1、9999906 1858902 439 I INCH-POUND I MIL-T-27/140B SUPERSEDING 5 April 1990 28 July 1993 M IL-T-27/140A MILITARY SPECIFICATION SHEET TRANSFORMERS, POWER, STEP-DOUN, TF4S03W This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements for acqui
2、ring the product described herein shall consist of this specification sheet and the issue of the following specification listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) specified in the solicitation: MIL-T-27. SEE 2.125 t. 062 1.50 (NO. 81 4 PLACES *.
3、O62 o o 5.000 L 357 UV CIRCUIT OiACRAM -SEE NOTE 4 NOTES: 1. Dimensions are in inches. 2. 3. 4. 5. Metric equivalents are given for general information only. Tolerance on terminal position dimensions is *.O64 (1.63 mm). Harking shall be on the top of the case. Mark terminals as shown (4 places). FIG
4、URE 1. Dimensions and confiquration. O AHSC N/A denotes changes 1 of 3 Inches mm .O62 1.57 .I64 4.17 .I87 4.75 .500 12.70 .687 17.45 .812 20.62 1.000 25.40 2.125 53.98 2.625 66.68 3.187 80.94 3.625 92.08 5.000 127.00 FSC 5950 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unl
5、imited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-T-27/140B 9999706 1858903 375 MIL-T-27/1406 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical
6、 ratings: Volt ampere: 100. Primary voltage: (1-2): 115 volts, 60 Hz. Secondary voltage: (3-4): 50 volts, i2 volts, 2 amperes rms. DC resistance: (1-2): 3.5 ohms maximum. (3-4): 0.75 ohms maximum. Working voltage: (1-2) (3-4): 357 volts maximum. Design and construction: Dimensions and configuration:
7、 Duty cycle: Continuous. Case: Metal. Terminals: Solder type, brass, tin plated (Neoprene-Ceramic or equal). See figure 1. Terminal height: 0.687 maximum. Weight: 6.8 pounds (maximum). Operating temperature range: -55OC to t130“C. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pound
8、s. Dielectric withstanding voltage: At sea level: 1,500 volts rms. Electrical characteristics: No load: power in (1-2) shall not exceed 4.5 watts; voltage across (3-4) shall be 52.57 volts 12 percent. Rated load: at 2 amperes rms. Polarity: Temperature rise: With 115 volts, 60 Hz across (1-2), curre
9、nt in (1-2) shall not exceed 0.250 ampere and the With 115 volts, 60 Hz across (1-21, the voltage across (3-4) shall be 50 volts I4 percent Additive with terminals 2 and 3 connected. 45C with 115 volt rms, 60 Hz across (1-21, at an ambient temperature of 85C maximum, at 2 amperes rms on (3-4). Marki
10、ng location: See figure 1. Part or Identifying Number (PIN): M27/140-01, 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-27/L40B 7Ob L85870i.I 201 CONCLUDING MATERIAL Custodians: Army - ER Navy - EC Air Force - 85 Review activities: Army - MI Navy - SH, OS Air Force - 17, 99 User activities: Army - AR, ME Navy - AS, MC Air Force - 19 3 Preparing activity: Army - ER Agent: DLA - ES (Project 5950-0805) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
