DLA MIL-PRF-27 103 E-2009 TRANSFORMER AUDIO FREQUENCY.pdf

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1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/103E 9 November 2009 SUPERSEDING MIL-PRF-27/103D 6 June 1994 PERFORMANCE SPECIFICATION SHEET TRANSFORMER, AUDIO FREQUENCY This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the

2、transformer described herein shall consist of this specification sheet and MIL-PRF-27. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Marking shall be on the side of the case. 4. Terminals are spaced the same as “TO-76” transistor and micrologic

3、elements. 5. Terminal one located 45 from centerline, as noted. 6. Primary and secondary electrical values shall be marked as specified in table I, as applicable. 7. The number of terminals shall be as shown in circuit diagrams A and B. 8. Shorter lead lengths can be made down to .125 .010 inch (3.1

4、8 0.25 mm) as measured from the moisture barrier offset. FIGURE 1. Dimensions and configurations 1 6 45 1 2 3 4 5 KEY AND MOISTURE BARRIER OFFSET .031 .002 RAD. OPTIONAL (SEE NOTE 7) WORKING VOLTAGE (PEAK) 50 V ALTITUDE 150.000 FEET MAX. (SEE TABLE I FOR VALUE OF “X“) 2 3 1 2 3 7654654PRI “X“ OHMS C

5、T SEC“X“OHMSPRI “X“ OHMS CT SEC“X“OHMS.406 MAX1.000 .250 (SEE NOTE 8) .035 .010 .360 DIA. MAXDIAGRAM B7 DIAGRAM A.063 .002 .125 DIA .010 Inches mm .002 .010 .031 .035 .063 .125 .260 .360 .406 1.000 0.05 0.25 0.79 0.89 1.60 3.18 6.35 9.14 10.31 25.40 Provided by IHSNot for ResaleNo reproduction or ne

6、tworking permitted without license from IHS-,-,-MIL-PRF-27/103E 2 REQUIREMENTS: (When numbers in parentheses, such as (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: See table I. Working voltage (peak): 50 volts. Frequency range: 400 Hz to 100

7、 kHz. Design and construction: Dimensions and configuration: See figure 1. Duty cycle. Continuous. Case: Encapsulated. Terminals: Dumet wire leads. Material: Tin-lead plated type D-4 in accordance with MIL-STD-1276. Diameter: .016 .002 inch (0.41 0.05 mm). Length: 1.000 .025 inch (2.54 0.63 mm). Wei

8、ght: 0.11 ounces, maximum. Altitude: 150,000 feet, maximum. Operating temperature range: -55C to +105C. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage: At sea level: 100 V rms. At reduced barometric pressure: 100 V rms. Electrical characterist

9、ics: See table II. No load (centertap unbalanced only): 1 percent with 5 volts, 5 kHz across primary. Harmonic distortion: Total harmonic content of the output shall be a maximum 5 percent at the specified power level and primary dc current (see table I). Insertion loss: At the specified power level

10、 (see table I), the insertion loss shall be a maximum of 4 dB. Frequency response: 3 dB at the rated source and load impedances (see table II) with 1 mW level output and a reference frequency of 1 kHz. Vibration (high frequency): MIL-STD-202, method 204, test condition B. Shock (specified pulse): MI

11、L-STD-202, method 213, test condition H. Marking location: See figure 1. Part or Identification Number (PIN): M27/103-(See table I). Supersession data: MIL-PRF-27 supersedes the following MS sheets which are inactive for new design: MS21394(USAF), MS21404(USAF), and MS53227 Superseding PINs: See tab

12、le III. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/103E 3 TABLE I. Electrical ratings. 1/ 2/ Dash number Circuit diagram Primary impedance Secondary 3/ impedance (ohms) Primary dc current (mA) Power level at 1 kHz (max) (mW) Primary d

13、c resistance 25 precent (ohms) Secondary dc resistance 25 precent (ohms) 01 A 10 k CT 12 k CT 10 k CT 12 k CT (4-6) 1 100 970 1220 02 A 20 k CT 30 k CT 800 CT 1200 CT (4-6) 0.5 50 815 140 03 B 10 k CT 12.5 k CT 2 k SPLIT 2.5 k SPLIT (4-7) 1 100 620 220 04 A 10 k CT 12 k CT 2 k CT 2.4 k CT (4-6) 1 10

