EDN 5/24/2001 010503MS745 Tables 1 through 4 Table 1: Values of series combinations of two standard 5%-tolerance resistors or inductors or parallel combinations of two 5%-tolerance capacitors 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 10 20 21 22 23 25 26 28 30 32 34 37 40 43 46 49 53 57 61 66 72 78 85 92 101 11 21 22 23 24 26 27 29 31 33 35 38 41 44 47 50 54 58 62 67 73 79 86 93 102 12 22 23 24 25 27 28 30 32 34 36 39 42 45 48 51 55 59 63 68 74 80 87 94 103 13 23 24 25 26 28 29 31 33 35 37 40 43 46 49 52 56 60 64 69 75 81 88 95 104 15 25 26 27 28 30 31 33 35 37 39 42 45 48 51 54 58 62 66 71 77 83 90 97 106 16 26 27 28 29 31 32 34 36 38 40 43 46 49 52 55 59 63 67 72 78 84 91 98 107 18 28 29 30 31 33 34 36 38 40 42 45 48 51 54 57 61 65 69 74 80 86 93 100 109 20 30 31 32 33 35 36 38 40 42 44 47 50 53 56 59 63 67 71 76 82 88 95 102 111 22 32 33 34 35 37 38 40 42 44 46 49 52 55 58 61 65 69 73 78 84 90 97 104 113 24 34 35 36 37 39 40 42 44 46 48 51 54 57 60 63 67 71 75 80 86 92 99 106 115 27 37 38 39 40 42 43 45 47 49 51 54 57 60 63 66 70 74 78 83 89 95 102 109 118 30 40 41 42 43 45 46 48 50 52 54 57 60 63 66 69 73 77 81 86 92 98 105 112 121 33 43 44 45 46 48 49 51 53 55 57 60 63 66 69 72 76 80 84 89 95 101 108 115 124 36 46 47 48 49 51 52 54 56 58 60 63 66 69 72 75 79 83 87 92 98 104 111 118 127 39 49 50 51 52 54 55 57 59 61 63 66 69 72 75 78 82 86 90 95 101 107 114 121 130 43 53 54 55 56 58 59 61 63 65 67 70 73 76 79 82 86 90 94 99 105 111 118 125 134 47 57 58 59 60 62 63 65 67 69 71 74 77 80 83 86 90 94 98 103 109 115 122 129 138 51 61 62 63 64 66 67 69 71 73 75 78 81 84 87 90 94 98 102 107 113 119 126 133 142 56 66 67 68 69 71 72 74 76 78 80 83 86 89 92 95 99 103 107 112 118 124 131 138 147 62 72 73 74 75 77 78 80 82 84 86 89 92 95 98 101 105 109 113 118 124 130 137 144 153 68 78 79 80 81 83 84 86 88 90 92 95 98 101 104 107 111 115 119 124 130 136 143 150 159 75 85 86 87 88 90 91 93 95 97 99 102 105 108 111 114 118 122 126 131 137 143 150 157 166 82 92 93 94 95 97 98 100 102 104 106 109 112 115 118 121 125 129 133 138 144 150 157 164 173 91 101 102 103 104 106 107 109 111 113 115 118 121 124 127 130 134 138 142 147 153 159 166 173 182 The above are series combinations of resistance or inductance values Table 2: Values of series combinations of two standard 5%-tolerance resistors of inductors or parallel combinations of two standard 5%-tolerance capacitors. (The values selected from the top row are multiplied by 0.1 with respect to the values selected fr 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 