1、AMSC N/A FSC 5950 INCH-POUND MIL-T-27/261B 9 November 2009 SUPERSEDING MIL-T-27/261A 11 August 1993 MILITARY SPECIFICATION SHEET TRANSFORMERS AND INDUCTORS (AUDIO, POWER, AND HIGH-POWER PULSE) INDUCTORS, POWER (100 VA) This specification is approved for use by all Depart- ments and Agencies of the D
2、epartment of Defense. The requirements for 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. Marking shall be on the sides of the case. FIGURE 1. Di
3、mensions and configurations. Inactive for new design after 25 August 1998 1 4 3 1.35 mH 3.85 A rms 26 V rms, 800 Hz WORKING VOLTAGE: 26 V (PEAK) ALTITUDE = 70,000 FT. MAX. CIRCUIT DIAGRAM AND MARKING 1.750 MAX. 1.000 MAX.LENGTH(2 PLACES)13 4 .625 .125 .294 DIA. .0152.125 .0151.750 .0151.375 .0151.00
4、0 .0151.500MAX.171 .005DIA. (4 PL)Inches mm Inches mm .005 0.13 .625 15.88 .015 0.38 1.000 25.40 .125 3.18 1.375 34.92 .171 4.34 1.500 38.10 .294 7.47 1.750 44.45 2.125 53.98 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-27/261B 2 REQUIREMENT
5、S: (When numbers in parentheses, such as (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Inductance (1-3, 4): 1.35 mH, minimum. Voltage (1-3, 4): 26 volts rms, 800 Hz. Current (1-3, 4): 3.85 amperes rms. DC Resistance (1-3, 4): 0.2 ohm, maximu
6、m. Working voltage (peak): 26 volts. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Material: Metal encased. Terminals: (1) Solder lug (copper, tin plated), (2) solid wire leads (NEMA MW-1000, Heavy, AWG 19). Height: Lug (.375 inch (9.53 mm) max.);
7、 Leads (1.000 inch (25.40 mm) max. length). Weight: 6 ounces, maximum. Operating temperature range: -55C to +170C. Altitude: 70,000 feet, maximum. Terminal strength: MIL-STD-202, method 211, test condition A, 5.0 pounds, for the lug and 2 pounds for the wire leads. Dielectric withstanding voltage At
8、 sea level: 1,000 volts rms. At reduced barometric pressure: 300 volts rms. Electrical characteristics: Inductance: With 26 volts, 800 Hz and 3.85 amperes applied to (1-3, 4), the inductance shall be 1.35 mH, minimum. Temperature rise: 99C with 26 volts rms, 800 Hz and 3.85 amperes applied to (1-3,
9、4) at an ambient temperature of 71C. VERIFICATION: Qualification inspection: Not applicable. Conformance inspection: Groups A and B tests of MIL-PRF-27 shall be applicable. Marking location: See figure 1. Part or Identification Number (PIN): M27/261-01. Provided by IHSNot for ResaleNo reproduction o
10、r networking permitted without license from IHS-,-,-MIL-T-27/261B 3 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 w
11、hatsoever 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 relationship to the last previous issue. Referenced documents. In addition to MIL-PRF-27, this
12、 document references the following: MIL-STD-202 NEMA MW-1000 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5950-2009-004) DLA - CC Review activities: Army - AR, CR4 Navy - AS, MC, OS, SH Air Force - 19, 99 NOTE: The activities listed above were interested in th
13、is 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-,-,-
