关于功率电感

发表于 2008-7-28 02:02

不知各位在开关电源中使用的功率电感是怎么弄得，买现成的还是自己缠的，我需要的电流大概10安培，有卖的吗，最好是贴片的

发表于 2008-7-28 14:16

楼主要多大电感量的？大电流贴片电感的电感量一般都不会大，uH甚至nH级的。

发表于 2008-7-28 17:13

我需要的是100UH的，有吗

发表于 2008-7-29 07:14

<table class=ubb cellspacing=0><TR><td class=ubb><table class=ubb cellspacing=0><TR><td class=ubb> 联系方法：</td></TR></table><table class=ubb cellspacing=0><TR><td class=ubb> 　公司名称：</td><td class=ubb> 上海甘林电子公司</td></TR><TR><td class=ubb> 　公司电话：</td><td class=ubb> 021-53085219</td></TR><TR><td class=ubb> 　联 系 人：</td><td class=ubb> 林先生</td></TR><TR><td class=ubb> 　公司传真：</td><td class=ubb> 021-53085219</td></TR><TR><td class=ubb> 　E - mail：</td><td class=ubb> linyangbin@sohu.com(<a href="mailto:linyangbin@sohu.com">linyangbin@sohu.com</a>)</td></TR></table></td></TR><TR><td class=ubb>　</td></TR><TR><td class=ubb><table class=ubb cellspacing=0><TR><td class=ubb> 公司地址：</td><td class=ubb> 上海市北京东路668号C座2楼2F79</td></TR><TR><td class=ubb> 移动电话：</td><td class=ubb> 13701667151</td></TR><TR><td class=ubb> 　E - mail：</td><td class=ubb> waylyb@cmmail.com(<a href="mailto:waylyb@cmmail.com">waylyb@cmmail.com</a>)</td></TR></table></td></TR></table> Dimensions of  Productions<table class=ubb cellspacing=0><TR><td class=ubb>    TYPE   </td><td class=ubb> DIMENSIONS(Unit:mm)</td><td class=ubb> INDUCTANCE</td></TR><TR><td class=ubb> A(max)</td><td class=ubb> B(max)</td><td class=ubb> C(max)</td><td class=ubb> D</td><td class=ubb> E</td><td class=ubb> F</td><td class=ubb> G</td><td class=ubb> H</td></TR><TR><td class=ubb> SD0402D</td><td class=ubb> 6.60</td><td class=ubb> 4.45</td><td class=ubb> 2.92</td><td class=ubb> 3.94</td><td class=ubb> 1.27</td><td class=ubb> 4.32</td><td class=ubb> 1.02</td><td class=ubb> 3.05</td><td class=ubb> 1uh—1000uh</td></TR><TR><td class=ubb> SD0402T</td><td class=ubb> 6.60</td><td class=ubb> 4.45</td><td class=ubb> 2.92</td><td class=ubb> 4.06</td><td class=ubb> 1.27</td><td class=ubb> 4.32</td><td class=ubb> 1.02</td><td class=ubb> 3.05</td><td class=ubb> 1uh—1000uh</td></TR><TR><td class=ubb> SD0804D</td><td class=ubb> 12.95</td><td class=ubb> 9.40</td><td class=ubb> 5.21</td><td class=ubb> 8.38</td><td class=ubb> 2.54</td><td class=ubb> 7.62</td><td class=ubb> 2.54</td><td class=ubb>   </td><td class=ubb> 1uh—1000uh</td></TR><TR><td class=ubb> SD0804T</td><td class=ubb> 12.95</td><td class=ubb> 9.40</td><td class=ubb> 5.08</td><td class=ubb> 8.38</td><td class=ubb> 2.54</td><td class=ubb> 7.62</td><td class=ubb> 2.54</td><td class=ubb>   </td><td class=ubb> 1uh—47uh</td></TR><TR><td class=ubb> SD1306D</td><td class=ubb> 18.54</td><td class=ubb> 15.24</td><td class=ubb> 7.11</td><td class=ubb> 12.70</td><td class=ubb> 2.54</td><td class=ubb> 12.70</td><td class=ubb> 2.54</td><td class=ubb>   </td><td class=ubb> 1uh—1000uh</td></TR><TR><td class=ubb> SD1306T</td><td class=ubb> 18.54</td><td class=ubb> 15.24</td><td