IR vishay dale document number 34054 revision 02-nov-01 www.vishay.com 28 for technical questions, contact magnetics@vishay .com 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 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 coating: epoxy-uniform roll coated. lead: tinned copper. mechanical specifications terminal strength: 5 pounds pull per mil-std-202, method 211, test condition a. weight: IR-2 = 0.30 gram maximum. IR-4 = 0.65 gram maximum. test equipment* ? h/p 4342a q-meter. ? measurements corporation megacycle meter, model 59. ? wheatstone bridge. *test procedures per mil-c-15305. c max. d a max. 1.25 [31.75] min. 1.63 [41.28] max. b max. model IR-2 IR-4 a (max.) 0.260 [6.60] 0.385 [9.78] b (max.) 0.120 [3.05] 0.180 [4.57] c (max.) 0.330 [8.38] 0.440 [11.18] d 0.0200 0.0015 [0.508 0.038] 0.025 0.002 [0.635 0.051] dimensions in inches [millimeters] envIRonmental performance test specifications conditions barometric pressure thermal shock flammability overload low temperature storage resistance to soldering heat resistance to solvents test condition c test condition a-1 test condition a 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 operating temperature range 0.15 h to 4.7 h = + 35 c @ + 90 c ambient. 5.6 h to 33 h = + 15 c @ + 90 c ambient. 36 h to 240 h = + 15 c @ + 90 c ambient. 270 h to 1800 h = + 35 c @ + 90 c ambient. IR-4 IR-2 0.1 h to 1.0 h = + 35 c @ + 90 c ambient. 1.2 h to 27 h = + 15 c @ + 90 c ambient. 33 h to 1000 h = + 15 c @ + 90 c ambient. maximum temperature rise - 55 c to + 125 c - 55 c to + 105 c - 55 c to + 105 c - 55 c to + 125 c - 55 c to + 125 c - 55 c to + 105 c - 55 c to + 105 c
document number 34054 revision 02-nov-01 www.vishay.com 29 IR vishay dale for technical questions, contact magnetics@vishay .com standard electrical specifications *measured with full length lead. **rated dc current based on maximum temperature rise as shown in table. model ind. ( h) tol. q min. test freq. l & q (mhz) self-resonant* freq. min. (mhz) dcr max. (ohms) rated** dc current (ma) phenolic core IRon core ferrite core phenolic core 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 0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.82 01.0 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 0.15 0.22 0.33 0.47 0.56 0.68 0.82 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 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% 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 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 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 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 0.08 0.09 0.10 0.12 0.14 0.16 0.22 0.30 0.35 0.50 0.60 0.85 1.0 0.18 0.22 0.30 0.40 0.55 0.85 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 0.03 0.055 0.09 0.12 0.135 0.15 0.22 0.29 0.42 0.50 0.65 0.95 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 inductors, epoxy conformal coated, uniform roll coated
IR vishay dale document number 34054 revision 02-nov-01 www.vishay.com 30 for technical questions, contact magnetics@vishay .com standard electrical specifications *measured with full length lead. **rated dc current based on maximum temperature rise as shown in table. ind. ( h) model tol. q min. test freq. l & q (mhz) self-resonant* freq. min. (mhz) dcr max. (ohms) rated** dc current (ma) 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 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 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% 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 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 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.25 0.25 0.25 0.25 0.25 0.25 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 0.50 0.60 0.90 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 ordering information 10 h inductance value 10% inductance tolerance IR-2 model IRon core inductors, epoxy conformal coated, uniform roll coated
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