10 11.0 11.1 11.2 11.3 11.5 11.6 11.8 12.0 12.2 12.4 12.7 13.0 13.3 13.6 13.9 14.3 14.7 15.1 15.6 16.2 16.8 17.5 18.2 19.1 11 12.0 12.1 12.2 12.3 12.5 12.6 12.8 13.0 13.2 13.4 13.7 14.0 14.3 14.6 14.9 15.3 15.7 16.1 16.6 17.2 17.8 18.5 19.2 20.1 12 13.0 13.1 13.2 13.3 13.5 13.6 13.8 14.0 14.2 14.4 14.7 15.0 15.3 15.6 15.9 16.3 16.7 17.1 17.6 18.2 18.8 19.5 20.2 21.1 13 14.0 14.1 14.2 14.3 14.5 14.6 14.8 15.0 15.2 15.4 15.7 16.0 16.3 16.6 16.9 17.3 17.7 18.1 18.6 19.2 19.8 20.5 21.2 22.1 15 16.0 16.1 16.2 16.3 16.5 16.6 16.8 17.0 17.2 17.4 17.7 18.0 18.3 18.6 18.9 19.3 19.7 20.1 20.6 21.2 21.8 22.5 23.2 24.1 16 17.0 17.1 17.2 17.3 17.5 17.6 17.8 18.0 18.2 18.4 18.7 19.0 19.3 19.6 19.9 20.3 20.7 21.1 21.6 22.2 22.8 23.5 24.2 25.1 18 19.0 19.1 19.2 19.3 19.5 19.6 19.8 20.0 20.2 20.4 20.7 21.0 21.3 21.6 21.9 22.3 22.7 23.1 23.6 24.2 24.8 25.5 26.2 27.1 20 21.0 21.1 21.2 21.3 21.5 21.6 21.8 22.0 22.2 22.4 22.7 23.0 23.3 23.6 23.9 24.3 24.7 25.1 25.6 26.2 26.8 27.5 28.2 29.1 22 23.0 23.1 23.2 23.3 23.5 23.6 23.8 24.0 24.2 24.4 24.7 25.0 25.3 25.6 25.9 26.3 26.7 27.1 27.6 28.2 28.8 29.5 30.2 31.1 24 25.0 25.1 25.2 25.3 25.5 25.6 25.8 26.0 26.2 26.4 26.7 27.0 27.3 27.6 27.9 28.3 28.7 29.1 29.6 30.2 30.8 31.5 32.2 33.1 27 28.0 28.1 28.2 28.3 28.5 28.6 28.8 29.0 29.2 29.4 29.7 30.0 30.3 30.6 30.9 31.3 31.7 32.1 32.6 33.2 33.8 34.5 35.2 36.1 30 31.0 31.1 31.2 31.3 31.5 31.6 31.8 32.0 32.2 32.4 32.7 33.0 33.3 33.6 33.9 34.3 34.7 35.1 35.6 36.2 36.8 37.5 38.2 39.1 33 34.0 34.1 34.2 34.3 34.5 34.6 34.8 35.0 35.2 35.4 35.7 36.0 36.3 36.6 36.9 37.3 37.7 38.1 38.6 39.2 39.8 40.5 41.2 42.1 36 37.0 37.1 37.2 37.3 37.5 37.6 37.8 38.0 38.2 38.4 38.7 39.0 39.3 39.6 39.9 40.3 40.7 41.1 41.6 42.2 42.8 43.5 44.2 45.1 39 40.0 40.1 40.2 40.3 40.5 40.6 40.8 41.0 41.2 41.4 41.7 42.0 42.3 42.6 42.9 43.3 43.7 44.1 44.6 45.2 45.8 46.5 47.2 48.1 43 44.0 44.1 44.2 44.3 44.5 44.6 44.8 45.0 45.2 45.4 45.7 46.0 46.3 46.6 46.9 47.3 47.7 48.1 48.6 49.2 49.8 50.5 51.2 52.1 47 48.0 48.1 48.2 48.3 48.5 48.6 48.8 49.0 49.2 49.4 49.7 50.0 50.3 50.6 50.9 51.3 51.7 52.1 52.6 53.2 53.8 54.5 55.2 56.1 51 52.0 52.1 52.2 52.3 52.5 52.6 52.8 53.0 53.2 53.4 53.7 54.0 54.3 54.6 54.9 55.3 55.7 56.1 56.6 57.2 57.8 58.5 59.2 60.1 56 57.0 57.1 57.2 57.3 57.5 57.6 57.8 58.0 58.2 58.4 58.7 59.0 59.3 59.6 59.9 60.3 60.7 61.1 61.6 62.2 62.8 63.5 64.2 65.1 62 63.0 63.1 63.2 63.3 63.5 63.6 63.8 64.0 64.2 64.4 64.7 65.0 65.3 65.6 65.9 66.3 66.7 67.1 67.6 68.2 68.8 69.5 70.2 71.1 68 69.0 69.1 69.2 69.3 69.5 69.6 69.8 70.0 70.2 70.4 70.7 71.0 71.3 71.6 71.9 72.3 