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| Model IMS-2 Vishay Dale Inductors Military, MIL-C-15305 Qualified, Type LT and Commercial, Molded, Shielded, Miniature FEATURES * Flame retardant coating. * Electromagnetic shield. * Small package for a shielded inductor. * Epoxy molded construction provides superior moisture protection. * Precision performance, excellent reliability, sturdy construction. STANDARD ELECTRICAL SPECIFICATIONS TEST FREQ. L&Q (MHz) IND. (H) TOL. 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% MILITARY STANDARD MS21426 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24 -25 -26 -27 -28 -29 -30 -31 -32 -33 -34 -35 -36 -37 MS21427 -1 -2 -3 -4 -5 -6 -7 -8 -9 MILITARY TYPE LT10K 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 LT10K 555 556 557 558 559 560 561 562 563 Q MIN. 54 52 50 49 47 46 44 42 41 41 39 38 37 40 41 43 45 48 49 50 53 54 55 55 57 36 38 40 40 40 41 42 44 44 45 45 40 31 33 33 35 37 40 38 36 36 SELF-* RESONANT FREQ. MIN. (MHz) DCR MAX. (Ohms) RATED** DC CURRENT (mA) INCREMENTAL*** CURRENT -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 27 24 22 20 18 16 14 13 12 .10 .12 .15 .18 .22 .27 .33 .39 .47 .56 .68 .82 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10.0 12.0 15.0 18.0 22.0 27.0 33.0 39.0 47.0 56.0 68.0 82.0 100.0 120.0 150.0 180.0 220.0 270.0 330.0 390.0 470.0 560.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 25.0 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 .79 .79 .79 .79 .79 .79 .79 .79 .79 490.0 430.0 415.0 375.0 330.0 300.0 260.0 230.0 220.0 210.0 180.0 165.0 150.0 130.0 115.0 105.0 95.0 90.0 80.0 75.0 70.0 60.0 55.0 53.0 50.0 35.0 30.0 26.0 24.0 21.0 20.0 19.0 16.0 15.0 13.0 11.0 10.5 13.0 12.0 11.0 10.0 9.0 8.0 7.8 7.5 7.0 .10 .11 .12 .13 .15 .16 .18 .19 .21 .23 .24 .27 .30 .73 .86 .95 1.1 1.2 1.3 1.5 2.4 2.9 3.2 3.6 4.0 3.0 3.4 3.8 4.9 5.8 6.5 7.9 9.3 11.0 12.0 13.0 16.8 5.8 7.9 9.4 11.0 12.0 16.0 21.0 24.0 28.0 670 635 610 585 545 530 495 485 460 440 430 405 385 247 228 217 202 193 185 173 136 124 118 111 106 122 115 108 96 88 83 75 69 64 61 59 51 88 75 69 64 61 53 46 43 40 *Measured with full length lead. **Rated DC Current: Based on the maximum temperature rise not to exceed 15C at + 90C ambient. ***Incremental Current: The minimum typical current at which the inductance will be decreased by 5% from its initial zero DC value. ELECTRICAL SPECIFICATIONS Inductance Tolerance: 10% standard. 5% available. Insulation Resistance: 1000 Megohm minimum per MIL-STD-202, Method 302, Test Condition B. www.vishay.com 94 Dielectric Withstanding Voltage: 200 VAC per MIL-STD-202, Method 301 (sea level). Percent Coupling: 3% maximum per MIL-C-15305. Operating Temperature Range: - 55C to + 105C. Document Number 34045 Revision 30-Apr-99 Ferrite Core Iron Core Model IMS-2 Vishay Dale MECHANICAL SPECIFICATIONS Terminal Strength: 3 pounds pull per MIL-STD-202, Method 211, Test Condition A except 180 rotation for a total of 540. Weight: IMS-2 = .30 grams maximum. MATERIAL SPECIFICATIONS DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters] Encapsulant: Epoxy. Standard Terminal: #24 AWG tinned copper. TEST EQUIPMENT* 1.50 .120 [38.10 3.05] .250 .010 [6.35 .254] .095 .010 [2.41 .254] * H/P 4342A Q-Meter. * Measurements Corporation Megacycle Meter, Model 59. * Wheatstone Bridge. *Test procedures per MIL-C-15305. .020 .0015 [.508 .038] INDUCTANCE RANGE AND MILITARY STANDARD INDUCTANCE RANGE FROM .10H 120H TO 100H 560H CLASSIFICATION GRADE 1 1 CLASS A A CORE Powdered Iron Ferrite MATERIAL SHIELD Powdered Iron Ferrite MILITARY STANDARD MS21426 MS21427 ENVIRONMENTAL PERFORMANCE TEST Barometric Pressure Thermal Shock Flammability Overload Low Temperature Storage Resistance to Soldering Heat Resistance to Solvents CONDITIONS Test Condition C Test Condition A-1 -- -- -- Test Condition A -- SPECIFICATIONS MIL-STD-202, Method 105 MIL-STD-202, Method 107 MIL-STD-202, Method 111 MIL-C-15305 MIL-C-15305 MIL-STD-202, Method 210 MIL-STD-202, Method 215 HOW TO ORDER IMS-2 MODEL 10H INDUCTANCE VALUE 10% INDUCTANCE TOLERANCE HOW TO ORDER - MILITARY PART NUMBER MS21426 MILITARY STANDARD - 14 INDUCTANCE VALUE OR LT TYPE 10 GRADE AND CLASS K FAMILY 531 ID NUMBER NOTE: Listing of military standard does not imply qualification. Contact factory for latest government QPL information. Document Number 34045 Revision 30-Apr-99 www.vishay.com 95 |
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