请问:10K5W的电阻最小的封装是怎样的

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 楼主| kcl123 发表于 2007-2-2 21:01 | 显示全部楼层 |阅读模式
市场上的都超级大个
highway 发表于 2007-2-2 21:11 | 显示全部楼层

这个很难做小的,不过可以稍微小点,我查下

  
highway 发表于 2007-2-2 21:16 | 显示全部楼层

我现在使用的是23mm间距的,功率7W,不知道你想多大:)

  
 楼主| kcl123 发表于 2007-2-2 21:29 | 显示全部楼层

先谢谢楼上的!我在市场上买的2W10K就有15MM直径5MM

我想5W不是要超级大个?<br />23MM的直径多大呀?
lydyf 发表于 2007-2-3 00:43 | 显示全部楼层

干脆用个烙铁芯算了,直径只有5mm

  
tyw 发表于 2007-2-3 08:51 | 显示全部楼层

水泥的小些

<table class=ubb cellspacing=0><TR><td class=ubb><table class=ubb cellspacing=0><TR><td class=ubb></td><td class=ubb><H1>氧化膜电阻</H1></td></TR></table><table class=ubb cellspacing=0><TR><td class=ubb><img src="http://www.tokenonline.net/gb/image/pro_text.gif"></td><td class=ubb><img src="http://www.tokenonline.net/gb/resistor/image/resistor_2.gif"></td><td class=ubb>氧化膜电阻&nbsp;-&nbsp;RSS、RSN系列</td><td class=ubb><img src="http://www.tokenonline.net/gb/image/qtzx.gif"></td></TR></table><table class=ubb cellspacing=0><tr><td class=ubb><img src="http://../image/pro_text.gif"></td><td class=ubb><img src="http://image/resistor_2.gif"></td></TR></table><table class=ubb cellspacing=0><TR><td class=ubb><UL><li>氧化膜电阻器&nbsp;-&nbsp;MOF&nbsp;系列&nbsp;</li><li>玻璃釉膜耐冲击电阻器&nbsp;-&nbsp;RCR&nbsp;系列&nbsp;</li><li>金属膜精密电阻器&nbsp;-&nbsp;MF&nbsp;系列&nbsp;</li><li>碳膜电阻器&nbsp;-&nbsp;CF&nbsp;系列&nbsp;</li><li>绕线水泥电阻器&nbsp;-&nbsp;SQ&nbsp;系列&nbsp;</li><li>功率无感绕线电阻器&nbsp;-&nbsp;KNPN、KNP&nbsp;系列&nbsp;</li><li>功率型轴向被釉绕线电阻器&nbsp;-&nbsp;KNP-VE&nbsp;系列&nbsp;</li><li>轴向模压型精密绕线电阻器&nbsp;-&nbsp;BWW&nbsp;系列&nbsp;</li><li>光敏电阻器&nbsp;-&nbsp;CDS&nbsp;系列&nbsp;</li><li>跳线及零欧姆电阻器&nbsp;-&nbsp;ZO、JW&nbsp;系列&nbsp;</li><li>有机实芯电阻器&nbsp;-&nbsp;CCR&nbsp;系列&nbsp;</li><li>保险丝电阻器&nbsp;-&nbsp;FRN、FKN、FSQ&nbsp;系列&nbsp;</li><li>电阻&nbsp;-&nbsp;色码系统&nbsp;</li><li>电阻&nbsp;-&nbsp;加工类型与尺寸&nbsp;</li><li>电阻&nbsp;-&nbsp;技术用语&nbsp;</li><li>电阻&nbsp;-&nbsp;使用事项&nbsp;</li></UL><UL><li>通<I>用电</I>阻&nbsp;</li><li>贴片<I>电</I>阻器&nbsp;</li><li>晶圆<I>电</I>阻器&nbsp;</li><li>高压<I>电</I>阻器&nbsp;</li><li>功率<I>电</I>阻器&nbsp;</li><li>超精密<I>电</I>阻器&nbsp;</li><li>电流感测<I>电</I>阻器&nbsp;</li><li>陶瓷滤波器&nbsp;</li><li>陶瓷谐振器&nbsp;</li><li>声表面波&nbsp;</li><li>微波介质元件&nbsp;</li><li>引脚电感器&nbsp;</li><li>功率电感器&nbsp;</li><li>射频电感器&nbsp;</li><li>贴片线圈&nbsp;</li></UL></td></tr></table><table class=ubb cellspacing=0><TR><td class=ubb><table class=ubb cellspacing=0><TR><td class=ubb><B>氧化皮膜电阻器</B><br /><img src="http://www.tokenonline.net/image/tokenul.gif">随着电子设备之发展其构成之零件亦趋向小型化、轻型化及耐用化等趋势。