DLA MIL-PRF-27 97 D-2008 TRANSFORMERS AUDIO FREQUENCY SUB-MINIATURE《超微型音频变压器》.pdf

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1、AMSC N/A FSC 5950 MIL-PRF-27/97D 18 July 2008 SUPERSEDING MIL-PRF-27/97C 2 June 2003 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS, AUDIO FREQUENCY, SUB-MINIATURE This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the

2、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. The number of terminals shall be as shown in circuit diagram. 4. Terminals are spaced the same as “TO-76” transistors and

3、 micrologic elements. 5. For vibration and shock test, the specimen shall be rigidly mounted on a printed circuit board. FIGURE 1. Dimensions and configuration. INCH-POUND Inches mm .002 .005 .010 .016 .031 .035 .125 .200 .250 .350 .360 1.000 0.05 0.13 0.25 0.41 0.79 0.89 3.18 5.08 6.35 8.89 9.14 25

4、.40 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/97D 2 REQUIREMENTS: Electrical ratings: See table I. Primary power level: 125 mW. TABLE I. Electrical ratings. Dash number Circuit diagram Primary impedance (ohms) Secondary Impedance (oh

5、ms) Primary dc current (mA) Primary dc resistance 25 percent (ohms) Secondary dc resistance 25 percent (ohms) Working voltage (volts) 01 02 A B 2,000 CT 10 k (4-5) 8,000 (6-7) 8,000 100 3 1 200 1,000 (4-(5+6)-7) 450 10 49 50 Design and construction: Dimensions and configuration: See figure 1. Duty c

6、ycle: Continuous. Terminals: Pin for printed circuit. Material: Type D in accordance with MIL-STD-1276. Diameter: .016 inch. Length: 1.000 .250 inch. Weight: 2.4 grams maximum. Operating temperature range: -55C to +105C. Altitude: 70,000 feet. Terminal strength: MIL-STD-202, method 211, test conditi

7、on A, 2 pounds. Dielectric withstanding voltage: At sea level: 100 volts rms. At reduced barometric pressure: 100 volts rms. Electrical characteristics: Harmonic distortion: Total harmonic content of output 5 percent at 1 kHz. No load (CT voltage balance only): With 10 volts, 10 kHz applied to (1-3)

8、, unbalance (4-5) and (6-7) shall be 3 percent, maximum. Self-resonant frequency: See table II. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/97D 3 Frequency response: See table II. Polarity: See table II. Vibration, high frequency: MIL-

9、STD-202, method 204, test condition B. TABLE II. Electrical characteristics. Frequency response 3 dB at 400 Hz to 100 kHz and 1 mW Dash number ZsZL ES Resonance, self resonant frequency (min) Polarity (additive with terminals connected) 01 02 2 k 10 k 8 k 100 volts 3 6.32 kHz 40 - 3-4 and 5-6 2-4 Pa

10、rt or Identifying Number (PIN): M27/97- (dash number from table I). TABLE III. Substitution data 1/ PIN M27/97- CAGE Manufacturers PIN 01 02 31669 31669 C265 C3375 1/ These transformers are substitutable for the manufacturers PINs. This in no way implies that the manufacturers PIN is substitutable f

11、or the military PIN. This information is not intended to be complete. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/97D 4 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where cha

12、nges 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 evaluate the requirements of this document based on the entire content irrespective of the

13、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 MIL-STD-1276 Custodians: Preparing activity: Army CR DLA CC Navy EC Air Force 85 (Project 5950-2008-018) DLA - CC Review activities: Ar

14、my AR, CR4 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-,-,-