 pound, maximum. Operating temperature: -55C to +130C. Turns: Primary (1-2): 2,300 turns. Secondary (3-5): 1,100 turns. Ratio: 1:0.48. Terminal strength: Method 211 of MIL-STD-202, test condition A, 2 pounds. Dielectric withstanding vol
10、tage (each winding) at sea level: MIL-STD-202, method 301; test voltage 1,000 volts rms. Electrical characteristics: No load: With 115 V rms and 60 Hz across (1-2), current in (1-2) shall not exceed 25 milliamperes, and the power in (1-2) shall not exceed 1.0 watts. Voltage across (3-5) shall be 55
11、volts rms 2 percent. Rated load: With 115 volts rms, 60 Hz across (1-2), and the rated current, the voltage across (3-5) shall be 48 volts rms 3 percent, using rectified load shown on figure 2 (a .06 A dc, full wave bridge, capacitance filter). DC resistance: (1-2): 305 ohms maximum. (3-5): 56 ohms
12、maximum. Efficiency: 70 percent minimum at rated load. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/18E 4 Regulation: Voltage (no load) Voltage (rated load) X 100Voltage (rated load) Shall not exceed 21 percent. Polarity - Additive, wit
13、h terminals 2 and 3 connected. Electrostatic shielding: The voltage ratio shall be 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. Part or Identifying Number (PIN)
14、: M27/18-01. 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 whatsoever for any inaccuracies in these notations. Bidd
15、ers 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 document references the following: MIL-STD-202 Custodi
16、ans: Preparing activity: Army - CR DLA - CC Navy - EC Air force 85 (Project: 5950-2009-032) DLA CC Review activities: Army AR, CR4 Navy AS, 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 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-,-,-