电阻在高温下工作,要有长期之安定性、稳定性,电阻的皮膜单位面积就要负载较高之电力,以适其工作之要求,而&nbsp;MOF&nbsp;就是合适的。</td></TR></table></td><td class=ubb><img src="http://www.tokenonline.net/gb/resistor/image/mof.jpg"></td></TR></table><table class=ubb cellspacing=0><TR><td class=ubb><img src="http://www.tokenonline.net/gb/resistor/image/resistor-dim.jpg"></td></TR></table><table class=ubb cellspacing=0><TR><td class=ubb>金&nbsp;属&nbsp;氧&nbsp;化&nbsp;皮&nbsp;膜&nbsp;电&nbsp;阻&nbsp;器&nbsp;一&nbsp;般&nbsp;规&nbsp;格</td></TR></table><table class=ubb cellspacing=0><TR><td class=ubb>型号</td><td class=ubb>L</td><td class=ubb>D&nbsp;</td><td class=ubb>H&nbsp;</td><td class=ubb>d&nbsp;±&nbsp;0.05</td><td class=ubb>最大工作电压</td><td class=ubb>最大负载电压</td></TR><TR><td class=ubb>RSS</td><td class=ubb>RSN&nbsp;</td><td class=ubb>RSS&nbsp;</td><td class=ubb>RSN</td><td class=ubb>RSS&nbsp;</td><td class=ubb>RSN&nbsp;</td></TR><TR><td class=ubb>1/2W&nbsp;</td><td class=ubb>1/4W&nbsp;</td><td class=ubb>6.0&nbsp;±&nbsp;0.3&nbsp;</td><td class=ubb>2.3&nbsp;±&nbsp;0.3&nbsp;</td><td class=ubb>26&nbsp;±&nbsp;1&nbsp;</td><td class=ubb>0.40&nbsp;~&nbsp;0.50</td><td class=ubb>200V&nbsp;</td><td class=ubb>300V</td><td class=ubb>400V</td><td class=ubb>500V&nbsp;</td></TR><TR><td class=ubb>1W</td><td class=ubb>1/2W</td><td class=ubb>9.0&nbsp;±&nbsp;0.5&nbsp;</td><td class=ubb>3.0&nbsp;±&nbsp;0.5&nbsp;</td><td class=ubb>26&nbsp;±&nbsp;1&nbsp;</td><td class=ubb>0.50&nbsp;~&nbsp;0.55</td><td class=ubb>250V</td><td class=ubb>350V</td><td class=ubb>500V&nbsp;</td><td class=ubb>600V</td></TR><TR><td class=ubb>2W</td><td class=ubb>1W</td><td class=ubb>11&nbsp;±&nbsp;1.0&nbsp;</td><td class=ubb>4.0&nbsp;±&nbsp;0.5&nbsp;</td><td class=ubb>26&nbsp;±&nbsp;3&nbsp;</td><td class=ubb>0.75&nbsp;~&nbsp;0.80</td><td class=ubb>300V&nbsp;</td><td class=ubb>350V</td><td class=ubb>600V</td><td class=ubb>700V&nbsp;</td></TR><TR><td class=ubb>3W</td><td class=ubb>2W</td><td class=ubb>15&nbsp;±&nbsp;1.0&nbsp;</td><td class=ubb>5.0&nbsp;±&nbsp;0.5&nbsp;</td><td class=ubb>35&nbsp;±&nbsp;3&nbsp;</td><td class=ubb>0.75&nbsp;~&nbsp;0.80</td><td