1、AMSC N/A FSC 5950 MIL-PRF-27/192A 18 July 2008 SUPERSEDING MIL-T-27/192 18 October 1977 PERFORMANCE SPECIFICATION SHEET TRANSFORMER, POWER, STEPDOWN This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the products desc
2、ribed herein shall consist of this specification and MIL-PRF-27. FIGURE 1. Dimensions and configurations. INCH-POUNDInactive for new design after 14 February 1997 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/192A 2 INCHES MM INCHES MM .
3、086 .100 .175 .300 .350 .400 .425 .525 .550 2.18 2.54 4.44 7.62 8.89 10.16 10.80 13.34 13.97 .700 .750 .800 .875 .950 .975 1.100 1.125 1.390 17.78 19.05 20.32 22.22 24.13 24.76 27.94 28.58 35.31 NOTES: 1.Dimensions are in inches. 2.Metric equivalents are given for general information only. 3. Unless
4、 otherwise specified, tolerance is .005 (.13 mm). 4.Marking shall be on the top of the case. FIGURE 1. Dimensions and configuration Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/192A 3 REQUIREMENTS: (When designations or color
5、s in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Primary voltage (5-6): 60 volts rms, 7.7 kilohertz. Primary current: .5 ampere rms. Primary power: 30 volt ampere. Secondary voltage: (1-3): 8.6 volts rms, 300 milliampere
6、s rms. (7-9): 8.6 volts rms, 6 milliamperes rms. Working voltage: 175 volts, maximum. DC resistance: (1-3): .043 ohm. (7-9): .09 ohm. (5-6): .49 ohm. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Epoxy. Weight: 3 ounces. Te
7、rminals: Pin type. Material: Type S with tin, lead, or lead alloy coating, in accordance with A-A-59551. Height: .350 inch, minimum. Diameter: AWG 20 (.032 inch). Operating temperature range: -55C to +130C. Terminal strength: MIL-STD-202, method 211, test condition A, 5 pounds. Dielectric withstandi
8、ng voltage (at sea level): 1,000 volts rms. Electrical characteristics: No load: With 60 volts rms and 7.7 kilohertz in (5-6): Current in (5-6): 22 milliamperes, maximum. Power in (5-6): 1.2 watts, maximum. Voltage across (5-6): 60 volts rms. Voltage across (1-3): 8 volts rms 1 percent. Voltage acro
9、ss (7-9): 8 volts rms 1 percent. Rated load: With 60 volts rms and 7.7 kilohertz (5-6): Voltage across (1-3): 8.6 volts rms 5 percent. Voltage across (7-9): 8.6 volts rms 5 percent. Polarity: Additive with terminals 1 and 9 connected. Temperature rise: 40C with 60 volts rms, 7.7 kilohertz across (5-
10、6) at an ambient temperature of +125C Vibration, high frequency: MIL-STD-202, method 204. Shock (specified pulse): MIL-STD-202, method 213, test condition A. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/192A 4 VERIFICATION: Qualificatio
11、n inspection: Not applicable for this specification sheet. Quality conformance inspection: Groups A and B tests of MIL-PRF-27 shall be applicable. Marking location: See figure 1. Part or Identifying Number (PIN): M27/192-01. Changes from previous issue. The margins of this specification are marked w
12、ith 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 requirements of this document based on
13、 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 A-A-59551 Custodians: Preparing activity: Army CR DLA CC Navy EC Air Force 85 (Project 5950-200
14、8-026) DLA - CC Review activities: Army AR, CR4, MI 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-,-,-