72.7 73.1 73.6 74.2 74.8 75.5 76.2 77.1 75 76.0 76.1 76.2 76.3 76.5 76.6 76.8 77.0 77.2 77.4 77.7 78.0 78.3 78.6 78.9 79.3 79.7 80.1 80.6 81.2 81.8 82.5 83.2 84.1 82 83.0 83.1 83.2 83.3 83.5 83.6 83.8 84.0 84.2 84.4 84.7 85.0 85.3 85.6 85.9 86.3 86.7 87.1 87.6 88.2 88.8 89.5 90.2 91.1 91 92.0 92.1 92.2 92.3 92.5 92.6 92.8 93.0 93.2 93.4 93.7 94.0 94.3 94.6 94.9 95.3 95.7 96.1 96.6 97.2 97.8 98.5 99.2 100.1 The above values are series combinations of resistances or inductances in the left column with 1/10th of the value in the top row (includes scale factor). Table 3: Ratios of standard 5%-tolerance component values (Value at each intersection is the value at the top of the column divided by the value at the left end of the row.) 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 10 1 1.1 1.2 1.3 1.5 1.6 1.8 2 2.2 2.4 2.7 3 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 11 0.909090909 1 1.090909091 1.181818182 1.363636364 1.454545455 1.636363636 1.818181818 2 2.181818182 2.454545455 2.727272727 3 3.272727273 3.545454545 3.909090909 4.272727273 4.636363636 5.090909091 5.636363636 6.181818182 6.818181818 7.454545455 8.272727273 12 0.833333333 0.916666667 1 1.083333333 1.25 1.333333333 1.5 1.666666667 1.833333333 2 2.25 2.5 2.75 3 3.25 3.583333333 3.916666667 4.25 4.666666667 5.166666667 5.666666667 6.25 6.833333333 7.583333333 13 0.769230769 0.846153846 0.923076923 1 1.153846154 1.230769231 1.384615385 1.538461538 1.692307692 1.846153846 2.076923077 2.307692308 2.538461538 2.769230769 3 3.307692308 3.615384615 3.923076923 4.307692308 4.769230769 5.230769231 5.769230769 6.307692308 7 15 0.666666667 0.733333333 0.8 0.866666667 1 1.066666667 1.2 1.333333333 1.466666667 1.6 1.8 2 2.2 2.4 2.6 2.866666667 3.133333333 3.4 3.733333333 4.133333333 4.533333333 5 5.466666667 6.066666667 16 0.625 0.6875 0.75 0.8125 0.9375 1 1.125 1.25 1.375 1.5 1.6875 1.875 2.0625 2.25 2.4375 2.6875 2.9375 3.1875 3.5 3.875 4.25 4.6875 5.125 5.6875 18 0.555555556 0.611111111 0.666666667 0.722222222 0.833333333 0.888888889 1 1.111111111 1.222222222 1.333333333 1.5 1.666666667 1.833333333 2 2.166666667 2.388888889 2.611111111 2.833333333 3.111111111 3.444444444 3.777777778 4.166666667 4.555555556 5.055555556 20 0.5 0.55 0.6 0.65 0.75 0.8 0.9 1 1.1 1.2 1.35 1.5 1.65 1.8 1.95 2.15 2.35 2.55 2.8 3.1 3.4 3.75 4.1 4.55 22 0.454545455 0.5 0.545454545 0.590909091 0.681818182 0.727272727 0.818181818 0.909090909 1 1.090909091 1.227272727 1.363636364 1.5 1.636363636 1.772727273 1.954545455 2.136363636 2.318181818 2.545454545 2.818181818 