1、AMSC N/A FSC 5950 MIL-PRF-27/88A 29 September 2009 SUPERSEDING MIL-PRF-27/88 22 April 1976 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS AND INDUCTORS (AUDIO, POWER, AND HIGH-POWER PULSE), INDUCTOR, POWER This specification is approved for use by all Depart- ments and Agencies of the Department of De
2、fense. 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 side of the case. FIGURE 1. Dimensions and con
3、figuration. INCH-POUND .312 DIA. MAX. 1.500 .125 1.500 .125 1 2 72 uH MIN. .1 V 10kHz .3 OHMS MAX. 1.0 Adc WV : 50 VOLTS MAX. ALTITUDE : 70.000 FT. MAX. CIRCUIT DIAGRAM AND MARKING .032 DIA. .625 MAX. Inches mm .032 .125 .312 .625 1.500 0.81 3.18 7.92 15.88 38.10 Provided by IHSNot for ResaleNo repr
4、oduction or networking permitted without license from IHS-,-,-MIL-PRF-27/88A 2 REQUIREMENTS: (When numbers in parentheses, such as (1.-3) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: Inductance (1-2): 72H minimum. Voltage (1-2): 0.1 volts rms, 10
5、 kHz. Power: 0.3 watt. Current (1-2): 1 ampere dc. DC resistance(1-2): 0.3 ohm dc, maximum. Working voltage: 50 volts maximum. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Epoxy. Altitude: 70,000 feet, maximum. Terminals:
6、Solid wire lead type, tinned soft copper. Weight: 3.2 grams. Operating temperature range: -55C to +130C. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage: At sea level: 100 volts rms. At reduced barometric pressure: 50 volts rms. Electrical char
7、acteristics: Inductance: With 0.1 volt rms, 10 kHz across, and 1 ampere dc applied to (1-2) the inductance shall be 72 H minimum. DC resistance at 25C: 0.3 ohm across (1-2) maximum. Self resonant frequency: 2.5 MHz minimum. Temperature rise: 30C maximum, with 0.1 volt rms, 10 kHz, 1 ampere dc applie
8、d to (1-2) at an ambient temperature of 100C. Marking location: See figure 1. Part or Identifying Number (PIN): M27/88-01. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/88A 3 Changes from previous issue. The margins of this specification
9、 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 whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this docu
10、ment 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 document references the following: MIL-STD-202 Custodians: Preparing activity: Army - CR DLA CC Navy - EC Air Force - 85 (Project
11、 5950-2009-033) DLA - CC Review activities: Army - AR, CR4, MI Navy - AS, MC, OS, SH Air Force - 19, 99 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 this 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-,-,-
