SLF7055T-4R7N3R1-3PF_TDK/TDK株式会社_固定电感器 4.7uH 30%科恒伟业商城-114ic电子网

<!DOCTYPE html> <html> <head>  <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> <meta name="format-detection" content="telephone=no" /> <title>SLF7055T-4R7N3R1-3PF_TDK/TDK株式会社_固定电感器 4.7uH 30%科恒伟业商城-114ic电子网</title> <meta name="keywords" content="SLF7055T-4R7N3R1-3PF,SLF7055T-4R7N3R1-3PF数据手册,SLF7055T-4R7N3R1-3PF价格"> <meta name="description" content="SLF7055T-4R7N3R1-3PF、固定电感器 4.7uH 30%、TDK株式会社/TDK/TDK株式会社芯片SLF7055T-4R7N3R1-3PF价格由深圳市科恒伟业电子有限公司提供"> <link rel="stylesheet" type="text/css" href="https://oss.114ic.com/layuiadmin/layui/css/layui.css"> <link rel="stylesheet" type="text/css" href="https://oss.114ic.com/js/swiper/swiper.min.css"> <link rel="stylesheet" type="text/css" href="https://oss.114ic.com/css3w/global.css"> <link rel="stylesheet" type="text/css" href="https://oss.114ic.com/css3w/style.css"> <script type="text/javascript" src="https://oss.114ic.com/layuiadmin/layui/layui.js"></script> <script type="text/javascript" src="https://oss.114ic.com/js/jquery.min.js"></script> <script type="text/javascript" src="https://oss.114ic.com/js/swiper/swiper.min.js"></script> <script type="text/javascript" src="https://oss.114ic.com/js3w/main.js"></script> <script type="text/javascript" src="https://oss.114ic.com/js/tw.js"></script> </head> <body> <div class="header"> <div class="head_wrap"></div> <div class="head clear"> <div class="wrap"> <div id="headflt" class="flt">您好，欢迎来到114ic电子网！ <span class="login bg_icon"><a rel="nofollow" title="登录" target="_blank" href="https://member.114ic.com/member/login.asp">登录</a>，<a rel="nofollow" target="_blank" title="QQ快捷登录" href="https://member.114ic.com/member/loginqqapi.asp">QQ登录</a>，<a title="注册" target="_blank" href="https://member.114ic.com/reg/">免费注册</a></span></div> <div class="head_nav frt"> <ul> <li> <a rel="nofollow" title="旗下网站" href="javascript:void(0)">旗下网站<i class="bg_icon"></i></a> <div class="drop"> <ul> <li><a title="ic资料网" target="_blank" href="https://www.114ic.cn">ic资料网</a></li> </ul> </div> </li> <li><a id="zh_tran" rel="nofollow" title="繁体简体转换" href="#" onclick="zh_tran('t');" >繁体中文</a></li> <li><a title="网站地图" href="/about/sitemap.html">网站地图</a></li> <li><a rel="nofollow" title="会员套餐" href="/about/memberfunction.html#0183;3456:443;271140">会员套餐</a></li> <li><a rel="nofollow" title="广告服务" href="/about/ad.html">广告服务</a></li> <li><a rel="nofollow" title="付款方式" href="/about/pay.html">付款方式</a></li> <li><a rel="nofollow" title="联系我们" href="/about/contact.html">联系我们</a></li> <li><a rel="nofollow" title="在线咨询" href="/about/book/">在线咨询</a></li> <li><a rel="nofollow" title="诚信监督" href="/about/creditservice.html">诚信监督</a></li> </ul> </div> </div> </div> <div class="wrap"> <div class="logo flt"> <a href="/" title="114ic电子网"> <img src="https://oss.114ic.com/img/logo.png" alt="114ic电子网"></a> </div> <div class="menu frt"> <ul> <li><a href="/" title="首页">首页</a></li> <li><a href="/info/list1.html" title="商情资讯">商情资讯<i class="bg_icon down"></i></a></li> <li><a