14、0 870 180 05 A 10 k CT 12.5 k CT 1.2 k CT 1.5 k CT (4-6) 1 100 870 130 06 A 10 k CT 12 k CT 500 CT 600 CT (4-6) 1 100 870 50 07 B 2 k CT 2.5 k CT 8 k SPLIT 10 k SPLIT (4-7) 3 100 180 440 08 A 1.5 k CT 600 CT (4-6) 3 500 87 90 09 A 1000 CT 1200 CT 50 CT 60 CT (4-6) 3 500 110 9 10 A 500 CT 600 CT (4-6

15、) 5.5 500 32 89 11 A 500 CT 600 CT 50 CT 60 CT (4-6) 3 500 65 9 12 B 400 CT 500 CT 400 SPLIT 500 SPLIT (4-7) 8 6 500 50 89 13 B 400 CT 500 CT 40 SPLIT 50 SPLIT (4-7) 8 6 500 50 6.5 14 A 300 CT 600 CT (4-6) 7 500 20 89 15 B 80 CT 100 CT 32 SPLIT 40 SPLIT (4-7) 12 10 500 11.5 4 16 A 600 CT 600 CT (4-6

16、) 4 500 47 47 1/ Qualification testing and approval to M27/103-01 shall be sufficient to grant qualification to M27/103-02 through M27/103-16. 2/ Impedance values written one above the other indicate a range of matching impedances over which the parts will give satisfactory performance as long as th

17、e impedance ratio is maintained. 3/ Where windings are listed as SPLIT, one-fourth of the listed impedance is available by paralleling the winding. TABLE II. Electrical characteristics. Dash number Frequency response: 3 dB at 400 Hz to 100 kHz and 1 mW Resonance, second resonant frequency kHz (min)

18、Polarity: Additive with terminals (below) connected ZS(ohms) ZL(ohms) 01 10 k CT (1-3) 10 k CT (4-6) 750 3 and 4 02 20 k CT (1-3) 800 CT (4-6) 500 3 and 4 03 10 k CT (1-3) 2 k (4-7) 750 (3-4) and (5-6) 04 10 k CT (1-3) 2 k CT (4-6) 750 3 and 4 05 10 k CT (1-3) 1.2 k CT (4-6) 750 3 and 4 06 10 k CT (

19、1-3) 500 CT (4-6) 750 3 and 4 07 2 k CT (1-3) 8 k (4-7) 750 (3-4) and (5-6) 08 1.5 k CT (1-3) 600 CT (4-6) 750 3 and 4 09 1000 CT (1-3) 50 CT (4-6) 750 3 and 4 10 500 CT (1-3) 600 CT (4-6) 750 3 and 4 11 500 CT (1-3) 50 CT (4-6) 750 3 and 4 12 400 CT (1-3) 400 (4-7) 1000 (3-4) and (5-6) 13 400 CT (1

20、-3) 40 (4-7) 750 (3-4) and (5-6) 14 300 CT (1-3) 600 CT (4-6) 750 3 and 4 15 80 CT (1-3) 32 (4-7) 750 (3-4) and (5-6) 16 800 CT (1-3) 600 CT (4-6) 750 3 and 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/103E 4 TABLE III. Supersession d

21、ata. Superseding Military PIN Superseded MS PIN M27/103-03 M27/103-07 M27/103-08 M27/103-10 M27/103-14 MS53227-3 MS53227-2 MS53227-1 MS21394-1 MS21404-1 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the previous issue wer

22、e 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 the entire content irrespective of the marginal notations and relations

23、hip to the last previous issue. Referenced documents. In addition to MIL-PRF-27, this document references the following: MIL-STD-202 MIL-STD-1276 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air force 85 (Project 5950-2009-028) DLA - CC Review activities: Army AR, CR4, MI Navy - AS,

24、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-,-,-