document number 34016 revision 07-dec-01 www.vishay.com 37 ihd vishay dale for technical questions, contact magnetics@vishay .com features printed circuit mounting (axial leads). protected by polyolefin tubing. high saturation bobbin used allowing high inductance with low dc resistance. pre-tinned leads. high resistivity core offers very high parallel resistance, resulting in maximum coil performance. 20 sleeveless models available at reduced cost. 15% inductance tolerance dimensions in inches [millimeters] 1.13 [28.70] min. typ. 0.032 [0.813] dia. typ. b max. a dia. max. ordering information 3.9 h inductance value marking model ihd-1 ihd-3 a (max.) 0.270 [6.85] 0.460 [11.68] b (max.) 0.700 [17.78] 0.900 [22.86] ihd-1 model ?vishay dale ?model ?value ?date code electrical specifications inductance: measured at 1v with no dc current. incremental current: the typical current at which the inductance will be decreased by 5% from its initial zero dc value. dielectric rating: 2500vrms between winding and outer circumference to within 0.250" [6.35mm] of the insulating sleeve edge. operating temperature: - 55 c to + 125 c (no load). - 55 c to + 85 c (at full rated current). current rating: maximum continuous. operating current (dc or rms) based on a 40 c temperature rise. mechanical specifications wire: solid soft copper. terminals: 20 awg tinned copper leads. coating: polyolefin tubing - flame retardant ul type vw-1 per mil-i-23053/5, class 3 requirements. core material: ferrite. filter inductors high current #20 awg model ihd-1 model ihd-3 incre- mental current (amps approx.) standard electrical specifications rated current (max. amps) dcr max. (ohms) tol. ind. @ 1khz ( h) incre- mental current (amps approx.) dcr max. (ohms) tol. ind. @ 1khz ( h) rated current (max. amps) 8.2 7.5 6.9 6.3 5.7 5.2 4.7 4.3 3.9 3.5 3.2 2.9 2.7 2.5 2.3 2.1 1.9 1.7 1.6 1.4 1.3 1.2 1.1 0.95 0.88 0.80 0.74 0.67 0.61 0.56 0.51 0.46 0.42 0.38 0.34 0.31 0.29 0.26 0.24 0.22 0.20 0.18 0.17 0.15 0.14 0.12 0.11 0.10 0.09 0.09 0.08 0.07 0.07 0.06 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 3.2 2.5 2.0 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.2 1.0 1.0 0.80 0.80 0.60 0.60 0.60 0.50 0.40 0.40 0.40 0.40 0.32 0.25 0.25 0.25 0.20 0.20 0.16 0.13 0.13 0.13 0.10 0.10 0.10 0.08 0.07 0.07 0.007 0.008 0.011 0.011 0.013 0.016 0.018 0.020 0.022 0.024 0.025 0.028 0.031 0.034 0.043 0.059 0.066 0.084 0.113 0.129 0.150 0.162 0.226 0.257 0.288 0.393 0.504 0.570 0.643 0.844 0.977 1.18 1.50 1.76 2.13 2.53 2.84 3.79 4.24 5.75 6.44 7.30 9.34 10.7 14.8 18.0 22.7 25.7 29.7 33.7 38.0 52.8 67.3 76.0 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 1200.0 1500.0 1800.0 2200.0 2700.0 3300.0 3900.0 4700.0 5600.0 6800.0 8200.0 10000.0 12000.0 15000.0 18000.0 22000.0 27000.0 33000.0 39000.0 47000.0 56000.0 68000.0 82000.0 100000.0 7.0 6.4 5.7 5.2 4.7 4.3 3.9 3.6 3.3 3.0 2.7 2.5 2.3 2.1 1.9 1.7 1.5 1.4 1.3 1.2 1.1 0.97 0.88 0.80 0.73 0.66 0.60 0.54 0.49 0.45 0.40 0.37 0.34 0.31 0.28 0.26 0.23 0.21 0.19 0.18 0.16 0.14 0.13 0.12 0.11 0.10 0.09 0.08 0.08 0.07 0.06 0.06 5.3 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.4 3.2 3.1 3.0 2.8 2.6 2.5 2.4 2.2 1.9 1.8 1.7 1.6 1.4 1.3 1.3 1.1 0.94 0.87 0.83 0.70 0.67 0.62 0.57 0.49 0.47 0.41 0.36 0.33 0.31 0.29 0.25 0.24 0.21 0.20 0.17 0.16 0.15 0.13 0.11 0.10 0.10 0.08 0.08 0.009 0.010 0.011 0.012 0.013 0.014 0.016 0.017 0.022 0.024 0.026 0.028 0.033 0.037 0.040 0.044 0.050 0.070 0.075 0.084 0.104 0.130 0.145 0.152 0.208 0.283 0.330 0.362 0.505 0.557 0.650 0.770 1.03 1.14 1.50 1.98 2.30 2.55 3.0 4.0 4.40 5.80 6.56 8.63 10.1 11.2 15.0 20.8 23.4 26.0 36.0 40.0 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 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 1200 1500 1800 2200 2700 3300 3900 4700 5600 6800 8200 10000 12000 15000 18000 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15% 15%
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