href="/fair/" title="电子展会">电子展会<i class="bg_icon down"></i></a></li> <li class="on"><a href="/hotic3/" title="IC芯片/元器件">芯片/元器件<i class="bg_icon down"></i></a></li> <li><a href="/especial/" title="IC芯片采购"><span class="bg_icon hot"></span>采购信息<i class="bg_icon down"></i></a></li> <li><a href="/company/" title="IC芯片供应商">芯片供应商</a></li> <li><a href="/pdf/" title="IC芯片规格书技术资料">技术资料<i class="bg_icon down"></i></a></li> </ul> </div> <div class="menu_wrap"></div> <div class="clear"></div> </div> </div> <div class="mainer"> <div class="wrap"> <form id="search" name="search" method="post" action="/stock/search.html" > <div class="search_flex"> <div class="search_box"> <div class="select"> <span>IC/元器件</span> <i class="bg_icon down"></i> <input type="hidden" id="searchsort" name="searchsort" value="1" /> <div class="drop"> <ul> <li data-type="1">IC/元器件</li> <li data-type="2">PDF资料</li> <li data-type="3">商情资讯</li> <li data-type="4">丝印</li> </ul> </div> </div> <div class="sel_input"> <input type="text" placeholder="请输入型号或关键词" id="key" name="key" value="SLF7055T-4R7N3R1-3PF" class="select_inp" autocomplete="off" /> <label class="lbl exact">精确</label> </div> <div class="sel_btn"> <input type="hidden" class="exactprefix" name="exactprefix" value=""> <input type="submit" id="submit" name="submit" value="搜索" /> </div> <div class="drop2"> <div class="box box0"> </div> <div class="box box1"> </div> </div> <div class="search_hot"> <ul> <li><a title="IC芯片现货库存" href="/hotic3/">IC现货库存</a></li> <li><a title="NJW21194G" href="/njw21194g/">NJW21194G</a></li><li><a title="ON5030" href="/on5030/">ON5030</a></li><li><a title="PBR951" href="/pbr951/">PBR951</a></li><li><a title="PGA281AIPW" href="/pga281aipw/">PGA281AIPW</a></li><li><a title="STM32F030C6T6" href="/stm32f030c6t6/">STM32F030C6T6</a></li> </ul> </div> </div> <div class="sel_btn2"> <a title="发布紧急采购" rel="nofollow" onclick="window.open("/especial-c0/?key=SLF7055T-4R7N3R1-3PF")" href="javascript:"><span class="bg_icon shopcart"></span>发布紧急采购</a> </div> </div> </form> <div class="page_pos"> <p class="bg_icon"><a title="首页" href="/">首页</a>><a href="/slf7055t-4r7n3r1-3pf/">SLF7055T-4R7N3R1-3PF</a>>芯片详情</p> </div> <div class="pdf_details"> <div class="det_box2"> <h1>SLF7055T-4R7N3R1-3PF 电感器，线圈，扼流圈固定电感器 TDK/TDK株式会社</h1> <div class="flex"> <div class="imgs"> <div id="showbox"><img alt="SLF7055T-4R7N3R1-3PF" src="https://img.114ic.com/imgs/hotic3/202304/0313502470120.jpg" width="157" height="168" /><img alt="SLF7055T-4R7N3R1-3PF参考图片" src="https://img.114ic.com/dgk/photos/TDK%20Photos/SLF7055T-3R3N3R3-3PF.jpg" width="400" height="400" /></div> <p class="warntip">图片仅供参考，请参阅产品规格书</p> <div id="showsum"></div> <p class="showpage"> <a rel="nofollow" title="上一张图片" href="javascript:void(0);" id="showlast"><i class="bg_icon"></i></a> <a rel="nofollow" title="下一张图片" href="javascript:void(0);" id="shownext"><i class="bg_icon"></i></a> </p> <script src="https://oss.114ic.com/js/common/common.js" type="text/javascript"></script> </div> <div