1、AMSC N/A FSC 5950 MIL-T-27/158C 12 July 2013 SUPERSEDING MIL-T-27/158B 8 June 2012 MILITARY SPECIFICATION SHEET TRANSFORMERS AND INDUCTORS (AUDIO, POWER, AND HIGH-POWER PULSE) TRANSFORMER, POWER, STEP-DOWN This specification is approved for use by all Depart- ments and Agencies of the Department of
2、Defense. The complete requirements for procuring the product described herein shall consist of this document and the latest issue of specification MIL-PRF-27. This document is inactive for new design INCH POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
3、 IHS-,-,-MIL-T-27/158C 2 Inches m .005 0.13 .030 0.76 .125 3.18 .157 3.99 .186 4.72 .375 9.52 .653 16.59 .850 21.591.406 35.71 1.690 42.931.781 45.24 2.125 53.982.187 55.55 2.312 58.72NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwis
4、e specified, tolerance on case dimensions is .016 inch (.41 mm). 4. Marking shall be on the side of the case. FIGURE 1. Dimensions and configurations - Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-27/158C 3 REQUIREMENTS: (When num
5、bers in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the windings.) Electrical ratings: Primary voltage (1-2-3): 105/115 volts, 380 Hz to 1,000 Hz. Primary current (1-3): 0.6 ampere rms, maximum. Voltamperes: 63. Secondary voltage (4-6): 6.3 volts ct. Sec
6、ondary current (4-6): 10 amperes rms, maximum. Working voltage (peak): (1-3): 535 volts. (4-6): 1,070 volts. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Epoxy. Terminals: Solder terminal, Zierick #70 or equivalent for ter
7、minals 1, 2, and 3. Zierick #105 or equivalent for terminals 4, 5, and 6. Terminal height: .312 Max. Weight: 454 grams, maximum. Operating temperature range: -55C to +130C. Terminal strength: MIL-STD-202, method 211, test condition A, 5 pounds and test condition D, 40 ounce-inches. Dielectric withst
8、anding voltage (at sea level): (1-3): 1,500 volts rms. (4-6): 2,500 volts rms. Electrical characteristics: No load: With 115 volts, 400 Hz across (1-3), current in (1-3) shall not exceed 300 mA and the power in (1-3) shall not exceed 6 watts. Voltage across (4-6): 6.51 volts ct, 3 percent. Rated loa
9、d: With 115 volts, 400 Hz across (1-3), the voltage across (4-6) shall be 6.3 volts ct, 3 percent. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-27/158C 4 DC resistance: (1-3): 3.0 ohms, maximum. (4-6): 0.085 ohm, maximum. Polarity: Additive,
10、 with terminals 3 and 6 connected. Temperature rise: 55C with 115 volts rms, 400 Hz across (1-3) at an ambient temperature of 75C. VERIFICATION: Qualification inspection: Not applicable for this specification sheet. Quality conformance inspection: Groups A and B tests of MIL-PRF-27 shall be applicab
11、le. Marking location: See figure 1. Part or Identifying Number (PIN): M27/158-01. 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
12、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 notations and relationship to the last previous issue. Referenced documents. In addition to MI
13、L-PRF-27, this document references the following: MIL-STD-202 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 DLA CC (Project 5950-2013-027) Review activities: Army CR4, MI Navy AS, MC, OS, SH Air Force - 19, 99 NOTE: The activities listed above were interested in this do
14、cument 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 https:/assist.dla.mil Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
