DLA MIL-PRF-27 193 B-2008 TRANSFORMER POWER STEPDOWN《电源为+D1444的降压式变压器》.pdf

1、AMSC N/A FSC 5950 MIL-PRF-27/193B 18 July 2008 SUPERSEDING MIL-T-27/193A 15 May 1978 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 describ

2、ed 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-27/193B 2 INCHES MM INCHES MM .003

3、 .125 .150 .250 .275 .350 .475 .500 0.08 3.18 3.81 6.35 6.98 8.89 12.06 12.70 .525 .575 .625 .675 .700 .725 .775 .900 13.34 14.60 15.88 17.14 17.78 18.42 19.68 22.86 NOTES: 1.Dimensions are in inches. 2.Metric equivalents are given for general information only. 3. Unless otherwise specified, toleran

4、ce 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-27/193B 3 REQUIREMENTS: (When designations or colors in parentheses, i.e., (1-2)

5、 are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Primary voltage (1-9): 50 volts rms, 10 kilohertz. Primary current: .006 ampere rms. Primary power: .3 volt ampere. Secondary voltage: (2-8): 5 volts rms, .011 ampere rms. (3-6): 8.06 volts rms, .3 am

6、pere rms. Working voltage: 100 volts, maximum. DC resistance: (1-9): 10.6 ohms. (2-8): 1.5 ohms. (3-6): .52 ohm. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Epoxy. Weight: .5 ounce. Terminals: Pin type. Material: Type S w

7、ith tin, lead, or lead alloy coating, in accordance with A-A-59551. Height: .500 inch, minimum. Diameter: AWG 22 (.025 inch). Operating temperature range: see table I. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage (at sea level): 300 volts rm

8、s. Electrical characteristics: No load: With 50 volts rms and 10 kilohertz in (1-9): Current in (1-9): 10 milliamperes, maximum. Power in (1-9): .32 watt, maximum. Voltage across (8-2): 5 volts rms 1 percent. Voltage across (3-6): 8.06 volts rms 1 percent. Rated load: With 50 volts rms and 10 kilohe

9、rtz (1-9): Voltage across (8-3): 5 volts rms 10 percent. Voltage across (3-6): 8.06 volts rms 10 percent. Polarity: Additive with terminals 9 and 8, and 2 and 3 connected. Temperature rise: 20C with 50 volts rms, 10 kilohertz across (1-9) at specified ambient temperature. (see table I). Vibration (h

10、igh 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-27/193B 4 VERIFICATION: Qualification inspection: Not applicable for this specificati

11、on 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): M27/193-(dash number from Table I). TABLE I. Temperature characteristics. Dash no. Type designation Ambient temperature Temperature rise

12、 Operating temperature range 01 02 TF5S03ZZ TF5T03ZZ 110C 150C 20C 20C -55C to +130C -55C to +170C 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 Go

13、vernment 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 notations and relationship to the last previous issue. Referenced documents.

14、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 5950-2008-027) DLA - CC Review activities: Army AR, CR4, MI Navy AS, MC, OS, SH Air Force 19, 99 NOTE: The activities listed above wer

15、e 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-,-,-