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| Model IR Vishay Dale Inductors Epoxy Conformal Coated Uniform Roll Coated FEATURES * Flame-retardant coating. * Color band identification. * Excellent envIRonmental characteristics. * Uniform coating is excellent for automatic insertion. * Comparable in quality to molded chokes at a lower price. * Epoxy coating is more durable than lacquer coated models, yet is priced comparably. ELECTRICAL SPECIFICATIONS MECHANICAL SPECIFICATIONS Inductance Tolerance: 1%, 3%, 5%, 10%, 20%. Other tolerances available on request. Insulation Resistance: 1000 Megohm minimum per MIL-STD-202, Method 302, Test Condition B. Dielectric Strength: 1000 VAC per MIL-STD-202, Method 301. MATERIAL SPECIFICATIONS Terminal Strength: 5 pounds pull per MIL-STD-202, Method 211, Test Condition A. Weight: IR-2 = .30 gram maximum. IR-4 = .65 gram maximum. TEST EQUIPMENT* * H/P 4342A Q-Meter. * Measurements Corporation Megacycle Meter, Model 59. * Wheatstone bridge. *Test procedures per MIL-C-15305. ENVIRONMENTAL PERFORMANCE TEST 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 Coating: Epoxy-uniform roll coated. Lead: Tinned copper. DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters] A Max. 1.25 [31.75] Min. 1.63 [41.28] Max. Barometric Pressure Thermal Shock D C Max. Flammability B Max. Overload MODEL IR-2 IR-4 A (Max.) .260 [6.60] .385 [9.78] B (Max.) .120 [3.05] .180 [4.57] D .0200 .0015 [.508 .038] .025 .002 [.635 .051] Low Temperature Storage Resistance to Soldering Heat Resistance to Solvents C (Max.) .330 [8.38] .440 [11.18] MAXIMUM TEMPERATURE RISE IR-2 .1H to 1.0H = + 35C @ + 90C ambient. 1.2H to 27H = + 15C @ + 90C ambient. 33H to 1000H = + 15C @ + 90C ambient. IR-4 .15H to 4.7H = + 35C @ + 90C ambient. 5.6H to 33H = + 15C @ + 90C ambient. 36H to 240H = + 15C @ + 90C ambient. 270H to 1800H = + 35C @ + 90C ambient. - 55C to + 125C - 55C to + 105C - 55C to + 105C - 55C to + 125C OPERATING TEMPERATURE RANGE - 55C to + 125C - 55C to + 105C - 55C to + 105C Document Number 34054 Revision 30-Apr-99 www.vishay.com 109 Model IR Vishay Dale STANDARD ELECTRICAL SPECIFICATIONS IND. MODEL IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-2 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 (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% 10% 10% 10% 20% 20% 20% 20% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% Q MIN. 40 40 38 35 33 33 30 30 30 30 28 28 25 25 28 30 30 37 45 45 45 50 50 55 55 45 40 50 50 50 45 45 45 45 50 50 50 30 30 30 30 30 30 30 30 30 30 30 30 50 50 45 45 50 50 50 50 33 33 33 33 33 33 33 33 TEST FREQ. L&Q (MHz) SELF-RESONANT* FREQ. MIN. (MHz) DCR MAX. (Ohms) RATED** DC CURRENT (mA) .