1、AMSC N/A FSC 5950 MIL-PRF-27/69C 28 April 2008 SUPERSEDING MIL-PRF-27/69B 2 June 2003 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, AUDIO FREQUENCY This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the products descr
2、ibed herein shall consist of this specification and MIL-PRF-27. FIGURE 1. Dimensions and configuration. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/69C 2 Inches mm Inches mm .005 .016 .020 .030 .062 .094 .109 0.13 0.41 0.51
3、0.76 1.57 2.39 2.77 .125 .200 .400 .500 .710 .800 .925 3.18 5.08 10.16 12.70 18.03 20.32 23.50 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerance is .016 (0.41 mm). 4. Marking shall be on sides and/or top of case
4、. 5. Electrical values shall be marked as specified in table I, as applicable. FIGURE 1. Dimensions and configuration Continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/69C 3 REQUIREMENTS: (When numbers in parentheses, i.e., (1.-3)
5、 are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: See table I. Power level: 500 milliwatts maximum at 200 hertz. Working voltage: 175 volts. Frequency range: 200 hertz to 20 kilohertz. TABLE I. Electrical ratings. 1/ Dash number Circuit diagram (see
6、figure 1) Primary impedance ohms (1-3) Secondary impedance ohms (4-6) Primary DCR ohms 25% Secondary DCR ohm 25% Primary unbalanced DC current max (mA) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 A A A A B A B A B A A B B B A 25k CT 10k CT 10k CT 10k CT 10k CT 4,000 CT 1,500 CT 1 k CT 1 k CT 600 CT
7、 600 CT 600 CT 600 CT 600 CT 250 CT 1,000 CT 10 k CT 1,500 CT 600 CT 4 10 k CT 15 600 CT 4 25 k CT 600 CT 60 15 4 600 CT 2,700 1,100 1,100 1,100 1,100 440 170 105 105 65 65 65 65 65 30 150 1,200 180 75 0.5 1,200 1.8 75 0.5 3,700 75 7 2 0.5 75 0 1.0 1.0 1.0 1.0 1.5 2.5 3.0 3.0 4.0 4.0 2.0 2.0 2.0 2.0
8、 1/ Qualification testing and approval to M27/69-01 shall be sufficient to grant qualification approval to M27/69-02 through M27/69-15, inclusive. Qualification by similarity can be obtained for MIL-PRF -27/67, /68, /70, /71, and /72 by the submission of two samples each, (of dash number 01 for MIL-
9、PRF-27/67, /68, /70, /71, and /72) which shall be subject to group A, subgroup II tests, with zero defects allowed. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Plastic. Terminals: Pin (printed circuit). Material: Nickel i
10、ron alloy, tin plated. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/69C 4 Diameter: .030 .005 inch. Length: .500 .030 inch. Weight: 26.93 grams maximum. Altitude: 70,000 feet, maximum. Operating temperature range: -55C to +130C. Termina
11、l strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage: At sea level: 500 volts rms. At barometric pressure: 300 volts rms. Electrical characteristics: See table II. Frequency response. Reference frequency: 1 kilohertz. Polarity: Additive, with terminals 3 a
12、nd 4 connected. TABLE II. Electrical characteristics. Frequency response at 200 Hz to 20 kHz 1 dB Dash number Zs(1-3) ohms ZL (4-6) ohms EL volts Primary dc current (1-3) mA 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 25 k 10 k 10 k 10 k 10 k 4,000 1,500 1 k 1 k 600 600 600 600 600 250 1,000 10 k 1
13、,500 600 4 10 k 15 600 4 25 k 600 60 15 4 600 3.0 8.0 8.0 8.0 8.0 5.0 3.0 3.0 3.0 2.0 2.0 2.0 2.0 2.0 2.0 0 0.5 0.5 0.5 0.5 0.75 1.25 1.5 1.5 2.0 2.0 2.0 2.0 2.0 3.5 Marking location: See figure 1. Part or Identifying Number (PIN): M27/69- (dash number from table I). Provided by IHSNot for ResaleNo
14、reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/69C 5 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
15、 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 M
16、IL-PRF-27, this document references the following: MIL-STD-202 MIL-PRF-27/67 MIL-PRF-27/68 MIL-PRF-27/70 MIL-PRF-27/71 MIL-PRF-27/72 Custodians: Preparing activity: Army CR DLA CC Navy EC Air Force 11 (Project 5950-2008-011) DLA - CC Review activities: Army AR, CR4, MI Navy AS, MC, OS, SH Air Force
17、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-,-,-