class=ubb>350V&nbsp;</td><td class=ubb>350V</td><td class=ubb>700V</td><td class=ubb>700V&nbsp;</td></TR><TR><td class=ubb>5W</td><td class=ubb>3W</td><td class=ubb>17&nbsp;±&nbsp;1.0&nbsp;</td><td class=ubb>6.0&nbsp;±&nbsp;0.5&nbsp;</td><td class=ubb>35&nbsp;±&nbsp;3&nbsp;</td><td class=ubb>0.75&nbsp;~&nbsp;0.80</td><td class=ubb>350V&nbsp;</td><td class=ubb>500V</td><td class=ubb>700V</td><td class=ubb>1000V&nbsp;</td></TR><TR><td class=ubb>6W</td><td class=ubb>5W</td><td class=ubb>24&nbsp;±&nbsp;1.0&nbsp;</td><td class=ubb>8.0&nbsp;±&nbsp;0.5&nbsp;</td><td class=ubb>38&nbsp;±&nbsp;3&nbsp;</td><td class=ubb>0.75&nbsp;~&nbsp;0.80</td><td class=ubb>500V&nbsp;</td><td class=ubb>700V</td><td class=ubb>800V</td><td class=ubb>1000V&nbsp;</td></TR><TR><td class=ubb>7W</td><td class=ubb>6W</td><td class=ubb>24&nbsp;±&nbsp;1.0&nbsp;</td><td class=ubb>8.0&nbsp;±&nbsp;0.5&nbsp;</td><td class=ubb>38&nbsp;±&nbsp;3&nbsp;</td><td class=ubb>0.75&nbsp;~&nbsp;0.80</td><td class=ubb>500V&nbsp;</td><td class=ubb>700V</td><td class=ubb>800V</td><td class=ubb>1000V&nbsp;</td></TR><TR><td class=ubb>10W</td><td class=ubb>7W</td><td class=ubb>41&nbsp;±&nbsp;1.0&nbsp;</td><td class=ubb>8.0&nbsp;±&nbsp;0.5&nbsp;</td><td class=ubb>38&nbsp;±&nbsp;3&nbsp;</td><td class=ubb>0.75&nbsp;~&nbsp;0.80</td><td class=ubb>750V&nbsp;</td><td class=ubb>850V</td><td class=ubb>850V</td><td class=ubb>1000V&nbsp;</td></TR><TR><td class=ubb>&nbsp;</td><td class=ubb>10W</td><td class=ubb>53&nbsp;±&nbsp;1.0&nbsp;</td><td class=ubb>8.0&nbsp;±&nbsp;0.5&nbsp;</td><td class=ubb>38&nbsp;±&nbsp;3&nbsp;</td><td class=ubb>0.75&nbsp;~&nbsp;0.80</td><td class=ubb>750V&nbsp;</td><td class=ubb>850V</td><td class=ubb>850V</td><td class=ubb>1000V&nbsp;</td></TR></table><br /><table class=ubb cellspacing=0><TR><td class=ubb>电&nbsp;特&nbsp;性</td></TR></table><table class=ubb cellspacing=0><TR><td class=ubb>测试项目</td><td class=ubb>性&nbsp;&nbsp;&nbsp;能</td><td class=ubb>试验方法</td></TR><TR><td class=ubb>JIS&nbsp;C&nbsp;5202</td><td class=ubb>MIL-R-22684B&nbsp;</td></TR><TR><td class=ubb>使用温度范围&nbsp;</td><td class=ubb>-55°C~200°C</td><td class=ubb>&nbsp;&nbsp;</td><td class=ubb>&nbsp;&nbsp;</td></TR><TR><td class=ubb>温度系数&nbsp;</td><td class=ubb>±&nbsp;300</td><td class=ubb>5.2</td><td class=ubb>4.6.11</td></TR><TR><td