1、 MS90539D 7 September 2007 SUPERSEDING MS90539C 11 August 1993 MILITARY SPECIFICATION SHEET COILS, RADIO FREQUENCY, MOLDED, FIXED SUBMINIATURE (IRON CORE), TYPES LT10K022 TO LT10K036 This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requiremen
2、ts for acquiring the products described herein shall consist of this specification and MIL-PRF-15305. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. These coils are intended to be supported by their bodies. 4. Solderable/weldable lead wire, numbe
3、r 22 AWG, tinned solid copper wire. FIGURE 1. Dimensions and configuration. AMSC N/A FSC 5950 INCH-POUND Inactive for new design. Dimensions in inches with metric equivalents (mm) in parentheses LTR Minimum Maximum A B C D .180 (4.57) .430 (10.92) 1.250 (31.75) .023 (0.58) .200 (5.08) .450 (11.43) 1
4、.625 (41.28) .027 (0.69) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS90539D 2 REQUIREMENTS: Design, construction, and physical dimensions: See figure 1. Style: LT10 Grade: 1 Class: A Weight: .95 grams, maximum. Operating temperature range: -55C
5、 to +105C. Ambient temperature: +90C 5C. Temperature rise: 15 C, maximum. Terminal pull: 5 pounds, minimum. Altitude: 70,000 feet. Shock (specified pulse): Method 213 of MIL-STD-202, test condition I, is applicable. Dielectric withstanding voltage (sea level): Method 301 of MIL-STD-202, test voltage
6、 700 V rms for a minimum of 60 seconds. Barometric pressure (reduced): Method 105 of MIL-STD-202, test condition C, test voltage of 180 V rms for a minimum of 60 seconds. Electrical characteristics: See tables I and II. Inductance: See table I. Q values: See table I. Self-resonant frequency (SRF): S
7、ee table I. DC resistance (DCR): See table I. Part or Identifying Number (PIN): MS90539 - (dash number from table I). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS90539D 3 TABLE 1. Electrical characteristics (initial). Dash Number MS90539 1/ Typ
8、e Designa-tion Inductance (H) 5% Q (min) Test Frequency (MHz) SRF Minimum (MHz) DC resistance Max. (ohms) Rated DC current (mA) -01 LT10K022 270 65 .79 5.6 8.2 110 -02 LT10K023 300 65 .79 5.3 8.7 107 -03 LT10K024 330 65 .79 5.0 9.1 105 -04 LT10K025 360 65 .79 4.7 9.6 102 -05 LT10K026 390 65 .79 4.5
9、10.0 100 -06 LT10K027 430 65 .79 4.3 10.6 97 -07 LT10K028 470 65 .79 4.0 11.1 95 -08 LT10K029 510 65 .79 3.8 11.6 93 -09 LT10K030 560 65 .79 3.6 12.3 91 -10 LT10K031 620 60 .79 3.5 13.0 88 -11 LT10K032 680 60 .79 3.4 13.7 85 -12 LT10K033 750 60 .79 3.3 14.4 83 -13 LT10K034 820 60 .79 3.1 15.1 81 -14
10、 LT10K035 910 60 .79 2.9 15.8 79 -15 LT10K036 1000 60 .79 2.24 16.5 78 1/ The polarizing voltage during the moisture resistance tests is applied with the positive lead connected to the coil terminals tied together, and the negative lead connected to the metal strap. TABLE II. Electrical characterist
11、ics (final). Allowable variation from Initial measurement Allowable percent from specified minimum value in electrical characteristics (initial) table Inspection group Inductance (percent) DC resistance Self-resonant frequency Q Qualification inspection Group II Group III Group IV 2 5 5 - (3% +.001
12、ohm) (2% +.001 ohm) - -8 -10 -10 -10 -15 Conformance inspection group C Subgroup I Subgroup II Subgroup III 2 5 5 - (2% +.001 ohm) (3% +.001 ohm) - -10 -8 -10 -15 -10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS90539D 4 Changes from previous is
13、sue. 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 notations. Bidders and contractors are cautioned to
14、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. MIL-PRF-15305 MIL-STD-202 Custodians: Preparing activity: Army CR DLA CC Navy - EC Air Force - 11 DLA CC Project 5950-2007-
15、046 Review activities: Army AR, MI Navy AS, MC, OS, SH Air Force 19 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 http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
