MS21426 Vishay Dale Inductors Military, MIL-PRF-15305 Qualified, Type LT, 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 ELECTRICAL SPECIFICATIONS Inductance Tolerance: ± 10 % standard Insulation Resistance: 1000 Megohm minimum per MIL-STD-202, Method 302, Test Condition B Dielectric Withstanding Voltage: 200 V AC per MIL-STD-202, Method 301 (sea level) Percent Coupling: 3 % maximum per MIL-PRF-15305 Operating Temperature Range: - 55 °C to + 105 °C STANDARD ELECTRICAL SPECIFICATIONS MS21426 IND (µH) TOL. MILITARY STANDARD MILITARY TYPE Q MIN. TEST FREQ. L&Q (MHz) SELFRESONANT* FREQ. MIN. (MHz) DCR MAX. (Ohms) 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 ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % ± 10 % - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23 - 24 - 25 - 26 - 27 - 28 - 29 - 30 - 31 - 32 - 33 - 34 - 35 - 36 - 37 LT10K 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 40 41 43 45 48 49 50 53 54 55 55 57 36 38 40 40 40 41 42 44 44 45 45 40 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 2.5 130 115 105 95 90 80 75 70 60 55 53 50 35 30 26 24 21 20 19 16 15 13 11 10.5 0.73 0.86 0.95 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 12 13 16.8 RATED** DC CURRENT (mA) 247 228 217 202 193 185 173 136 124 118 111 106 122 115 108 96 88 83 75 69 64 61 59 51 IRON CORE MODEL * Measured with full length lead. ** Rated DC Current: Based on the maximum temperature rise not to exceed 15 °C at + 90 °C ambient. www.vishay.com 22 For technical questions contact [email protected] Document Number: 34188 Revision: 16-Mar-06 MS21426 Inductors, Military, MIL-PRF-15305 Qualified, Type LT, Molded, Shielded, Miniature MECHANICAL SPECIFICATIONS Vishay Dale DIMENSIONS in inches [millimeters] Terminal Strength: 3 pounds pull per MIL-STD-202, Method 211, Test Condition A except 180° rotation for a total of 540 °C Weight: 0.30 grams maximums 1.50 ± 0.120 [38.10 ± 3.05] MATERIAL SPECIFICATIONS 0.250 ± 0.010 [6.35 ± 0.254] Encapsulant: Epoxy Standard Terminal: #24 AWG tinned copper 0.095 ± 0.010 [2.41 ± 0.254] 0.020 ± 0.0015 [0.0508 ± 0.038] TEST EQUIPMENT* • H/P 4342A Q-Meter • Measurements Corporation Megacycle Meter, Model 59 • Wheatstone Bridge * Test procedures per MIL-PRF-15305 INDUCTANCE RANGE AND MILITARY STANDARD FROM TO GRADE CLASSIFICATION CLASS CORE SHIELD MILITARY STANDARD 1.2 µH 100 µH 1 A Powered Iron Powered Iron MS21426 INDUCTANCE RANGE MATERIAL ENVIRONMENTAL PERFORMANCE TEST CONDITIONS SPECIFICATIONS Barometric Pressure Test Condition C MIL-STD-202, Method 105 Thermal Shock Test Condition A-1 MIL-STD-202, Method 107 Flammability - MIL-STD-202, Method 111 Overload - MIL-PRF-15305 Low Temperature Storage - MIL-PRF-15305 Resistance to Soldering Heat Test Condition A MIL-STD-202, Method 210 Resistance to Solvents - MIL-STD-202, Method 215 DESCRIPTION - MILITARY PART NUMBER MS21426 - 14 MILITARY STANDARD OR INDUCTANCE VALUE LT 10 K 531 TYPE GRADE AND CLASS FAMILY ID NUMBER NOTE: Listing of military standard does not imply qualification. Contact factory for latest government QPL information. GLOBAL PART NUMBER INFORMATION M S 2 1 MODEL Document Number: 34188 Revision: 16-Mar-06 4 2 6 - 1 4 INDUCTANCE VALUE For technical questions contact [email protected] R U PACKAGE CODE www.vishay.com 23 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1