DLA MIL-PRF-27 372 A-2012 TRANSFORMERS AND INDUCTORS (AUDIO POWER AND HIGH-POWER PULSE) INDUCTOR SURFACE MOUNT LEADLESS.pdf

1、 AMSC N/A FSC 5950 INCH-POUND MIL-PRF-27/372 27 April 2012 PERFORMANCE SPECIFICATION SHEET TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE), INDUCTOR, SURFACE MOUNT, LEADLESS This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The comp

2、lete requirements for procuring the transformer described herein shall consist of this document and the latest issue of specification MIL-PRF-27. FIGURE 1. Dimensions and configurations. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/372

3、2 Size E max Millimeters (inches) F max Millimeters (inches) G 1/ Millimeters (inches) A 6.60 (.260) 5.84 (.230) 2.16 (.085) B 10.41 (.410) 5.84 (.230) 3.43 (.135) C 10.41 (.410) 7.87 (.310) 3.43 (.135) D 13.59 (.535) 7.87 (.310) 5.08 (.200) 1/ The tolerance for all dimensions shall be 0.25 mm (.010

4、 inch). mm Inches0.25 .010 0.64 .025 NOTES: 1. Dimensions are in millimeters. 2. Inch-pound equivalents are given for general information only. 3. The US Government preferred system of measurement is the metric SI system. However, since this item was originally designed using inch-pound units of mea

5、surement, in the event of conflict between the metric and inch-pound units, the inch-pound units shall take precedence. FIGURE 1. Dimensions and configurations - continued. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/372 3 TABLE I. Ele

6、ctrical characteristics. Dash numbers Series Parallel Configur- ation Power rating (mW) Inductance 10 percent (mH) Rated dc current (mA) DC resistance(max) Inductance 10 percent (mH) Rated dc current (mA) DC resistance (max) 001 0.100 300 1.60 0.025 600 0.400 A 125 002 0.100 600 0.96 0.025 1200 0.24

7、0 B 250 003 0.100 780 0.37 0.025 1560 0.093 C 300 004 0.100 1350 0.21 0.025 2700 0.053 D 450 005 0.250 200 3.11 0.062 400 0.778 A 125 006 0.250 400 1.98 0.062 800 0.495 B 250 007 0.250 530 0.82 0.062 1060 0.205 C 300 008 0.250 930 0.41 0.062 1860 0.103 D 450 009 0.500 150 6.14 0.125 300 1.535 A 125

8、010 0.500 300 3.35 0.125 600 0.838 B 250 011 0.500 380 1.62 0.125 760 0.405 C 300 012 0.500 660 0.82 0.125 1320 0.205 D 450 013 0.750 120 9.45 0.187 240 2.363 A 125 014 0.750 250 5.20 0.187 500 1.300 B 250 015 0.750 310 2.50 0.187 620 0.625 C 300 016 0.750 540 1.25 0.187 1080 0.313 D 450 017 1.000 9

9、5 12.85 0.250 190 3.213 A 125 018 1.000 200 6.90 0.250 400 1.725 B 250 019 1.000 270 3.37 0.250 540 0.843 C 300 020 1.000 470 1.87 0.250 940 0.468 D 450 021 2.000 75 25.60 0.500 150 6.400 A 125 022 2.000 150 12.20 0.500 300 3.050 B 250 023 2.000 190 6.75 0.500 380 1.690 C 300 024 2.000 330 3.62 0.50

10、0 660 0.910 D 450 025 3.000 60 38.40 0.750 120 9.600 A 125 026 3.000 120 18.30 0.750 240 4.580 B 250 027 3.000 160 10.12 0.750 320 2.530 C 300 028 3.000 270 5.50 0.750 540 1.380 D 450 029 5.000 45 64.00 1.250 90 16.000 A 125 030 5.000 90 30.40 1.250 180 7.600 B 250 031 5.000 120 16.87 1.250 240 4.22

11、0 C 300 032 5.000 210 9.12 1.250 420 2.280 D 450 033 7.500 30 96.00 1.875 60 24.000 A 125 034 7.500 70 46.00 1.875 140 11.500 B 250 035 7.500 100 25.37 1.875 200 6.350 C 300 036 7.500 170 13.75 1.875 340 3.440 D 450 037 10.000 20 128.00 2.500 40 32.000 A 125 038 10.000 50 61.00 2.500 100 15.250 B 25

12、0 039 10.000 80 33.75 2.500 160 8.440 C 300 040 10.000 140 18.25 2.500 280 4.570 D 450 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/372 4 REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and th

13、e extreme terminals of the winding.) Electrical ratings: See table I. Design and construction: Dimensions and configurations: See figure 1. Case: Grade 5, encapsulated. Terminals: The terminals shall be tin-lead plated phosphor bronze. Weight: 1.25 ounces, maximum. Altitude: 70,000 feet, maximum. Op

14、erating temperature range: -55C to +125C. Resistance to soldering heat: MIL-STD-202, method 210 test condition B. Depth of immersion shall be the entire mounting surface for 4 to 5 seconds. Bond Strength: MIL-STD-883, method 2011, test condition F. Force: 2 pounds. Barometric pressure: MIL-STD-202,

15、method 105, test condition C, (70,000 feet), test voltage 100 V rms. Insulation resistance: MIL-STD-202, method 302, 1,000 megohms minimum at 100 V dc. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage: At sea level: 200 volts rms. At reduced bar

16、ometric pressure: 100 volts rms. Vibration (high frequency): MIL-STD-202, method 204, test condition D. Moisture resistance: MIL-STD-202, method 106, method of mounting shall be on a test substrate that provide test pieces on inch minimum separation. Temperature rise: The temperature rise shall be 3

17、5C over ambient temperature of 90C. Marking location: Marking shall be on top of the case. Part or Identifying Number (PIN): M27/372-(dash number from table I). Qualification: Qualification testing and approval to M27/372-040 shall be sufficient to grant qualification approval to M27/372-001 through

18、 M27/372-040 inclusive. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-27/372 5 Referenced documents. In addition to MIL-PRF-27, this document references the following: MIL-STD-202 MIL-STD-883 Custodians: Preparing activity: Army - CR DLA -

19、CC Navy - EC Air Force - 85 (Project 5950-2011-005) DLA - CC Review activities: Army AR, MI Navy - AS, MC, OS 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 the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-