document number 34055 revision 02-nov-01 www.vishay.com 31 IRF vishay dale for technical questions, contact magnetics@vishay .com features ? flame-retardant coating and color band identification. ? uniform coating is excellent for automatic insertion. ? available in bulk, ammo and reel pack per eia rs-296. ? superior electrical specifications high q and self resonant frequency, low dc resistance, high rated dc current. electrical specifications inductance tolerance: 5%, 10%, 20%. other tolerances available on request. insulation resistance: 1000 megohm minimum per mil-std-202, method 302, test condition b. operating temperature range: - 55 c to + 105 c. material specifications coating: epoxy-uniform roll coated. lead: tinned copper. core: ferrite. mechanical specifications terminal strength: 5 pounds pull per mil-std-202, method 211, test condition a. weight: IRF-1 = 0.3 gram maximum. IRF-3 = 0.6 gram maximum. test equipment* ? h/p 4342a q-meter. ? measurements corporation megacycle meter, model 59. ? wheatstone bridge. *test procedures per mil-c-15305. *measured with full length lead. **rated dc current based on a temperature rise of 15 c at + 90 c ambient. model standard electrical specifications inductance ( h) tolerance q minimum test frequency l & q (mhz) self- resonant* freq. min. (mhz) dcr maximum (ohms) rated dc** current (ma) dimensions in inches [millimeters] model IRF-1 IRF-3 1.25 [31.75] min. 1.63 [41.40] max. a max. b max. d c max . a (max.) 0.260 [6.60] 0.385 [9.78] b (max.) 0.120 [3.05] 0.165 [4.19] c (max.) 0.330 [8.38] 0.410 [10.41] d 0.0200 0.0015 [0.508 0.038] 0.025 0.002 [0.635 0.051] environmental performance test flammability overload resistance to soldering heat resistance to solvents specifications mil-std-202, method 111 mil-c-15305 mil-std-202, method 210 mil-std-202, method 215 conditions test condition a inductors epoxy conformal coated uniform roll coated 1350 1270 1200 1155 1150 1110 1110 1000 1000 950 900 900 815 740 700 655 630 595 575 555 530 500 470 425 370 0.06 0.06 0.07 0.075 0.075 0.08 0.08 0.09 0.10 0.11 0.12 0.12 0.15 0.18 0.20 0.23 0.25 0.28 0.30 0.32 0.35 0.40 0.45 0.55 0.72 400.0 400.0 400.0 400.0 380.0 360.0 350.0 320.0 300.0 280.0 250.0 200.0 180.0 165.0 150.0 125.0 115.0 100.0 90.0 80.0 75.0 65.0 60.0 55.0 50.0 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 40 40 40 40 40 40 40 40 40 40 40 40 50 50 50 50 50 50 50 50 50 50 50 50 50 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 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 5.6 6.8 8.2 10.0 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1
IRF vishay dale document number 34055 revision 02-nov-01 www.vishay.com 32 for technical questions, contact magnetics@vishay .com ordering information 10% inductance tolerance IRF-1 model 10 inductance value *measured with full length lead. **rated dc current based on a temperature rise of 15 c at + 90 c ambient. model standard electrical specifications inductance ( h) tolerance q minimum test frequency l & q (mhz) self- resonant* freq. min. (mhz) dcr maximum (ohms) rated dc** current (ma) IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-1 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 IRF-3 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 0.22 0.27 0.33 0.39 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 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 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% 20% 20% 20% 20% 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% 50 50 50 50 50 50 50 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 55 55 55 55 55 55 55 55 55 50 50 55 55 60 65 65 70 70 75 80 85 75 70 65 60 55 55 50 45 40 40 35 30 70 70 70 70 70 70 65 65 65 65 65 65 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 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 40.0 35.0 30.0 25.0 20.0 24.0 22.0 20.0 18.0 15.0 14.0 13.0 5.40 4.75 4.35 4.0 3.70 3.40 2.80 2.55 2.35 2.0 1.85 1.40 380.0 340.0 300.0 280.0 250.0 230.0 210.0 172.0 157.0 144.0 131.0 121.0 110.0 100.0 94.0 86.0 80.0 74.0 68.0 53.0 45.0 42.0 40.0 34.0 30.0 25.0 19.0 14.5 13.0 12.0 11.0 10.3 9.5 3.8 3.5 3.3 3.0 2.8 2.6 2.4 2.25 2.1 1.95 1.85 1.4 0.80 0.88 1.0 1.2 1.35 1.5 1.7 2.3 2.6 2.9 3.2 3.5 3.8 4.4 5.0 5.7 6.5 9.5 10.5 11.6 13.0 18.0 23.0 26.0 0.10 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.19 0.21 0.23 0.25 0.28 0.30 0.34 0.37 0.39 0.43 0.48 0.52 0.58 0.63 0.72 0.77 0.84 0.94 1.03 1.12 1.22 1.34 1.47 1.62 1.8 3.7 4.2 4.6 5.1 5.8 6.4 7.0 7.7 8.5 9.4 10.5 14.0 350 335 315 285 270 255 240 205 195 185 175 165 160 150 140 130 120 100 95 90 85 75 65 60 1400 1320 1280 1200 1150 1100 1030 980 920 880 830 790 750 720 670 640 620 590 550 530 500 480 460 430 410 390 370 350 340 320 305 290 275 185 175 165 155 145 137 133 126 120 113 105 100 inductors , epoxy conformal coated, uniform roll coated
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