class=ubb> 7.62</td><td class=ubb> 12.70</td><td class=ubb> 2.54</td><td class=ubb> 12.70</td><td class=ubb> 2.54</td><td class=ubb>   </td><td class=ubb> 10uh—1000uh</td></TR></table> <img src="https://bbs.21ic.com/upfiles/img/20079/200791373441578.gif"> SD0402D SERIES <table class=ubb cellspacing=0><TR><td class=ubb> PART NO</td><td class=ubb> L(UH) INDUCTANCE</td><td class=ubb> L TEST FREQUENCY</td><td class=ubb> DCR(Ω) MAX</td><td class=ubb> IDC(A) MAX</td></TR><TR><td class=ubb> SD0402D-1R0M</td><td class=ubb> 1.0</td><td class=ubb> 100KHZ</td><td class=ubb> 0.05</td><td class=ubb> 2.90</td></TR><TR><td class=ubb> SD0402D-1R5M</td><td class=ubb> 1.5</td><td class=ubb> 100KHZ</td><td class=ubb> 0.05</td><td class=ubb> 2.60</td></TR><TR><td class=ubb> SD0402D-2R2M</td><td class=ubb> 2.2</td><td class=ubb> 100KHZ</td><td class=ubb> 0.07</td><td class=ubb> 2.30</td></TR><TR><td class=ubb> SD0402D-3R3M</td><td class=ubb> 3.3</td><td class=ubb> 100KHZ</td><td class=ubb> 0.08</td><td class=ubb> 2.00</td></TR><TR><td class=ubb> SD0402D-4R7M</td><td class=ubb> 4.7</td><td class=ubb> 100KHZ</td><td class=ubb> 0.09</td><td class=ubb> 1.50</td></TR><TR><td class=ubb> SD0402D-6R8M</td><td class=ubb> 6.8</td><td class=ubb> 100KHZ</td><td class=ubb> 0.13</td><td class=ubb> 1.20</td></TR><TR><td class=ubb> SD0402D-100M</td><td class=ubb> 10</td><td class=ubb> 100KHZ</td><td class=ubb> 0.16</td><td class=ubb> 1.10</td></TR><TR><td class=ubb> SD0402D-150M</td><td class=ubb> 15</td><td class=ubb> 100KHZ</td><td class=ubb> 0.23</td><td class=ubb> 0.90</td></TR><TR><td class=ubb> SD0402D-220M</td><td class=ubb> 22</td><td class=ubb> 100KHZ</td><td class=ubb> 0.37</td><td class=ubb> 0.70</td></TR><TR><td class=ubb> SD0402D-330M</td><td class=ubb> 33</td><td class=ubb> 100KHZ</td><td class=ubb> 0.51</td><td class=ubb> 0.58</td></TR><TR><td class=ubb> SD0402D-470M</td><td class=ubb> 47</td><td class=ubb> 100KHZ</td><td class=ubb> 0.64</td><td class=ubb> 0.50</td></TR><TR><td class=ubb> SD0402D-680M</td><td class=ubb> 68</td><td class=ubb> 100KHZ</td><td class=ubb> 0.86</td><td class=ubb> 0.40</td></TR><TR><td class=ubb> SD0402D-101M</td><td class=ubb> 100</td><td class=ubb> 100KHZ</td><td class=ubb> 1.27</td><td class=ubb> 0.31</td></TR><TR><td class=ubb> SD0402D-151M</td><td class=ubb> 150</td><td class=ubb> 100KHZ</td><td class=ubb> 2.00</td><td class=ubb> 0.27</td></TR><TR><td class=ubb> SD0402D-221M</td><td class=ubb> 220</td><td class=ubb> 100KHZ</td><td class=ubb> 2.65</td><td class=ubb> 0.22</td></TR><TR><td class=ubb> SD0402D-331M</td><td class=ubb> 330</td><td class=ubb> 100KHZ</td><td class=ubb> 3.80</td><td class=ubb> 0.18</td></TR><TR><td class=ubb> SD0402D-471M</td><td class=ubb> 470</td><td class=ubb> 100KHZ</td><td class=ubb> 5.06</td><td class=ubb> 0.16</td></TR><TR><td class=ubb> SD0402D-681M</td><td class=ubb> 680</td><td