DLA MIL-PRF-27 96 A-2009 TRANSFORMER AUDIO FREQUENCY SUB-MINIATURE.pdf

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1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/96A 29 September 2009 SUPERSEDING MIL-PRF-27/96 12 May 1976 PERFORMANCE SPECIFICATION SHEET TRANSFORMER, AUDIO FREQUENCY, SUB-MINIATURE This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for

2、acquiring the 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. The number of terminals shall be as shown in circuit diagram. 4. For vibration and shock test the

3、specimen shall be rigidly mounted on a printed circuit board. FIGURE 1. Dimensions and configurations 1,200 WORKING VOLTAGE: 49 V MAX. FREQUENCY RANGE: 300 Hz TO 20 kHzPOWER LEVEL: 100 mW BLU-RED - 1,200 OHMS BLK-GRN - 3.2 OHMS SECBLK GRN BLU PRIRED 32 CIRCUIT DIAGRAM 1.500 .250 AWG. NO. 26(.016) .4

4、69 MAX. .344 DIA.MAX.Inches mm .344 8.74 .469 11.911.500 38.10Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/96A 2 REQUIREMENTS: Electrical ratings: Primary power level: 100 mW. Working voltage: 49 volts, maximum. Primary current: 2 mA dc

5、. Primary impedance: (BLU-RED) 1,200 ohms. Secondary load impedance: (BLK-GRN) 3.2 ohms. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Terminals: Solder wire, insulated. Material: Insulated type D, in accordance with MIL-STD-1276. Diameter: .016 inch (0

6、.41 mm). Length: 1.500 .250 inch (38.1 6.35 mm). Weight: 3.5 grams. Altitude: 70,000 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 volts rms. At reduced barometric

7、 pressure: 100 volts rms. Electrical characteristics: Primary impedance: (BLU-RED) 1200 ohms with approximately 11 volts, 1 kHz and 2 mA dc applied to (BLU-RED) and 3.2 ohms across (BLK-GRN). Harmonic distortion: Total harmonic content of output 5 percent with 11 volts, 1 kHz and 2 mA dc applied to

8、(BLU-RED). Frequency response: ZS=1200 ohms (BLU-RED), ZL=3.2 ohms (BLK-GRN), ES=2.5 volts, reference frequency = 1 kHz, frequency range = 300 Hz to 20 kHz 3 dB. Polarity: Additive, with terminals RED and BLK connected. Vibration (high frequency): MIL-STD-202, method 204, test condition B Provided b

9、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/96A 3 Part or Identification Number (PIN): M27/96-01 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were

10、 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 relationsh

11、ip 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 5950-2009-019) DLA - CC Review activities: Army - AR, CR4, MI Navy - A

12、S, MC, OS, SH Air Force - 19 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 the 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-,-,-