1、AMSC N/A FSC 5950 MIL-T-27/89B 28 April 2008 SUPERSEDING MIL-T-27/89A 2 May 1977 DETAIL SPECIFICATION SHEET TRANSFORMERS AND INDUCTORS (AUDIO, POWER, AND HIGH-POWER PULSE), INDUCTOR, POWER This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requ
2、irements for acquiring the products described herein shall consist of this specification and MIL-PRF-27. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Tolerance on terminal angular position dimensions is 5. 4. Marking shall be on the side of the
3、 case. FIGURE 1. Dimensions and configuration. INCH-POUND INCHES MM .002 .005 .010 .170 .250 .940 1.19 1.35 .05 .13 .25 4.32 6.35 23.88 30.2 34.3 Inactive for New Design after 14 February 1997 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-27/
4、89B 2 REQUIREMENTS: (When numbers in parentheses, i.e. (1.-3) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Inductance: (1-2): 450 50 H. (3-4): 450 50 H. Voltage: (1-2): 0.565 volt rms, 400 hertz. (3-4): 0.565 volt rms, 400 hertz. Current: (1-2):
5、0.5 ampere rms. (3-4): 0.5 ampere rms. DC resistance: (1-2): 0.2 ohm maximum. (3-4): 0.2 ohm maximum. Working voltage: 178 volts maximum. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Epoxy. Terminals: Solder, turret type,
6、USEC part number 2011A-5.5 or equal. Terminal length: 0.250 0.010 inch. Weight: 75 grams maximum. Operating temperature range: -55C to +155C. Terminal strength: MIL-STD-202, method 211, test condition A, 5 pounds. Dielectric withstanding voltage (at sea level): 500 volts rms. Electrical characterist
7、ics: Inductance: With 0.565 volt rms, 400 Hz across applied to (1-2) or (3-4) the inductance shall be 450 50 H. DC resistance at 20C: 0.2 ohm across (1-2) or (3-4). Self resonant frequency: 700 kHz minimum. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
8、MIL-T-27/89B 3 VERIFICATION: Qualification 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): M27/89-01. Changes from previous issue. T
9、he 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. Bidders and contractors are cautioned to evalua
10、te 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 Custodians: Preparing activity: Army CR DLA CC Nav
11、y EC Air Force 11 (Project 5950-2008-017) 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-,-,-