class=ubb> 100KHZ</td><td class=ubb> 9.2</td><td class=ubb> 0.14</td></TR><TR><td class=ubb> SD0402D-102M</td><td class=ubb> 1000</td><td class=ubb> 100KHZ</td><td class=ubb> 13.80</td><td class=ubb> 0.10</td></TR></table> SD0402T SERIES <table class=ubb cellspacing=0><TR><td class=ubb> PART NO</td><td class=ubb> L(UH) INDUCTANCE</td><td class=ubb> L TEST  Q FREQUENCY</td><td class=ubb> Q MIN</td><td class=ubb> DCR(Ω) MAX</td><td class=ubb> IDC(A) MAX</td></TR><TR><td class=ubb> SD0402T-1R0M</td><td class=ubb> 1.0</td><td class=ubb> 100KHZ</td><td class=ubb> 30</td><td class=ubb> 0.040</td><td class=ubb> 3.00</td></TR><TR><td class=ubb> SD0402T-1R5M</td><td class=ubb> 1.5</td><td class=ubb> 100KHZ</td><td class=ubb> 30</td><td class=ubb> 0.045</td><td class=ubb> 2.80</td></TR><TR><td class=ubb> SD0402T-2R2M</td><td class=ubb> 2.2</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.050</td><td class=ubb> 1.80</td></TR><TR><td class=ubb> SD0402T-3R3M</td><td class=ubb> 3.3</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.055</td><td class=ubb> 1.60</td></TR><TR><td class=ubb> SD0402T-4R7M</td><td class=ubb> 4.7</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.060</td><td class=ubb> 1.40</td></TR><TR><td class=ubb> SD0402T-6R8M</td><td class=ubb> 6.8</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.065</td><td class=ubb> 1.20</td></TR><TR><td class=ubb> SD0402T-100M</td><td class=ubb> 10</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.075</td><td class=ubb> 1.00</td></TR><TR><td class=ubb> SD0402T-150M</td><td class=ubb> 15</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.09</td><td class=ubb> 0.80</td></TR><TR><td class=ubb> SD0402T-220M</td><td class=ubb> 22</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.11</td><td class=ubb> 0.70</td></TR><TR><td class=ubb> SD0402T-330M</td><td class=ubb> 33</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.19</td><td class=ubb> 0.60</td></TR><TR><td class=ubb> SD0402T-470M</td><td class=ubb> 47</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.23</td><td class=ubb> 0.50</td></TR><TR><td class=ubb> SD0402T-680M</td><td class=ubb> 68</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.29</td><td class=ubb> 0.40</td></TR><TR><td class=ubb> SD0402T-101M</td><td class=ubb> 100</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.48</td><td class=ubb> 0.30</td></TR><TR><td class=ubb> SD0402T-151M</td><td class=ubb> 150</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.59</td><td class=ubb> 0.26</td></TR><TR><td class=ubb> SD0402T-221M</td><td class=ubb> 220</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 0.77</td><td class=ubb> 0.22</td></TR><TR><td class=ubb> SD0402T-331M</td><td class=ubb> 330</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 1.40</td><td class=ubb> 0.20</td></TR><TR><td class=ubb> SD0402T-471M</td><td class=ubb> 