DLA MIL-PRF-27 79 A-2009 TRANSFORMERS AUDIO FREQUENCY.pdf
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1、AMSC N/A FSC 5950 MIL-PRF-27/79A 9 November 2009 SUPERSEDING MIL-PRF-27/79 29 August 1975 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 d
2、escribed 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 top of the case. FIGURE 1. Dimensions and configuration INCH-POUND .030 DIA. 1.125 MAX. .200 .010 .800 .0
3、10 .400 .010 .400 .010 .200 .010 .122-40 X 16UNC-2B (2 REQD.) 10 K CT 355 W V MAX. 600 CT 175 W V MAX. CIRCUIT DIAGRAM AND MARKING 56781234.046 1.000 MAX. .500 .031 1.085 MAX. 315672.800 .010.187 .020 .142 .020 Inches mm .010 .020 .030 .031 .045 .142 .187 .200 .400 .500 .800 1.000 1.085 1.125 .254 .
4、508 .762 .7874 1.143 3.6068 4.7498 5.08 10.16 12.70 20.32 25.40 27.56 28.58 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/79A 2 REQUIREMENTS: (When numbers in parentheses, such as (1.-3) are used, they indicate the winding and the extrem
5、e terminals of the winding.) Electrical ratings: Source impedance (1-3): 10k ohms ct 10 percent. Load impedance (5-7): 600 ohms ct. Primary power level: 6 watts maximum (200 Hz to 10 kHz) 25 watt (60 Hz to 200 Hz) Working voltage: (1-3) 355 volts maximum. (5-7) 175 volts maximum. Design and construc
6、tion: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Epoxy glass. Terminals: Pin type, Dumet, hot tin dipped. Weight: 2.5 ounces, maximum. Operating temperature range: -55C to +130C. Terminal strength: MIL-STD-202, method 211, test condition A, 2 po
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