DLA MIL-T-27 214 B-2012 TRANSFORMERS AND INDUCTORS (AUDIO POWER AND HIGH-POWER PULSE) INDUCTORS AUDIO FREQUENCY.pdf

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1、 AMSC N/A FSC 5950 INCH-POUND MIL-T-27/214B 4 May 2012 SUPERSEDING MIL-T-27/214A 20 April 1993 MILITARY SPECIFICATION SHEET TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE), INDUCTORS, AUDIO FREQUENCY This specification is approved for use by all Depart- ments and Agencies of the Depar

2、tment of Defense. The requirements for procuring the transformer described herein shall consist of this document and the latest issue of specification MIL-PRF-27. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3 Tolerance on terminal position dimens

3、ions is .010. 4 Marking shall be on the side of the case opposite terminals. 4. Electrical values shall be marked as specified in table I, as applicable. FIGURE 1. Dimensions and configurations 12.150 .437 DIA MAX .270 MAX 1.000MIN.020 DIA “X“ mH“X“ mVWV-250 VALTITUDE-75,000 FT. MAX (SEE TABLE I FOR

4、 VALUE OF “X“) DIRCUIT DIAGRAM AND MARKING“X“ Inactive for new design after 20 April 1993 Inches mm .010 0.25 .020 0.51.150 3.81 .270 6.86.437 11.10 1.000 25.40Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-27/214B 2 REQUIREMENTS: (When number

5、s in parentheses, such as (1-2) are used, they indicate the winding and the extreme terminals of the winding.) Electrical ratings: See table I. Working voltage: 250 volts. Design and construction: Dimensions and configuration: See figure 1. Duty cycle: Continuous. Case: Encapsulated. Material: Epoxy

6、. Terminals: Tinned copper, 24 AWG. Terminal length: 1 inch maximum. Weight: 2 grams maximum. Operating temperature range: -55C to +130C. Altitude: 70,000 feet maximum. Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds. Dielectric withstanding voltage: At sea level: 1,000 volts

7、At reduce barometric pressure: 300 volts Electrical characteristics (see table I): Power level 0.5 watt maximum. Temperature rise: 40C at an ambient temperature of 90C. Vibration (high frequency): MIL-STD-202, method 204, test condition D. VERIFICATION Qualification inspection: Not applicable. Confo

8、rmance inspection: Groups A and B tests of MIL-PRF-27 shall be applicable. Marking location: See figure 1. Part or Identification Number (PIN): M27/214-(dash number from table I.) Supersession data: MIL-T-27/214 supersedes MIL-T-94(USAF) which is inactive for new design. Superseding PINs: M27/214-08

9、, M27/214-11 and M27/214-14 supersedes M27/94-01, M27/94-02 and M27/94-03, respectively. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I. Electrical rating and physical characteristics. Dash No Inductance (mH) (1-2) Voltage (mV) (1-2) Self-re

10、sonant frequency (MHz) (min) DC resistance (ohms) (1-2) (max) Temperature coefficient (-55C to +130C) Quality factor (min) Distrib capacitance (pf) (max) 01 0.05 2% 11.3 9.000 1.89 50 PPM 37 at 300 kHz 6 02 0.10 2% 16.0 6.000 2.64 50 PPM 45 at 250 kHz 7 03 0.33 2% 29.2 2.800 7.20 50 PPM 45 at 250 kH

11、z 10 04 0.47 2% 34.9 2.300 10.00 50 PPM 45 at 250 kHz 10 05 0.47 2% 13.8 2.200 2.30 1% 20 at 20 kHz 11 06 1.00 2% 50.6 1.500 24.50 50 PPM 23 at 400 kHz 15 07 1.00 2% 20.1 1.100 3.94 1% 30 at 20 kHz 21 08 1.00 2% 13.7 1.800 2.30 1% 40 at 100 kHz 6 09 3.30 1% 92.2 0.630 76.00 50 PPM 23 at 100 kHz 19 1

12、0 3.30 1% 36.7 0.720 9.00 1% 30 at 20 kHz 15 11 3.30 1% 25.0 0.860 5.50 1% 40 at 100 kHz 9 12 10.00 1% 160.0 0.310 239.00 50 PPM 23 at 100 kHz 26 13 10.00 1% 43.8 0.390 17.10 1% 27 at 8 kHz 17 14 10.00 1% 65.0 0.475 26.00 0.25% 60 at 100 kHz 15 15 33.00 1% 116.0 0.160 114.00 1% 28 at 20 kHz 30 16 33

13、.00 1% 74.9 0.190 50.20 1% 14 at 5 kHz 21 17 100.00 1% 201.2 0.060 396.00 1% 14 at 10 kHz 70 18 100.00 1% 138.6 0.090 207.00 1% 14 at 5 kHz 31 19 250.00 1% 219.0 0.049 435.00 1% 14 at 5 kHz 42 3 MIL-T-27/214BProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IH

14、S-,-,-MIL-T-27/214B 4 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 whatsoever for any inaccuracies in these notati

15、ons. 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 document references the following: MIL-STD-20

16、2 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5950-2009-077) DLA - CC Review activities: Army AR, 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 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-,-,-