470</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 1.80</td><td class=ubb> 0.19</td></TR><TR><td class=ubb> SD0402T-681M</td><td class=ubb> 680</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 2.20</td><td class=ubb> 0.18</td></TR><TR><td class=ubb> SD0402T-102M</td><td class=ubb> 1000</td><td class=ubb> 100KHZ</td><td class=ubb> 40</td><td class=ubb> 3.40</td><td class=ubb> 0.10</td></TR><TR><td class=ubb> SD0402T-152M</td><td class=ubb> 1500</td><td class=ubb> 100KHz</td><td class=ubb> 50</td><td class=ubb> 4.20</td><td class=ubb> 0.12</td></TR><TR><td class=ubb> SD0402T-222M</td><td class=ubb> 2200</td><td class=ubb> 100KHz</td><td class=ubb> 50</td><td class=ubb> 8.50</td><td class=ubb> 0.10</td></TR><TR><td class=ubb> SD0402T-332M</td><td class=ubb> 3300</td><td class=ubb> 100KHZ</td><td class=ubb> 50</td><td class=ubb> 11.00</td><td class=ubb> 0.08</td></TR><TR><td class=ubb> SD0402T-472M</td><td class=ubb> 4700</td><td class=ubb> 100KHZ</td><td class=ubb> 50</td><td class=ubb> 13.90</td><td class=ubb> 0.06</td></TR><TR><td class=ubb> SD0402T-682M</td><td class=ubb> 6800</td><td class=ubb> 100KHZ</td><td class=ubb> 50</td><td class=ubb> 25.00</td><td class=ubb> 0.04</td></TR><TR><td class=ubb> SD0402T-103M</td><td class=ubb> 10000</td><td class=ubb> 100KHZ</td><td class=ubb> 50</td><td class=ubb> 32.80</td><td class=ubb> 0.02</td></TR></table>   SD0804D SERIES <table class=ubb cellspacing=0><TR><td class=ubb> PART NO</td><td class=ubb> L(UH) INDUCTANCE</td><td class=ubb> L TEST FREQUENCY</td><td class=ubb> DCR(Ω) MAX</td><td class=ubb> IDC(A) MAX</td></TR><TR><td class=ubb> SD0804D-1R0M</td><td class=ubb> 1.0</td><td class=ubb> 100KHZ</td><td class=ubb> 0.009</td><td class=ubb> 9.00</td></TR><TR><td class=ubb> SD0804D-1R5M</td><td class=ubb> 1.5</td><td class=ubb> 100KHZ</td><td class=ubb> 0.010</td><td class=ubb> 8.00</td></TR><TR><td class=ubb> SD0804D-2R2M</td><td class=ubb> 2.2</td><td class=ubb> 100KHZ</td><td class=ubb> 0.012</td><td class=ubb> 7.00</td></TR><TR><td class=ubb> SD0804D-3R3M</td><td class=ubb> 3.3</td><td class=ubb> 100KHZ</td><td class=ubb> 0.015</td><td class=ubb> 6.40</td></TR><TR><td class=ubb> SD0804D-4R7M</td><td class=ubb> 4.7</td><td class=ubb> 100KHZ</td><td class=ubb> 0.018</td><td class=ubb> 5.40</td></TR><TR><td class=ubb> SD0804D-6R8M</td><td class=ubb> 6.8</td><td class=ubb> 100KHZ</td><td class=ubb> 0.027</td><td class=ubb> 4.60</td></TR><TR><td class=ubb> SD0804D-100M</td><td class=ubb> 10</td><td class=ubb> 100KHZ</td><td class=ubb> 0.038</td><td class=ubb> 3.80</td></TR><TR><td class=ubb> SD0804D-150M</td><td class=ubb> 15</td><td class=ubb> 100KHZ</td><td class=ubb> 0.046</td><td class=ubb> 3.00</td></TR><TR><td class=ubb> SD0804D-220M</td><td class=ubb> 22</td><td class=ubb> 100KHZ</td><td class=ubb> 0.085</td><td class=ubb> 2.60</td></TR><TR><td class=ubb> SD0804D-330M</td><td