class=ubb>阻值最大<br />变化率</td><td class=ubb>短时间过负载</td><td class=ubb>±&nbsp;(1%+0.05Ω)</td><td class=ubb>5.2A</td><td class=ubb>4.6.5</td></TR><TR><td class=ubb>焊锡耐热性</td><td class=ubb>±&nbsp;(1%+0.05Ω)</td><td class=ubb>6.4&nbsp;350°C&nbsp;2Sec</td><td class=ubb>4.6.9</td></TR><TR><td class=ubb>温度循环</td><td class=ubb>±&nbsp;(1%+0.05Ω)</td><td class=ubb>7.4-55°C&nbsp;/&nbsp;85°C</td><td class=ubb>4.6.3</td></TR><TR><td class=ubb>耐湿负荷</td><td class=ubb>±&nbsp;5%</td><td class=ubb>7.9&nbsp;1,000hr&nbsp;</td><td class=ubb>4.6.10</td></TR><TR><td class=ubb>负荷寿命</td><td class=ubb>±&nbsp;5%</td><td class=ubb>7.10&nbsp;1,000hr&nbsp;</td><td class=ubb>4.6.12</td></TR><TR><td class=ubb>耐电压</td><td class=ubb>±&nbsp;(0.5%+0.05Ω)</td><td class=ubb>5.7A</td><td class=ubb>4.6.7</td></TR><TR><td class=ubb>不燃性</td><td class=ubb>依照&nbsp;UL492.2B&nbsp;之试验方法&nbsp;13&nbsp;之过负荷试验结果无燃烧危险</td></TR><TR><td class=ubb>耐溶剂性</td><td class=ubb>外观,表示无任何损伤</td></TR></table><br /><table class=ubb cellspacing=0><TR><td class=ubb>产品订购</td></TR></table><table class=ubb cellspacing=0><TR><td class=ubb>RSS</td><td class=ubb>0.5W</td><td class=ubb>1KR</td><td class=ubb>J</td><td class=ubb>TB</td></TR><TR><td class=ubb><img src="http://www.tokenonline.net/resistor/image/jiantou.gif"></td><td class=ubb><img src="http://www.tokenonline.net/resistor/image/jiantou.gif"></td><td class=ubb><img src="http://www.tokenonline.net/resistor/image/jiantou.gif"></td><td class=ubb><img src="http://www.tokenonline.net/resistor/image/jiantou.gif"></td><td class=ubb><img src="http://www.tokenonline.net/resistor/image/jiantou.gif"></td></TR><TR><td class=ubb>产品型号</td><td class=ubb>额定功率</td><td class=ubb>阻值范围(Ω)</td><td class=ubb>阻值公差</td><td class=ubb>包装方式</td></TR></table><br /><table class=ubb cellspacing=0><TR><td class=ubb>To&nbsp;Top&nbsp;Page&nbsp;</td><td class=ubb>德键电子工业股份公司<br />台湾电话﹕+886-2-29810109﹔传真﹕+886-2-29887487<br />大陆电话﹕+86-755-26055363﹔传真﹕+86-755-26055365</td></TR></table></td></TR></table><br />&nbsp;<br /><img src="https://bbs.21ic.com/upfiles/img/20072/20072385040274.gif"><br />&nbsp;<br /><img src="https://bbs.21ic.com/upfiles/img/20072/2007238511763.gif">
lijay 发表于 2007-2-3 10:57 | 显示全部楼层

楼上给的这个网站挺好的

收藏了,谢谢
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