1、 MS18130E 2 July 2007 SUPERSEDING MS18130D 18 January 1995 MILITARY SPECIFICATION SHEET COILS, RADIO FREQUENCY, MOLDED, FIXED, MICROMINIATURE, (IRON CORE), TYPES LT4K074 TO LT4K089 This specification is approved for use by all Depart- ments and Agencies of the Department of Defense. The requirements
2、 for acquiring the products described herein shall consist of this specification and MIL-PRF-15305. Dimensions in inches with metric Equivalents (mm) in parentheses Ltr Minimum Maximum A B C D .146 (3.71) .365 (9.27) 1.250 (31.75) .023 (0.58) .166 (4.22) .385 (9.78) 1.625 (41.28) .027 (0.69) NOTES:
3、1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. These coils are intended to be supported by their leads. 4. Solderable/weldable lead wire, AWG number 22. FIGURE 1. Dimensions and configuration. AMSC N/A FSC 5950 INCH-POUND Inactive for new design after 1
4、6 September 1985. For new design use MIL-PRF-39010/6. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS18130E 2 REQUIREMENTS: Design, construction, and physical dimensions: See figure 1. Style: LT4. Grade: 1. Class: B. Weight: 0.0247 ounce, maximum.
5、 Operating temperature range: -55C to +125C. Ambient temperature: 90C maximum. Temperature rise: 35C 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: At sea level: Met
6、hod 301 of MIL-STD-202, test voltage 1,000 V rms for a minimum of 60 seconds. At reduced barometric pressure: Method 105 of MIL-STD-202, test condition C, test voltage 200 V rms for a minimum of 60 seconds. Electrical characteristics: See table I and table II. Inductance: See table I. Q values: See
7、table I. Self-resonant frequency (SRF): See table I. DC resistance (DCR): See table I. Part or Identifying Number (PIN): MS18130- (dash number from table I). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS18130E 3 TABLE I. Electrical characteristi
8、cs (initial). Dash number 1/ 2/ Type designation Superseded MS PIN Inductance (H) Q (min) Test frequency (MHz) SRF min (MHz) DC resistance (ohms) Rated dc current (mA) -1 LT4K074 MS16225-1 0.15 20% 50 25 525 .03 2,450 -2 LT4K075 MS16225-2 0.22 20% 50 25 450 .055 1,810 -3 LT4K076 MS16225-3 0.33 20% 4
9、5 25 360 .09 1,400 -4 LT4K077 MS16225-4 0.47 20% 45 25 310 .12 1,225 -5 LT4K078 MS16225-5 0.56 10% 50 25 280 .135 1,150 -6 LT4K079 MS16225-6 0.68 10% 50 25 250 .15 1,100 -7 LT4K080 MS16225-7 0.82 10% 50 25 220 .22 900 -8 LT4K081 MS16225-8 1.00 10% 50 25 200 .29 785 -9 LT4K082 MS16225-9 1.20 10% 33 7
10、.9 180 .42 650 -10 LT4K083 MS16225-10 1.50 10% 33 7.9 160 .50 600 -11 LT4K084 MS16225-11 1.80 10% 33 7.9 150 .65 525 -12 LT4K085 MS16225-12 2.20 10% 33 7.9 135 .95 435 -13 LT4K086 MS16225-13 2.70 10% 33 7.9 120 1.20 385 -14 LT4K087 MS16225-14 3.30 10% 33 7.9 110 2.00 300 -15 LT4K088 MS16225-15 3.90
11、10% 33 7.9 100 2.30 280 -16 LT4K089 MS16225-16 4.70 10% 33 7.9 90 2.60 260 1/ The dash number added to MS military standard number constitutes the MS PIN; for example MS18130-1. 2/ The former MS PINs MS18130-17 through MS18130-26 have been superseded by MS14046-1 through MS14046-10, respectively. TA
12、BLE II. Electrical characteristics (final). 1/ 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 Gro
13、up III Group IV 2/ 2 5 5 - (3% +.001 ohm) (2% +.001 ohm) - -8 -10 -10 -10 -15 Conformance inspection group C Subgroup I Subgroup II 2/ Subgroup III 2 5 5 - (2% +.001 ohm) (3% +.001 ohm) - -10 -8 -10 -15 -10 1/ Test fixture allowance of +.01 H shall be added to all change in inductance limits ( _ per
14、cent +.01 H). 2/ 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. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
15、IHS-,-,-MS18130E 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 notations
16、. 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-15305, this document references MIL-STD-202. Custodians:
17、Preparing activity: Army CR DLA CC Navy EC Air Force 11 (Project 5950-2007-011) DLA - CC Review activities: Army AR, CR4, 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-,-,-