class=ubb> 33</td><td class=ubb> 100KHZ</td><td class=ubb> 0.10</td><td class=ubb> 2.00</td></TR><TR><td class=ubb> SD0804D-470M</td><td class=ubb> 47</td><td class=ubb> 100KHZ</td><td class=ubb> 0.14</td><td class=ubb> 1.60</td></TR><TR><td class=ubb> SD0804D-680M</td><td class=ubb> 68</td><td class=ubb> 100KHZ</td><td class=ubb> 0.20</td><td class=ubb> 1.40</td></TR><TR><td class=ubb> SD0804D-101M</td><td class=ubb> 100</td><td class=ubb> 100KHZ</td><td class=ubb> 0.28</td><td class=ubb> 1.20</td></TR><TR><td class=ubb> SD0804D-151M</td><td class=ubb> 150</td><td class=ubb> 100KHZ</td><td class=ubb> 0.40</td><td class=ubb> 1.00</td></TR><TR><td class=ubb> SD0804D-221M</td><td class=ubb> 220</td><td class=ubb> 100KHZ</td><td class=ubb> 0.61</td><td class=ubb> 0.80</td></TR><TR><td class=ubb> SD0804D-331M</td><td class=ubb> 330</td><td class=ubb> 100KHZ</td><td class=ubb> 1.02</td><td class=ubb> 0.60</td></TR><TR><td class=ubb> SD0804D-471M</td><td class=ubb> 470</td><td class=ubb> 100KHZ</td><td class=ubb> 1.27</td><td class=ubb> 0.50</td></TR><TR><td class=ubb> SD0804D-681M</td><td class=ubb> 680</td><td class=ubb> 100KHZ</td><td class=ubb> 2.02</td><td class=ubb> 0.40</td></TR><TR><td class=ubb> SD0804D-102M</td><td class=ubb> 1000</td><td class=ubb> 100KHZ</td><td class=ubb> 3.00</td><td class=ubb> 0.30</td></TR></table> SD0804T SERIES <table class=ubb cellspacing=0><TR><td class=ubb> PART NO</td><td class=ubb> L(UH) INDUCTANCE</td><td class=ubb> L TEST FREQUENCY</td><td class=ubb> DCR(Ω) MAX</td><td class=ubb> IDC(A) MAX</td></TR><TR><td class=ubb> SD0804T-1R0M</td><td class=ubb> 1.0</td><td class=ubb> 100KHZ</td><td class=ubb> 0.021</td><td class=ubb> 5.60</td></TR><TR><td class=ubb> SD0804T-1R5M</td><td class=ubb> 1.5</td><td class=ubb> 100KHZ</td><td class=ubb> 0.022</td><td class=ubb> 5.20</td></TR><TR><td class=ubb> SD0804T-2R2M</td><td class=ubb> 2.2</td><td class=ubb> 100KHZ</td><td class=ubb> 0.032</td><td class=ubb> 5.00</td></TR><TR><td class=ubb> SD0804T-3R3M</td><td class=ubb> 3.3</td><td class=ubb> 100KHZ</td><td class=ubb> 0.039</td><td class=ubb> 3.90</td></TR><TR><td class=ubb> SD0804T-4R7M</td><td class=ubb> 4.7</td><td class=ubb> 100KHZ</td><td class=ubb> 0.054</td><td class=ubb> 3.20</td></TR><TR><td class=ubb> SD0804T-6R8M</td><td class=ubb> 6.8</td><td class=ubb> 100KHZ</td><td class=ubb> 0.075</td><td class=ubb> 2.80</td></TR><TR><td class=ubb> SD0804T-100M</td><td class=ubb> 10</td><td class=ubb> 100KHZ</td><td class=ubb> 0.101</td><td class=ubb> 2.40</td></TR><TR><td class=ubb> SD0804T-150M</td><td class=ubb> 15</td><td class=ubb> 100KHZ</td><td class=ubb> 0.150</td><td class=ubb> 2.00</td></TR><TR><td class=ubb> SD0804T-220M</td><td class=ubb> 22</td><td class=ubb> 100KHZ</td><td class=ubb> 0.207</td><td class=ubb> 1.60</td></TR><TR><td class=ubb> SD0804T-330M</td><td class=ubb> 