3.090909091 3.409090909 3.727272727 4.136363636 24 0.416666667 0.458333333 0.5 0.541666667 0.625 0.666666667 0.75 0.833333333 0.916666667 1 1.125 1.25 1.375 1.5 1.625 1.791666667 1.958333333 2.125 2.333333333 2.583333333 2.833333333 3.125 3.416666667 3.791666667 27 0.37037037 0.407407407 0.444444444 0.481481481 0.555555556 0.592592593 0.666666667 0.740740741 0.814814815 0.888888889 1 1.111111111 1.222222222 1.333333333 1.444444444 1.592592593 1.740740741 1.888888889 2.074074074 2.296296296 2.518518519 2.777777778 3.037037037 3.37037037 30 0.333333333 0.366666667 0.4 0.433333333 0.5 0.533333333 0.6 0.666666667 0.733333333 0.8 0.9 1 1.1 1.2 1.3 1.433333333 1.566666667 1.7 1.866666667 2.066666667 2.266666667 2.5 2.733333333 3.033333333 33 0.303030303 0.333333333 0.363636364 0.393939394 0.454545455 0.484848485 0.545454545 0.606060606 0.666666667 0.727272727 0.818181818 0.909090909 1 1.090909091 1.181818182 1.303030303 1.424242424 1.545454545 1.696969697 1.878787879 2.060606061 2.272727273 2.484848485 2.757575758 36 0.277777778 0.305555556 0.333333333 0.361111111 0.416666667 0.444444444 0.5 0.555555556 0.611111111 0.666666667 0.75 0.833333333 0.916666667 1 1.083333333 1.194444444 1.305555556 1.416666667 1.555555556 1.722222222 1.888888889 2.083333333 2.277777778 2.527777778 39 0.256410256 0.282051282 0.307692308 0.333333333 0.384615385 0.41025641 0.461538462 0.512820513 0.564102564 0.615384615 0.692307692 0.769230769 0.846153846 0.923076923 1 1.102564103 1.205128205 1.307692308 1.435897436 1.58974359 1.743589744 1.923076923 2.102564103 2.333333333 43 0.23255814 0.255813953 0.279069767 0.302325581 0.348837209 0.372093023 0.418604651 0.465116279 0.511627907 0.558139535 0.627906977 0.697674419 0.76744186 0.837209302 0.906976744 1 1.093023256 1.186046512 1.302325581 1.441860465 1.581395349 1.744186047 1.906976744 2.11627907 47 0.212765957 0.234042553 0.255319149 0.276595745 0.319148936 0.340425532 0.382978723 0.425531915 0.468085106 0.510638298 0.574468085 0.638297872 0.70212766 0.765957447 0.829787234 0.914893617 1 1.085106383 1.191489362 1.319148936 1.446808511 1.595744681 1.744680851 1.936170213 51 0.196078431 0.215686275 0.235294118 0.254901961 0.294117647 0.31372549 0.352941176 0.392156863 0.431372549 0.470588235 0.529411765 0.588235294 0.647058824 0.705882353 0.764705882 0.843137255 0.921568627 1 1.098039216 1.215686275 1.333333333 1.470588235 1.607843137 1.784313725 56 0.178571429 0.196428571 0.214285714 0.232142857 0.267857143 0.285714286 0.321428571 0.357142857 0.392857143 0.428571429 0.482142857 0.535714286 