class="text"> <table> <tr> <th><span class="span_tit">订购数量</span></th> <th><span class="span_tit">价格</span></th> </tr> <tr><td><span>1+</span></td><td><label>面议</label></td></tr> </table> <ul> <li><span class="span_tit">厂家型号：</span><h3>SLF7055T-4R7N3R1-3PF</h3></li><li><span class="span_tit">产品分类：</span><p>芯片</p></li><li><span class="span_tit">生产厂商：</span><p><a target="_blank" title="TDK/TDK株式会社" href="/brand/128.html">TDK</a></p></li><li><span class="span_tit">库存数量：</span><p>15000</p></li><li><span class="span_tit">产品封装：</span><p>SMD</p></li><li><span class="span_tit">生产批号：</span><p>22+</p></li><li><span class="span_tit">库存类型：</span><p><a target="_blank" title="现货库存" href="/hotic3/">现货库存</a></p></li><li><span class="span_tit">更新时间：</span><p>2025-3-27 10:13:00</p></li> </ul> <div class="btns"> <a class="on" title="SLF7055T-4R7N3R1-3PF数据手册规格书PDF中文资料下载" target="_blank" href="/slf7055t-4r7n3r1-3pf/pdf-4338679.html"><i class="bg_icon i-icon6"></i>数据手册</a> <a title="SLF7055T-4R7N3R1-3PF货源" target="_blank" href="https://www.114ic.com/slf7055t-4r7n3r1-3pf/"><i class="bg_icon i-icon7" ></i>更多货源</a> </div> </div> </div> <div class="det_tag"> <div class="tab_tit"> <ul class="clear"> <li class="on"><span>详细信息</span></li> <li><span>规格书下载</span></li> </ul> </div> <div class="tag_items"> <div class="item"> <p><span>原厂料号：</span>SLF7055T-4R7N3R1-3PF<span class="ml10">品牌：</span>TDK</p> <p>只做原装正品假一赔十！正规渠道订货！</p> <p> </p><p>SLF7055T-4R7N3R1-3PF是电感器，线圈，扼流圈 > 固定电感器。制造商TDK/TDK Corporation生产封装SMD/非标准的SLF7055T-4R7N3R1-3PF固定电感器电感器也称为线圈、扼流圈或电抗器，是一种无源双端电子元件；当电流流过其中时，它会在磁场中储存能量。当电流变化时，磁场会在导体中感应出电压。感应电压的极性与产生它的电流变化相反。电感的单位是亨利 (H)。安装选项包括表面、通孔和底座。</p> </div> <div class="item"> <ul class="pdf"> <li> <span>芯片型号：</span> <p>SLF7055T-4R7N3R1-3PF</p> </li> <li> <span>规格书：</span> <p> <a target="_blank" title="SLF7055T-4R7N3R1-3PF规格书PDF资料下载" href="https://www.114ic.com/slf7055t-4r7n3r1-3pf/pdf.html" class="pdfdown">下载</a> <a target="_blank" title="SLF7055T-4R7N3R1-3PF规格书PDF资料下载地址2" href="https://media.digikey.com/pdf/Data%20Sheets/TDK%20PDFs/SLF7055_Type.pdf" class="pdfdown">下载2</a> </p> </li> <li> <span>企业简称：</span> <p>TDK【TDK株式会社】<a class="f_dblue ml10" target="_blank" title="TDK详情" href="/brand/128.html">详情</a> </p> </li><li> <span>厂商全称：</span> <p>TDK Corporation </p> </li> <li> <span>中文名称：</span> <p>东电化（中国）投资有限公司</p> </li> <li> <span>内容页数：</span> <p>49 页</p> </li> <li> <span>文件大小：</span> <p>7182.72 kb</p> </li> <li> <span>资料说明：</span> <p>Inductors for Power Circuits Wound Ferrite SLFseries</p> </li> </ul> </div> </div> </div> <div class="box_pa"> <div class="title"> <h2>产品属性</h2><a title="SLF7055T-4R7N3R1-3PF产品属性参数详情" target="_blank" href="/slf7055t-4r7n3r1-3pf/dgk-2926551.html" class="more">更多</a> </div> <ul class="product-attributes"> <li><span>类型</span><p>描述</p></li> <li><span>产品编号：</span><p>SLF7055T-4R7N3R1-3PF</p></li><li><span>制造商：</span><p>TDK Corporation</p></li><li><span>类别：</span><p><a target="_blank" title="电感器，线圈，扼流圈 > 固定电感器" href="https://hotic.114ic.com/dgkcate546.html">电感器，线圈，扼流圈 > 