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 82.0 100.0 120.0 150.0 180.0 220.0 270.0 330.0 390.0 470.0 560.0 680.0 820.0 1000.0 .15 .22 .33 .47 .56 .68 .82 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 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 .79 .79 .79 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 7.9 680.0 640.0 600.0 550.0 510.0 430.0 410.0 365.0 330.0 300.0 275.0 250.0 230.0 150.0 140.0 125.0 115.0 100.0 90.0 80.0 75.0 65.0 60.0 55.0 50.0 40.0 35.0 30.0 25.0 20.0 24.0 22.0 20.0 18.0 15.0 14.0 13.0 12.0 11.0 10.0 9.0 8.0 7.0 6.5 6.0 5.0 4.0 3.8 3.4 525.0 450.0 360.0 310.0 280.0 250.0 220.0 200.0 180.0 160.0 150.0 135.0 120.0 110.0 100.0 90.00 .08 .09 .10 .12 .14 .16 .22 .30 .35 .50 .60 .85 1.0 .18 .22 .30 .40 .55 .85 1.0 1.2 1.8 2.0 2.7 3.7 2.7 2.8 3.1 3.3 3.5 3.4 3.6 4.5 5.7 6.7 7.3 8.0 13.0 15.0 17.0 21.0 25.0 28.0 35.0 42.0 46.0 60.0 65.0 72.0 .03 .055 .09 .12 .135 .15 .22 .29 .42 .50 .65 .95 1.20 2.0 2.30 2.60 1350 1270 1200 1105 1025 960 815 700 650 545 495 415 385 590 535 455 395 355 270 250 230 185 175 155 130 155 150 145 140 135 130 125 110 100 92 88 84 66 61 57 52 47 45 40 36 35 30 29 28 2450 1810 1400 1225 1150 1100 900 785 650 600 525 435 385 300 280 260 *Measured with full length lead. **Rated DC Current based on maximum temperature rise as shown in table. www.vishay.com 110 Document Number 34054 Revision 30-Apr-99 PHENOLIC CORE FERRITE CORE IRON CORE PHENOLIC CORE Model IR Vishay Dale STANDARD ELECTRICAL SPECIFICATIONS IND. MODEL IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 IR-4 (H) TOL. 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% Q MIN. 45 50 50 55 65 65 75 75 60 65 60 60 60 55 55 55 55 55 55 50 50 50 60 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 65 55 55 55 55 55 30 30 30 30 30 30 TEST FREQ. L&Q (MHz) SELF-RESONANT* FREQ. MIN. (MHz) DCR MAX. (Ohms) RATED** DC CURRENT (mA) 5.6 6.8 8.2 10.0 12.0 15.0 18.0 22.0 27.0 33.0 36.0 39.0 43.0 47.0 51.0 56.0 62.0 68.0 75.0 82.0 91.0 100.0 110.0 120.0 130.0 150.0 160.0 180.0 200.0 220.0 240.0 270.0 300.0 330.0 360.0 390.0 430.0 470.0 510.0 560.0 620.0 680.0 750.0 820.0 910.0 1000.0 1100.0 1200.0 1300.0 1500.0 1600.0 1800.0 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 2.5 2.5 2.5 2.5 2.5 2.5 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .79 .25 .25 .25 .25 .25 .25 60.0 55.0 50.0 45.0 42.0 40.0 34.0 30.0 25.0 19.0 15.5 14.5 13.7 13.0 12.7 12.0 11.5 11.0 10.5 10.3 10.0 9.5 8.9 8.7 8.5 8.0 7.5 7.0 6.5 6.2 5.9 5.7 5.4 5.1 4.8 4.5 4.2 3.9 3.7 3.5 3.3 3.1 2.9 2.7 2.5 2.3 2.1 2.0 1.9 1.8 1.7 1.6 32 .50 .60 .90 1.10 1.40 2.25 2.50 2.60 3.0 2.50 2.60 2.70 2.75 2.85 3.0 3.15 3.30 3.70 3.90 4.30 4.50 4.90 5.20 5.45 6.05 6.40 6.75 7.10 7.45 7.80 11.0 11.5 12.0 15.5 16.3 17.1 17.9 18.8 24.7 25.9 27.2 28.6 30.0 31.5 33.1 43.5 45.7 49.0 52.5 54.0 56.7 495 395 360 290 265 240 185 175 170 165 180 176 172 170 167 164 160 156 147 143 136 133 128 124 121 114 111 108 106 103 101 129 125 123 108 105 102 100 98 85 83 81 79 77 76 74 64 63 61 59 58 56 *Measured with full length lead. **Rated DC Current based on maximum temperature rise as shown in table. HOW TO ORDER IR-2 MODEL 10H INDUCTANCE VALUE 10% INDUCTANCE TOLERANCE Document Number 34054 Revision 30-Apr-99 www.vishay.com 111 IRON CORE |
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