0.589285714 0.642857143 0.696428571 0.767857143 0.839285714 0.910714286 1 1.107142857 1.214285714 1.339285714 1.464285714 1.625 62 0.161290323 0.177419355 0.193548387 0.209677419 0.241935484 0.258064516 0.290322581 0.322580645 0.35483871 0.387096774 0.435483871 0.483870968 0.532258065 0.580645161 0.629032258 0.693548387 0.758064516 0.822580645 0.903225806 1 1.096774194 1.209677419 1.322580645 1.467741935 68 0.147058824 0.161764706 0.176470588 0.191176471 0.220588235 0.235294118 0.264705882 0.294117647 0.323529412 0.352941176 0.397058824 0.441176471 0.485294118 0.529411765 0.573529412 0.632352941 0.691176471 0.75 0.823529412 0.911764706 1 1.102941176 1.205882353 1.338235294 75 0.133333333 0.146666667 0.16 0.173333333 0.2 0.213333333 0.24 0.266666667 0.293333333 0.32 0.36 0.4 0.44 0.48 0.52 0.573333333 0.626666667 0.68 0.746666667 0.826666667 0.906666667 1 1.093333333 1.213333333 82 0.12195122 0.134146341 0.146341463 0.158536585 0.182926829 0.195121951 0.219512195 0.243902439 0.268292683 0.292682927 0.329268293 0.365853659 0.402439024 0.43902439 0.475609756 0.524390244 0.573170732 0.62195122 0.682926829 0.756097561 0.829268293 0.914634146 1 1.109756098 91 0.10989011 0.120879121 0.131868132 0.142857143 0.164835165 0.175824176 0.197802198 0.21978022 0.241758242 0.263736264 0.296703297 0.32967033 0.362637363 0.395604396 0.428571429 0.472527473 0.516483516 0.56043956 0.615384615 0.681318681 0.747252747 0.824175824 0.901098901 1 Table 4: Values of parallel combinations of two standard 5%-tolerance resistors or inductors or series combinations of two standard 5%-tolerance capacitors 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 10 5.00 5.24 5.45 5.65 6.00 6.15 6.43 6.67 6.88 7.06 7.30 7.50 7.67 7.83 7.96 8.11 8.25 8.36 8.48 8.61 8.72 8.82 8.91 9.01 11 5.24 5.50 5.74 5.96 6.35 6.52 6.83 7.10 7.33 7.54 7.82 8.05 8.25 8.43 8.58 8.76 8.91 9.05 9.19 9.34 9.47 9.59 9.70 9.81 12 5.45 5.74 6.00 6.24 6.67 6.86 7.20 7.50 7.76 8.00 8.31 8.57 8.80 9.00 9.18 9.38 9.56 9.71 9.88 10.05 10.20 10.34 10.47 10.60 13 5.65 5.96 6.24 6.50 6.96 7.17 7.55 7.88 8.17 8.43 8.78 9.07 9.33 9.55 9.75 9.98 10.18 10.36 10.55 10.75 10.91 11.08 11.22 11.38 15 6.00 6.35 6.67 6.96 7.50 7.74 8.18 8.57 8.92 9.23 9.64 10.00 10.31 10.59 10.83 11.12 11.37 11.59 11.83 12.08 12.29 12.50 12.68 12.88 16 6.15 6.52 6.86 7.17 7.74 8.00 8.47 8.89 9.26 9.60 10.05 10.43 10.78 11.08 11.35 11.66 11.94 12.18 12.44 12.72 12.95 13.19 13.39 13.61 18 6.43 6.83 7.20 7.55 8.18 8.47 9.00 9.47 9.90 10.29 10.80 11.25 11.65 12.00 12.32 12.69 13.02 13.30 13.62 13.95 14.23 14.52 