固定电感器</a></p></li><li><span>系列：</span><p>SLF</p></li><li><span>包装：</span><p>散装</p></li><li><span>类型：</span><p>鼓芯，绕线式</p></li><li><span>材料 - 磁芯：</span><p>铁氧体</p></li><li><span>容差：</span><p>±30%</p></li><li><span>电流 - 饱和（Isat）：</span><p>3.6A</p></li><li><span>屏蔽：</span><p>屏蔽</p></li><li><span>DC 电阻 (DCR)：</span><p>36.4 毫欧最大</p></li><li><span>工作温度：</span><p>-40°C ~ 105°C</p></li><li><span>安装类型：</span><p>表面贴装型</p></li><li><span>封装/外壳：</span><p>非标准</p></li><li><span>大小 / 尺寸：</span><p>0.276" 长 x 0.276" 宽（7.00mm x 7.00mm）</p></li><li><span>高度 - 安装（最大值）：</span><p>0.228"（5.80m</p></li><li><span>描述：</span><p>FIXED IND 4.7UH 3.1A 36.4MOHM SM</p></li></ul> </div> </div> <div class="det_rt"> <div class="box box_contact tjdet" data-uid="1158565"> <h3>供应商</h3> <ul><li><span>企业：</span><p>深圳市科恒伟业电子有限公司</p></li><li><span>商铺：</span><p><a class="comp" title="深圳市科恒伟业电子有限公司" target="_blank" href="https://khwy.114ic.com">进入商铺</a></p></li><li><span>联系人：</span><p>王先生/冯小姐</p></li><li><span>手机：</span><p>15817279218</p></li><li><span>询价：</span><div class="wxqq"><a class="a-wxs bg_icon tjwx" data-uid="1158565" rel="nofollow"><div class="dropwx"><img src="https://img.114ic.com/imgb/myimg/202403/2211592309802.jpg"></div></a><a class="a-qqs bg_icon tjqq" data-uid="1158565" data-sm="2853860109" rel="nofollow" title="点击聊天 QQ:2853860109" href="https://wpa.qq.com/msgrd?v=3&uin=2853860109&Site=www.114ic.com&Menu=yes" target="_blank"></a></div></li><li><span>电话：</span><p>0755-83200050/82569753</p></li><li><span>地址：</span><p>深圳市福田区振兴路101号华匀1栋5楼B14</p></li></ul> </div> <div class="box"> <div class="page_tit tit2"> <h3>相关型号</h3> </div> <div class="list9"> <ul><li><a title="SLF7055T-4R7N3R1-3PF" href="/slf7055t-4r7n3r1-3pf/hotic3-2177547.html">SLF7055T-4R7N3R1-3PF</a></li><li><a title="SLG4C43576V" href="/slg4c43576v/hotic3-2192984.html">SLG4C43576V</a></li><li><a title="SLF12575T-221M1R3" href="/slf12575t-221m1r3/hotic3-2020470.html">SLF12575T-221M1R3</a></li><li><a title="SLG55021-200010V" href="/slg55021-200010v/hotic3-2058211.html">SLG55021-200010V</a></li><li><a title="SLF12565T-470M2R4-PF" href="/slf12565t-470m2r4-pf/hotic3-1989179.html">SLF12565T-470M2R4-PF</a></li><li><a title="SLG7NT402V" href="/slg7nt402v/hotic3-2110294.html">SLG7NT402V</a></li><li><a title="SLF10165T-150M3R13PF" href="/slf10165t-150m3r13pf/hotic3-2005510.html">SLF10165T-150M3R13PF</a></li><li><a title="SLIMDIP-L" href="/slimdip-l/hotic3-2217492.html">SLIMDIP-L</a></li><li><a title="SLE95050F2-0320" href="/sle95050f2-0320/hotic3-2045619.html">SLE95050F2-0320</a></li><li><a title="SLM2110CG" href="/slm2110cg/hotic3-2009664.html">SLM2110CG</a></li></ul> </div> </div> </div> </div> <div class="page_box"> <div class="page_title2"> <h3><i class="bg_icon tit7"></i>相近型号</h3> </div> <ul class="ul_list1"> <li><a title="SLD20N03T" href="/sld20n03t/hotic3-2220492.html">SLD20N03T</a></li><li><a title="SLM6500" href="/slm6500/hotic3-2172759.html">SLM6500</a></li><li><a title="SLD140N03T" href="/sld140n03t/hotic3-2220445.html">SLD140N03T</a></li><li><a