1、 MS18100E 29 June 2007 SUPERSEDING MS18100D 25 July 1983 MILITARY SPECIFICATION SHEET COILS, RADIO FREQUENCY, MOLDED, FIXED, SUBMINIATURE, (PHENOLIC CORE), TYPES LT4K200 TO LT4K208 INCL. LT4K220 and LT4K221 This specification is approved for use by all Depart- ments and Agencies of the Department of
2、 Defense. The requirements for acquiring the products described herein shall consist of this specification and MIL-PRF-15305. Dimensions in inches with metric equivalents (mm) in parentheses Dash numbers 1 through 9 Dash numbers 21 and 22 Ltr Minimum Maximum Minimum Maximum A B C D E F G .694 (17.63
3、) .204 (5.18) .189 (4.80) .250 (6.35) .051 (1.30) .590 (14.99) .023 (0.58) .756 (19.20) .266 (6.76) .251 (6.38) .374 (9.50) .071 (1.80) .610 (15.49) .027 (0.69) .594 (15.09) .251 (6.38) .234 (5.94) .250 (6.35) .051 (1.30) .490 (12.45) .023 (0.58) .656 (16.66) .313 (7.95) .296 (7.52) .374 (9.50) .071
4、 (1.80) .510 (12.95) .027 (0.69) NOTES: 1. Dimensions are in inches. 2. Metric equivalents, in parentheses, are given for general information only. 3. These coils are intended to be mounted by the body. 4. Solderable/weldable lead wire, AWG number 22. FIGURE 1. Dimensions and configuration. AMSC N/A
5、 FSC 5950 INCH-POUND Inactive for new design after 25 July 1983. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS18100E 2 REQUIREMENTS: Design, construction, and physical dimensions: See figure 1. Style: LT4. Grade: 1. Class: B. Weight: 1.5 grams,
6、maximum. (Dash numbers 1 through 9) Weight: 1.8 grams, maximum. (Dash numbers 21 and 22) 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-
7、202, test condition I, is applicable. Dielectric withstanding voltage: At sea level: Method 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. Elect
8、rical characteristics: See table I and table II. Inductance: See table I. Q values: See table I. Self-resonant frequency (SRF): See table I. DC resistance (DCR): See table I. Part or Identifying Number (PIN): MS18100- (dash number from table I). VERIFICATION: Quality assurance provisions: Qualificat
9、ion Inspection: Not applicable for this standard. Conformance Inspection: Group A and group B tests of MIL-PRF-15305 shall be applicable. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS18100E 3 TABLE I. Electrical characteristics (initial). Dash n
10、umber 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 LT4K200 MS16226-1 0.47 20% 50 25 250 .06 1,800 -2 LT4K201 MS16226-2 0.68 20% 50 25 215 .10 1,400 -3 LT4K202 MS16226-3 1.00 10% 50 25 180 .15 1,150 -4
11、 LT4K203 MS16226-4 1.50 10% 40 7.9 145 .28 850 -5 LT4K204 MS16226-5 2.20 10% 40 7.9 120 .50 625 -6 LT4K205 MS16226-6 2.70 10% 40 7.9 108 .70 525 -7 LT4K206 MS16226-7 3.30 10% 40 7.9 95 1.40 370 -8 LT4K207 MS16226-8 3.90 10% 40 7.9 90 1.50 350 -9 LT4K208 MS16226-9 4.70 10% 40 7.9 80 1.80 325 -21 LT4K
12、220 MS16226-21 47 10% 15 2.5 8.5 5.9 200 -22 LT4K221 MS16226-22 56 10% 15 2.5 8.3 6.4 175 1/ The dash number added to MS military standard number constitutes the MS PIN; for example MS18100-1. 2/ The former MS part numbers MS18100-10 through MS18100-20 and MS18100-23 through MS18100-42 have been sup
13、erseded as follows: MS18100-10 through MS18100-20 by MS14040-1 through MS14040-11, respectively, MS18100-23 through MS18100-27 by MS14041-1 through MS14041-5, respectively, MS18100-28 through MS18100-32 by MS14042-1 through MS14042-5, respectively, MS18100-33 through MS18100-37 by MS14043-1 through
14、MS14043-5, respectively, MS18100-38 through MS18100-42 by MS14044-1 through MS14044-5, respectively, TABLE II. Electrical characteristics (final). 1/ Allowable variation from Initial measurement Allowable percent from specified minimum value in electrical characteristics (initial) table Inspection g
15、roup Inductance (percent) DC resistance Self-resonant frequency Q Qualification inspection Group II Group 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 -1
16、0 -15 -10 1/ Test fixture allowance of +.01 H shall be added to all change in inductance limits ( _ percent +.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
17、metal strap. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MS18100E 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 conv
18、enience 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 document based on the entire content irrespective of the marginal notations and relationship to the last previous issue.
19、 Referenced documents. In addition to MIL-PRF-15305, this document references MIL-STD-202. Custodians: Preparing activity: Army CR DLA CC Navy EC Air Force 11 (Project 5950-2007-010) DLA - CC Review activities: Army AR, CR4, MI Navy AS, MC, OS, SH Air Force 19 NOTE: The activities listed above were
20、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-,-,-
