1、AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/247D 18 July 2008 SUPERSEDING MIL-T-27/247C 3 August 1993 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS AND INDUCTORS, (AUDIO, POWER AND HIGH-POWER PULSE), TRANSFORMER, AUDIO FREQUENCY This specification is approved for use by all Depart- ments and Agencies of
2、the Department of Defense. The requirements for acquiring the product 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. Unless otherwise specified, tolerance is .010 inch (0.
3、25 mm) 4. Marking shall be on the sides and/or top of the case. 5. Electrical values shall be marked as specified in table I, as applicable. 6. Terminal numbers for reference only, not to be marked on unit. FIGURE 1. Dimensions and configurations. Inactive for new design after 14 February 1997 INCHE
4、S MM .025 .032 .045 .187 .400 .600 .920 .930 1.315 0.64 0.81 1.14 4.75 10.16 15.24 23.37 23.62 33.40 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/247D 2 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the
5、 winding and terminals of the windings.) Electrical ratings: See table I. Frequency range: 200 Hz to 10 kHz. Power level: 2 watts, maximum at 200 Hz. TABLE I. Electrical ratings. Dash no. Circuit diagram Primary impedance (1-3) ohms Secondary impedance (4-6) ohms Primary DCR (1-3) ohms 20% Secondary
6、 DCR (4-6) ohms 20% Primary unbalanced dc current mA (max) 02 03 04 05 06 07 08 09 10 11 A A A B A A A A A B 10.0 k CT 10.0 k CT 10.0 k CT 10.0 k CT 1.5 k CT 1.0 k CT 600.0 CT 600.0 CT 600.0 CT 600.0 CT 10.0 k CT 1.5 k CT 600.0 CT 3.2 600.0 CT 600.0 CT 600.0 CT 250.0 CT 150.0 CT 3.2 700 700 700 700
7、105 69 43 43 43 43 1,000.00 150.00 60.00 0.37 60.00 60.00 60.00 24.00 15.00 0.37 1.5 1.5 1.5 1.5 4.0 4.5 6.0 6.0 6.0 6.0 Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Plastic. Terminals: Pin (printed circuit). Material: Bra
8、ss, tin-plated. Diameter: .045 inch .005. Length: .187 inch, maximum. Weight: .10 pound. Altitude: 70,000 feet, maximum. Operating temperature range: -55C to +130C. Salt spray (corrosion): MIL-STD-202, method 101, test condition B. Terminal strength: MIL-STD-202, method 211, test condition A, 2 poun
9、ds. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/247D 3 Dielectric withstanding voltage: At sea level: 500 volts rms. At reduced barometric pressure: 300 volts rms. Electrical characteristics: See table II. Frequency response: Reference
10、 frequency: 1 kHz. Polarity: Additive with terminals 1 and 4 connected. TABLE II. Electrical characteristics. Frequency response at 200 Hz to 10 kHz. 1.0 dB Dash no. ZS(1-3) ohms ZL(4-6) ohms Eprivolts Primary dc current (1-3) mA 02 03 04 05 06 07 08 09 10 11 10.0 k 10.0 k 10.0 k 10.0 k 1.5 k 1.0 k
11、600.0 600.0 600.0 600.0 10.0 k 1.5 k 600.0 3.2 600.0 600.0 600.0 250.0 150.0 3.2 70.7 70.7 70.7 70.7 27.4 22.4 17.3 17.3 17.3 17.3 0.75 0.75 0.75 0.75 2.00 2.25 3.00 3.00 3.00 3.00 VERIFICATION: Qualification inspection: Not applicable for this specification sheet. Quality conformance inspection: Gr
12、oups A and B test of MIL-PRF-27 shall be applicable. Marking location: See figure 1. Part or Identification Number (PIN): M27/247-(dash number from table I). Substitution data: M27/247-(and dash no. from table I) is substitutable for CAGE 70674, PIN 330-(and dash no. from table I). This in no way im
13、plies that the manufacturers part is substitutable for the military item. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/247D 4 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate wher
14、e 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 these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of
15、 the marginal notations and relationship to the last previous issue. Referenced documents. MIL-PRF-27 MIL-STD-202 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5950-2008-031) DLA - CC Review activities: Army - AR, MI Navy - AS, MC, OS, SH Air Force - 19, 99 NOT
16、E: 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-,-,-