title="SLM6600" href="/slm6600/hotic3-2000608.html">SLM6600</a></li><li><a title="SLC32PDL300" href="/slc32pdl300/hotic3-2189619.html">SLC32PDL300</a></li><li><a title="SLR-342VRTJ7" href="/slr-342vrtj7/hotic3-2211108.html">SLR-342VRTJ7</a></li><li><a title="SLB9645XT12FW13333" href="/slb9645xt12fw13333/hotic3-2215243.html">SLB9645XT12FW13333</a></li><li><a title="SLRC61003HNE" href="/slrc61003hne/hotic3-2087464.html">SLRC61003HNE</a></li><li><a title="SLA7052M" href="/sla7052m/hotic3-2191254.html">SLA7052M</a></li><li><a title="SLVU2.8-4BTG" href="/slvu2.8-4btg/hotic3-2161927.html">SLVU2.8-4BTG</a></li><li><a title="SL811HST-AXC" href="/sl811hst-axc/hotic3-2026108.html">SL811HST-AXC</a></li><li><a title="SM02B-GHS-TB(LF)(SN)" href="/sm02b-ghs-tb(lf)(sn)/hotic3-2219861.html">SM02B-GHS-TB(LF)(SN)</a></li><li><a title="SL8090" href="/sl8090/hotic3-2215461.html">SL8090</a></li><li><a title="SM02B-SRSS-TB" href="/sm02b-srss-tb/hotic3-2114751.html">SM02B-SRSS-TB</a></li><li><a title="SL3S4011FHK" href="/sl3s4011fhk/hotic3-2110275.html">SL3S4011FHK</a></li><li><a title="SKY85774-11" href="/sky85774-11/hotic3-2076255.html">SKY85774-11</a></li><li><a title="SM02B-SSR-H-TB" href="/sm02b-ssr-h-tb/hotic3-2051540.html">SM02B-SSR-H-TB</a></li><li><a title="SKY85732-11" href="/sky85732-11/hotic3-2051761.html">SKY85732-11</a></li><li><a title="SM0302-CS421-M02" href="/sm0302-cs421-m02/hotic3-2072461.html">SM0302-CS421-M02</a></li><li><a title="SKY77928-11" href="/sky77928-11/hotic3-2051973.html">SKY77928-11</a></li><li><a title="SM03B-GHS-TB(LF)(SN)" href="/sm03b-ghs-tb(lf)(sn)/hotic3-2219858.html">SM03B-GHS-TB(LF)(SN)</a></li><li><a title="SKY77927-21" href="/sky77927-21/hotic3-2202013.html">SKY77927-21</a></li><li><a title="SKY77916-31" href="/sky77916-31/hotic3-2051886.html">SKY77916-31</a></li><li><a title="SM04B-GHS-TB(LF)(SN)" href="/sm04b-ghs-tb(lf)(sn)/hotic3-2219855.html">SM04B-GHS-TB(LF)(SN)</a></li><li><a title="SKY77916-21" href="/sky77916-21/hotic3-2052218.html">SKY77916-21</a></li><li><a title="SKY77912-61" href="/sky77912-61/hotic3-2218054.html">SKY77912-61</a></li><li><a title="SM05B-GHS-TB(LF)(SN)" href="/sm05b-ghs-tb(lf)(sn)/hotic3-2219857.html">SM05B-GHS-TB(LF)(SN)</a></li><li><a title="SKY77908-11" href="/sky77908-11/hotic3-2052430.html">SKY77908-11</a></li><li><a title="SKY77814-11" href="/sky77814-11/hotic3-2051975.html">SKY77814-11</a></li><li><a title="SM06B-GHS-TB(LF)(SN)" href="/sm06b-ghs-tb(lf)(sn)/hotic3-2219856.html">SM06B-GHS-TB(LF)(SN)</a></li><li><a title="SKY77778-51" href="/sky77778-51/hotic3-2051976.html">SKY77778-51</a></li><li><a title="SKY77769-11" href="/sky77769-11/hotic3-2051972.html">SKY77769-11</a></li><li><a title="SKY77765-11" href="/sky77765-11/hotic3-2044353.html">SKY77765-11</a></li><li><a title="SM07B-GHS-TB(LF)(SN)" href="/sm07b-ghs-tb(lf)(sn)/hotic3-2219860.html">SM07B-GHS-TB(LF)(SN)</a></li><li><a title="SKY77645-11" href="/sky77645-11/hotic3-2218053.html">SKY77645-11</a></li><li><a