DLA MIL-PRF-27 361 A-2010 TRANSFORMERS AUDIO FREQUENCY.pdf

1、AMSC N/A FSC 5950 MIL-PRF-27/361A 3 December 2010 SUPERSEDING MIL-PRF-27/361 4 April 1985 PERFORMANCE SPECIFICATION TRANSFORMERS, AUDIO FREQUENCY This specification is approved for use by all Departments and agencies of the Department of Defense. The requirements for acquiring the product described

2、herein shall consist of this specification sheet and the latest issue of 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. Primary and secondary electrical values shall be marked as specified

3、in table I, as applicable. 5. The number of terminals shall be as shown in circuit diagram “A” and “B”. FIGURE 1. Dimensions and configuration. INCH-POUND INCHES MM .010 .016 .020 .218 .250 .350 .500 0.25 0.41 0.51 5.54 6.35 8.89 12.70 Provided by IHSNot for ResaleNo reproduction or networking permi

4、tted without license from IHS-,-,-MIL-PRF-27/361A 2 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: See table I. Working voltage (peak): 100 volts. Frequency range: 300 hertz to 75 kilohertz. D

5、esign and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Altitude: 150,000 feet, maximum. Terminals: Dumet wire leads. Material: tin-lead plated type D4 in accordance with MIL-STD-1276. Diameter: .016 inch. Length: 1.000 .250 inch. Weight: 5.0 g

6、rams, maximum. Operating temperature range: -55C to +130C. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage: At sea level: 200 volts rms. At reduced barometric pressure: 200 volts rms. Electrical characteristics: See table II. No load (centertap

7、 unbalanced only): 1 percent with 5 volts, 5 kilohertz across the 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 (see table I), the inserti

8、on loss shall be a maximum of 3 dB. Frequency response: 3 dB at the rated source and load impedances (see table II) with 1 milliwatt level output and a reference frequency of 1 kilohertz. Vibration (high frequency): MIL-STD-202, method 204, test condition B. Shock (specified pulse): MIL-STD-202, met

9、hod 213, test condition I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/361A 3 Marking location: See figure 1. Part or Identifying Number (PIN): M27/361- (dash number from table I). TABLE I. Electrical ratings. Dash no. Circuit diagram

10、Primary impedance (ohms) (1-3) Secondary impedance (ohms) 1/ Primary dc current (mA) Power level at 1 kHz (max) (watts) Primary dc resistance 25% (ohms) Secondary dc resistance 25% (ohms) 01 B 150 CT 150 split (4-7) 11 .6 13 18.3 02 B 150 CT 600 split (4-7) 11 .6 13 75 03 B 600 CT 600 split (4-7) 5.

11、5 .6 57 79 04 A 2/ 600 CT 600 CT (5-7) 5.5 .6 53 75 05 B 600 CT 1,200 split (4-7) 5.5 .6 53 105 06 A 2/ 2,000 CT 2,000 CT (5-7) 3 .6 198 218 07 B 2,000 CT 8,000 split (4-7) 3 .6 198 850 08 B 10,000 CT 10,000 split (4-7) 1.4 .6 865 1,215 09 A 2/ 10,000 CT 10,000 CT (5-7) 1.4 .6 1,060 1,215 10 B 15,00

12、0 CT 600 split (5-7) 1 .6 1,305 72.5 1/ Where windings are listed as SPLIT, one-fourth of the listed impedance is available by paralleling the windings. 2/ Includes electrostatic shield. Voltage ratio shall be 2 to 1 at 20 kHz. VERIFICATION: Extent of qualification: Qualification testing and approva

13、l to M27/362-12 shall be sufficient to grant qualification approval to MIL-PRF-27/361 through MIL-PRF-27/363 inclusive, all parts. Qualification testing and approval to M27/361-10 shall be sufficient to grant qualification approval to M27/361-01 through M27/361-10. Provided by IHSNot for ResaleNo re

14、production or networking permitted without license from IHS-,-,-MIL-PRF-27/361A 4 TABLE II. Electrical characteristics. Dash no. Frequency response: 3 dB at 300 Hz to 75 kHz and 1 mW Resonance, 1/ self resonant frequency kHz (min) Polarity: Additive with terminals (below) connected ZS(ohms) ZL(ohms)

15、 01 150 CT (1-3) 150 split (4-7) 1300 (3-4) and (5-6) 02 150 CT (1-3) 600 split (4-7) 1300 (3-4) and (5-6) 03 600 CT (1-3) 600 split (4-7) 600 (3-4) and (5-6) 04 600 CT (1-3) 600 CT (5-7) 600 3 and 5 05 600 CT (1-3) 1,200 split (4-7) 600 (3-4) and (5-6) 06 2,000 CT (1-3) 2,000 CT (5-7) 275 3 and 5 0

16、7 2,000 CT (1-3) 8,000 split (4-7) 275 (3-4) and (5-6) 08 10,000 CT (1-3) 10,000 split (4-7) 120 (3-4) and (5-6) 09 10,000 CT (1-3) 10,000 CT (5-7) 120 3 and 5 10 15,000 CT (1-3) 600 split (4-7) 90 (3-4) and (5-6) 1/ Self resonant frequency is measured with secondarys carrying the specified load and

17、 the secondary voltage observed. 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 no liability whatsoever for any inaccuracies in t

18、hese 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 MIL-PRF-27, this document references the following:

19、 MIL-STD-202 MIL-STD-1276 MIL-PRF-27/362 MIL-PRF-27/363 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project number 5950-2009-048) DLA - CC Review activities Army - AR, MI Navy AS, MC, OS, SH Air Force 19, 99 NOTE: The activities listed above were interested in this d

20、ocument as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-