14.76 15.03 20 6.67 7.10 7.50 7.88 8.57 8.89 9.47 10.00 10.48 10.91 11.49 12.00 12.45 12.86 13.22 13.65 14.03 14.37 14.74 15.12 15.45 15.79 16.08 16.40 22 6.88 7.33 7.76 8.17 8.92 9.26 9.90 10.48 11.00 11.48 12.12 12.69 13.20 13.66 14.07 14.55 14.99 15.37 15.79 16.24 16.62 17.01 17.35 17.72 24 7.06 7.54 8.00 8.43 9.23 9.60 10.29 10.91 11.48 12.00 12.71 13.33 13.89 14.40 14.86 15.40 15.89 16.32 16.80 17.30 17.74 18.18 18.57 18.99 27 7.30 7.82 8.31 8.78 9.64 10.05 10.80 11.49 12.12 12.71 13.50 14.21 14.85 15.43 15.95 16.59 17.15 17.65 18.22 18.81 19.33 19.85 20.31 20.82 30 7.50 8.05 8.57 9.07 10.00 10.43 11.25 12.00 12.69 13.33 14.21 15.00 15.71 16.36 16.96 17.67 18.31 18.89 19.53 20.22 20.82 21.43 21.96 22.56 33 7.67 8.25 8.80 9.33 10.31 10.78 11.65 12.45 13.20 13.89 14.85 15.71 16.50 17.22 17.88 18.67 19.39 20.04 20.76 21.54 22.22 22.92 23.53 24.22 36 7.83 8.43 9.00 9.55 10.59 11.08 12.00 12.86 13.66 14.40 15.43 16.36 17.22 18.00 18.72 19.59 20.39 21.10 21.91 22.78 23.54 24.32 25.02 25.80 39 7.96 8.58 9.18 9.75 10.83 11.35 12.32 13.22 14.07 14.86 15.95 16.96 17.88 18.72 19.50 20.45 21.31 22.10 22.99 23.94 24.79 25.66 26.43 27.30 43 8.11 8.76 9.38 9.98 11.12 11.66 12.69 13.65 14.55 15.40 16.59 17.67 18.67 19.59 20.45 21.50 22.46 23.33 24.32 25.39 26.34 27.33 28.21 29.20 47 8.25 8.91 9.56 10.18 11.37 11.94 13.02 14.03 14.99 15.89 17.15 18.31 19.39 20.39 21.31 22.46 23.50 24.46 25.55 26.73 27.79 28.89 29.88 30.99 51 8.36 9.05 9.71 10.36 11.59 12.18 13.30 14.37 15.37 16.32 17.65 18.89 20.04 21.10 22.10 23.33 24.46 25.50 26.69 27.98 29.14 30.36 31.44 32.68 56 8.48 9.19 9.88 10.55 11.83 12.44 13.62 14.74 15.79 16.80 18.22 19.53 20.76 21.91 22.99 24.32 25.55 26.69 28.00 29.42 30.71 32.06 33.28 34.67 62 8.61 9.34 10.05 10.75 12.08 12.72 13.95 15.12 16.24 17.30 18.81 20.22 21.54 22.78 23.94 25.39 26.73 27.98 29.42 31.00 32.43 33.94 35.31 36.88 68 8.72 9.47 10.20 10.91 12.29 12.95 14.23 15.45 16.62 17.74 19.33 20.82 22.22 23.54 24.79 26.34 27.79 29.14 30.71 32.43 34.00 35.66 37.17 38.92 75 8.82 9.59 10.34 11.08 12.50 13.19 14.52 15.79 17.01 18.18 19.85 21.43 22.92 24.32 25.66 27.33 28.89 30.36 32.06 33.94 35.66 37.50 39.17 41.11 82 8.91 9.70 10.47 11.22 12.68 13.39 14.76 16.08 17.35 18.57 20.31 21.96 23.53 25.02 26.43 28.21 29.88 31.44 33.28 35.31 37.17 39.17 41.00 43.13 91 9.01 9.81 10.60 11.38 12.88 13.61 15.03 16.40 17.72 18.99 20.82 22.56 24.22 25.80 27.30 29.20 30.99 32.68 34.67 36.88 38.92 41.11 43.13 45.50 The above are for parallel combinations of resistance or inductance that are scaled by the above factor.