title="SM08B-GHS-TB(LF)(SN)" href="/sm08b-ghs-tb(lf)(sn)/hotic3-2219862.html">SM08B-GHS-TB(LF)(SN)</a></li><li><a title="SKY77621-11" href="/sky77621-11/hotic3-2051905.html">SKY77621-11</a></li><li><a title="SKY77597-11" href="/sky77597-11/hotic3-2192989.html">SKY77597-11</a></li><li><a title="SM10B-GHS-TB(LF)(SN)" href="/sm10b-ghs-tb(lf)(sn)/hotic3-2219859.html">SM10B-GHS-TB(LF)(SN)</a></li><li><a title="SKY77593-21" href="/sky77593-21/hotic3-2052304.html">SKY77593-21</a></li><li><a title="SM16306SJ" href="/sm16306sj/hotic3-2212949.html">SM16306SJ</a></li><li><a title="SKY77569-11" href="/sky77569-11/hotic3-2051806.html">SKY77569-11</a></li><li><a title="SM16LC03-LF" href="/sm16lc03-lf/hotic3-2217459.html">SM16LC03-LF</a></li><li><a title="SKY77568-11" href="/sky77568-11/hotic3-2051879.html">SKY77568-11</a></li><li><a title="SM2082ED" href="/sm2082ed/hotic3-2072882.html">SM2082ED</a></li><li><a title="SKY77553-11" href="/sky77553-11/hotic3-2051900.html">SKY77553-11</a></li><li><a title="SM2082EG" href="/sm2082eg/hotic3-2054632.html">SM2082EG</a></li><li><a title="SKY77551-81" href="/sky77551-81/hotic3-2051977.html">SKY77551-81</a></li><li><a title="SM2082EGS" href="/sm2082egs/hotic3-2065423.html">SM2082EGS</a></li><li><a title="SKY77550-11" href="/sky77550-11/hotic3-2051791.html">SKY77550-11</a></li> </ul> </div> </div> </div> <div class="footer"> <div class="wrap"> <div class="foot"> <div class="foot_lt item"> <div class="logo"> <a title="首页" href="/"><img src="https://oss.114ic.com/img3w/logo_fff.png"></a> </div> <div class="f_qq"> <span>客户服务</span><a rel="nofollow" href="tencent://message/?Uin=524172589&Site=114ic电子网&Menu=yes"></a> <span>网站合作</span><a rel="nofollow" href="tencent://message/?Uin=164055401&Site=114ic电子网&Menu=yes"></a> </div> </div> <div class="foot_list item"> <ul> <li><a rel="nofollow" href="/about/memberfunction.html">会员套餐</a></li> <li><a rel="nofollow" href="/about/ad.html">广告服务</a></li> <li><a rel="nofollow" href="/about/escrow.html">委托交易</a></li> <li><a rel="nofollow" href="/about/job.html">诚聘精英</a></li> <li><a rel="nofollow" href="/about/caution/">黑名单</a></li> <li><a rel="nofollow" href="/about/about.html">关于我们</a></li> <li><a rel="nofollow" href="/about/pay.html">付款方式</a></li> <li><a rel="nofollow" href="/about/contact.html">联系我们</a></li> <li><a rel="nofollow" class="b-r-s-r" href="/about/book/">在线咨询</a></li> </ul> </div> <div class="add_list"> <ul> <li><p>Tel：+86-755-8246-9263</p></li> <li><p>Email：114ic＠114ic.com</p></li> <li><p>投诉建议：web＠114ic.com</p></li> </ul> </div> </div> </div> <div class="copyright"> <p>Copyright © 2003-2025 114ic.com All Rights Reserved <a rel="nofollow" target="_blank" href="https://beian.miit.gov.cn/">粤ICP备05011613号</a> <a rel="nofollow" target="_blank" href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=44030402000933">粤公网安备 44030402000933号</a> </p> </div> </div> <script src="https://oss.114ic.com/js/total.js" type="text/javascript"></script> </body></html>

CINXE.COM

SLF7055T-4R7N3R1-3PF_TDK/TDK株式会社_固定电感器 4.7uH 30%科恒伟业商城-114ic电子网