33</td><td class=ubb> 100KHZ</td><td class=ubb> 0.334</td><td class=ubb> 1.40</td></TR><TR><td class=ubb> SD0804T-470M</td><td class=ubb> 47</td><td class=ubb> 100KHZ</td><td class=ubb> 0.472</td><td class=ubb> 1.00</td></TR></table>         SD1306D SERIES <table class=ubb cellspacing=0><TR><td class=ubb> PART NO</td><td class=ubb> L(UH) INDUCTANCE</td><td class=ubb> L TEST FREQUENCY</td><td class=ubb> DCR(Ω) MAX</td><td class=ubb> IDC(A) MAX</td></TR><TR><td class=ubb> SD1306D-1R0M</td><td class=ubb> 1.0</td><td class=ubb> 100KHZ</td><td class=ubb> 0.009</td><td class=ubb> 20.0</td></TR><TR><td class=ubb> SD1306D-2R2M</td><td class=ubb> 2.2</td><td class=ubb> 100KHZ</td><td class=ubb> 0.014</td><td class=ubb> 16.0</td></TR><TR><td class=ubb> SD1306D-3R3M</td><td class=ubb> 3.3</td><td class=ubb> 100KHZ</td><td class=ubb> 0.015</td><td class=ubb> 14.0</td></TR><TR><td class=ubb> SD1306D-5R6M</td><td class=ubb> 5.6</td><td class=ubb> 100KHZ</td><td class=ubb> 0.020</td><td class=ubb> 12.0</td></TR><TR><td class=ubb> SD1306D -100M</td><td class=ubb> 10</td><td class=ubb> 100KHZ</td><td class=ubb> 0.031</td><td class=ubb> 10.0</td></TR><TR><td class=ubb> SD1306D -150M</td><td class=ubb> 15</td><td class=ubb> 100KHZ</td><td class=ubb> 0.036</td><td class=ubb> 8.00</td></TR><TR><td class=ubb> SD1306D -220M</td><td class=ubb> 22</td><td class=ubb> 100KHZ</td><td class=ubb> 0.047</td><td class=ubb> 7.00</td></TR><TR><td class=ubb> SD1306D -330M</td><td class=ubb> 33</td><td class=ubb> 100KHZ</td><td class=ubb> 0.066</td><td class=ubb> 5.50</td></TR><TR><td class=ubb> SD1306D -470M</td><td class=ubb> 47</td><td class=ubb> 100KHZ</td><td class=ubb> 0.086</td><td class=ubb> 4.50</td></TR><TR><td class=ubb> SD1306D -680M</td><td class=ubb> 68</td><td class=ubb> 100KHZ</td><td class=ubb> 0.13</td><td class=ubb> 3.50</td></TR><TR><td class=ubb> SD1306D -101M</td><td class=ubb> 100</td><td class=ubb> 100KHZ</td><td class=ubb> 0.19</td><td class=ubb> 3.00</td></TR><TR><td class=ubb> SD1306D -151M</td><td class=ubb> 150</td><td class=ubb> 100KHZ</td><td class=ubb> 0.25</td><td class=ubb> 2.60</td></TR><TR><td class=ubb> SD1306D -221M</td><td class=ubb> 220</td><td class=ubb> 100KHZ</td><td class=ubb> 0.38</td><td class=ubb> 2.40</td></TR><TR><td class=ubb> SD1306D -331M</td><td class=ubb> 330</td><td class=ubb> 100KHZ</td><td class=ubb> 0.56</td><td class=ubb> 1.90</td></TR><TR><td class=ubb> SD1306D -471M</td><td class=ubb> 470</td><td class=ubb> 100KHZ</td><td class=ubb> 0.85</td><td class=ubb> 1.40</td></TR><TR><td class=ubb> SD1306D -681M</td><td class=ubb> 680</td><td class=ubb> 100KHZ</td><td class=ubb> 1.10</td><td class=ubb> 1.20</td></TR><TR><td class=ubb> SD1306D -102M</td><td class=ubb> 1000</td><td class=ubb> 100KHZ</td><td class=ubb> 1.80</td><td class=ubb> 1.00</td></TR></table>

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