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onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201307/30/092930oajotwbrghmw5hmg.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201307/30/0929183evmseyjyyet8eox.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201307/30/0929060099kqc0rq7cmml0.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201307/30/092854ivfd3xzue6auhbrl.jpg" onload="javascript:if(this.width>600)this.width=600;"></div> <div class="postmsg">NT503在灯条上的应用<img src="data/attachment/forum/201311/04/1447193ajjmq1k393hm41y.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201311/04/1446503y3oyjzkk3i39axq.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201311/04/144634kxtikk7jgy7hmhhv.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201311/04/144609x95isciyyccffzfx.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201311/04/144552yzy222855avhdwl5.jpg" onload="javascript:if(this.width>600)this.width=600;"></div> <div class="postmsg">台湾数能NT503（原ＮＵ503）改版新封装ＰＬＣＣ3014新品上市,与NU501功率一样使用，电流18-20MA可选，主要针对灯条，光源产品应用，性价非常有优势的一款，<br /> 用NT503最大好处就是可以直接替换1206电阻</div> <div class="postmsg">用NT503最大的好处就是可以直接替换1206电阻<img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /></div> <div class="postmsg"><img src="data/attachment/forum/201404/15/103807n2msd55cyscsszwe.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201404/15/103737os9rrlmoalkar1a2.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201404/15/103723e46y0ma64z00r6c4.jpg" onload="javascript:if(this.width>600)this.width=600;"></div> <div class="postmsg">用NT503最大好处就是可以直接替换1206电阻</div> <div class="postmsg">顺易捷pcb打样最低48起。现在更有大优惠，PCB快板打样所有工程费直降50%（低至50元） ，双面PCB批量低至398元/㎡深圳顺易捷科技有限公司ERP系统报价和下单，生产进度查询等多种功能，尽在自己掌控之中，方便快捷5分钟完成下单操作，可选板材（FR-4 纸板94V0 半玻纤CME-1 铝基板），服务上万家客户，每天下单超过1000余款pcb样板！交期品质两不误！改变繁琐的通过 邮件 QQ 电话等传统下单模式，支持货到付款或在线支付货款！热线0755-84086168 QQ800055586<br /> <img id="aimg_Selej" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="http://t1.qpic.cn/mblogpic/1911075d4c685605d6b6/460" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></div> <div class="postmsg"></div> <div class="postmsg">1，单双面板 5*5CM以内的，pcb打样50元/款；<br /> 2. 单双面板10*10CM以内的，pcb打样100元/款；<br /> 3. 多层板 10*10CM以内的，pcb打样500元/款。<br /> 以上报价工艺为：FR－4，绿油白字，有铅喷锡工艺，数量为10片内，材料均采用建滔KB顶级板材，样板免费全测！<br /> 4.单面纸板（94V0）样板，半玻纤，铝基板 小批量生产<br /> 特大喜讯：顺易捷PCB快板打样所有工程费直降50%（低至50元） ，双面PCB批量低至398元/㎡，批量开通免费抽测（直通率95%之上）PCB价格创全球最低，交期最快，品质更好，热线0755-84086168 QQ800055586<br /> <img id="aimg_NR4oR" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="http://t1.qpic.cn/mblogpic/1911075d4c685605d6b6/460" onmouseover="img_onmouseoverfunc(this)" onload="thumbImg(this)" border="0" alt="" /></div> <div class="postmsg">NU503B 特性 <br />  使用簡易 <br />  無需外加 VDD 電源 <br />  20/30/40/50 mA 穩定輸出電流 <br />  1.6V ~ 15V 寬電壓使用範圍 <br />  1uS 高速啟動，可應用於電源 PWM調光 <br />  小於 1%/V 電源或負載調變率 <br />  125°C ~160°C 接面溫度電流緩降保護 <br />  -40℃ ~ 85℃ 環境工作溫度 <br />  8kV ESD 保護 <br />  無鉛封裝 <br /> <br /> 應用場合 <br />  LED 燈帶 <br />  一般 LED 照明 <br />  LCD 背光 <br />  LED 手電筒/閃光燈 <br /> </div> <div class="postmsg"><img src="data/attachment/forum/201408/19/143854liq977w9ww79g7dw.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201408/19/143919iifu0rs002rbfmry.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201408/19/1439322ixyu51g82ind21n.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201408/19/143945lq2y7pj6j8p0n14z.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201408/19/143920ztt0q2qik00qbtwl.jpg" onload="javascript:if(this.width>600)this.width=600;"></div> <div class="postmsg"><img src="data/attachment/forum/201411/28/165009xexmfkhfupnuwhsy.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201411/28/165005u14rk1rcvur1h7rm.jpg" onload="javascript:if(this.width>600)this.width=600;"></div> <div class="postmsg"><img src="data/attachment/forum/201503/13/103129xkxcvmmxv4bbbzqk.jpg" onload="javascript:if(this.width>600)this.width=600;"><img src="data/attachment/forum/201503/13/103126grnbnq1ogq47nq8o.jpg" onload="javascript:if(this.width>600)this.width=600;"></div> <div style="height200px;"></div> <ul class="xl xl2 cl" style="border-top: 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