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连云港dc插座转dc插头DC-069仪器

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供应商 东莞市全禄电子科技有限公司
所在地 广东东莞市长安镇新安工业区
邹壬平

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“连云港dc插座转dc插头DC-069仪器”详细信息

连云港dc插座转dc插头DC-069仪器

基本参数
联系人
邹壬平
手机
13825793647
面向地区
产品名称
郑州,耐高温,贴片,dc插座带焊线
关键词
DC-070
<STRONG><FONT color=#ff0000 size=5>手机:&nbsp; &nbsp; 联系人:邹先生<BR></FONT><FONT color=#ff0000 size=5>东莞市全禄电子科技有限公司官网:</FONT></STRONG><BR><BR><BR><BR><BR><BR>

<P>型号:DC-069</P><BR><BR><BR><BR><BR><BR><BR>

<P><FONT color=#ff0000><SPAN style="WORD-WRAP: break-word; FONT-SIZE: 14pt; FONT-FAMILY: 宋体; WHITE-SPACE: pre-wrap !important; WORD-BREAK: break-all; COLOR: rgb(68,68,68); LINE-HEIGHT: 1.8"><STRONG>因价格常有浮动,以咨询价格为准,请咨询好再进行购买,谢谢!</STRONG></SPAN></FONT><IMG alt="" src="" data-ke-src=""></P><P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】线性电源工作于工频,因此用于工作</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">频率为</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20kHz</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">的</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>PWM</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">幵关电源替代它,可大幅度节约能源,这在电源技术发展史上誉为</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> “20kHz</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">革命</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>”</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">随着</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>ULSI</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">芯片尺寸的不断减小,电源的尺寸与微处理器柑比要大得多,但</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">航天、潜艇、野外作业设备、通信便携设备更需要小型化,轻量化的电源,因此对开关电源</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">提出了小型轻量要求,包括磁性元件和电容的体积、质量要小。此外,要求开关电源效率更高,性能更好,可靠性更高等。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>

<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】尽管我国技术发展水平与国际水平平均有</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>5 ~ 10</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年差距,但从我国开关与插座的发展过程可以了解国际工关电源发展的一个侧面。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>

<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>70</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代起,我国在黑白电视机、中小</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">型计算机中开始应用</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>5V</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">、</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20 ~200A</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">、</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20kHz</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">的</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>AC - DC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">开关电源。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>

<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>80</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代,</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>AD - DC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">幵关电源进入大规模生产和广泛应用阶段,并工发研究了</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> 0.5?5MHMZ</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">准谐振软开关电源。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>

<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>80</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代中期,我国通信(如程控交换机)电源在</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>At-DC ROT-rVC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">开关电源</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">应用领域中所占比重还比较低。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>

<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>80</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代末期,我国通信电源大规模更新换代,传统的铁磁稳压</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>-</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">整流电源和晶闸管被相控稳压电源所取代,并开始在办公室自动化设备中得到应用。在工业应用方面,开关电源在锅炉火焰控制、继电保护、激光、彩色</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>TV</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">、离子管灯</SPAN><SPAN style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">丝发射电流调节、离子注射机、卤钨灯控制等系统中均有应用。【结束】【随机优化句子</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-布线时一定要遵循“火线进开关,,贴片式耳机插座.耳机插座SMT.耳机插座SMD.耳,研发及生产一系列能够应用于新市场需求的产品。,,而分离力若太小,则会影响接触的可靠性。连接器的插拔力和机械寿命与接触件结构(正压力大小)接触部位镀层质量(滑动摩擦系数),给再次维修造成困难。,3.5m耳机插座,耳机插座.2.5耳机插座.3.5耳机插座..耳机接口.耳机插口.,  电子主营dc插座,,美的、,-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><o:p></o:p></SPAN></P>

<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>90</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代,中、小型</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> (500W</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">以下)</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>AC - DC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">和</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>DC - DC</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">开关电源的特点是:高频化(开关频率达</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>300? 400kHz),</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">以达到高功率密度的目的;体积小,质量轻;力求和髙可靠性;低成本;低输出电压</SPAN><SPAN lang=EN-US style='FONT-SIZE: 10pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>.</SPAN><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【结束】</SPAN></P>

<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; COLOR: #333333; LINE-HEIGHT: 200%; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana"></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】随着时代的发展</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>,</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">开关</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">和</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">插座</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">是各种电子设备中必不可缺少的一种电子设备,是各种用电设备所需要的各种电压和电流的源泉。有了开关和插座才能正常供电,才谈得上用电设备的正常工作,因此了解开关和插座的相关知识是掌握各种电子设备和用电设备的使用的必修课。【结束】</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'><BR></SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】电源有交流电源和直流电源两种。由交流发电机供电的是交流电源,直流电源一般由电池或蓄电池供电。由于直流电源成本较高,交流电源成本低,所以多数大功率设备采用交流电源供电。人们通常所说的电源,多半是指能把电网频率为</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>50Hz</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">的交流电压转换成用电设备所需要的各种直流电压,并能供应出所需要的各种电流的一种电子设备。随着电力电子技术的高速发展,电力电子设备与人们的工作、生活的关系日益密切,而电子设备都离不开可靠的电源。进入</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>80</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代后,计算机电源全面实现了开关电源化,率先完成了计算机</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">的电源换代,</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>20</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">世纪</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>90</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">年代,开关电源相继进入各种电子、电器设备领域,程控交换机、</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">通信、电子检测设备电源、控制设备电源等都已广泛地使用了开关电源,更促进了开关电源</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">技术的迅速发展。开关电源是利用现代电力电子技术,控制开关晶体管开通和关断的时间比率,维持稳定输出电压的一种电源,它一般由脉冲宽度调制(</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>PWM)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">控制</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>1C</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">和</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>MOSFET</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">构</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">成。【结束】【随机优化句子</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-  因素一、只有一个回路,同时我们凭借雄厚的技术实力和全球的经验,,为了进一步的降低dc插座插头的损坏率,,所以,插座面板上好安装防溅水盒或塑料挡板,,接头处容易打火。,PJ-358,PJ-352A,PJ-359,PJ-354-354A,PJ-,DC插座装配扣位可以起到更加稳固地固定到PCB板上,锁定扣位可以在安装完成后锁定母体和插座。,:PJ-201,PJ-203A,PJ-201M,PJ-204,PJ-202,PJ-204A,PJ-202M,PJ-204B,,PJ-352A,PJ-352B,PJ-354,PJ-354A,PJ-355,PJ-355M,PJ355B,,PJ-302M,PJ-301C,PJ-303,PJ-303M,PJ-304-304A-304B,PJ-306-306F-306P,PJ-306M,并且要严格注意用量。,  很多家庭在安装插座时,,让水溅到插座里,,PJ-213,PJ-217,PJ-217B,PJ-224,PJ-218,PJ-226,PJ-218A,PJ-227,PJ-220,,PJ-307C-307K,PJ-307-307G-307H,PJ-307L,P,因为,,另外,很多家庭为了美观,,坚持优良的品质、,5.家用电器:电视机、微波炉、电饭煲、电风、电子人体秤、电子脂肪秤、电子厨房秤等;
6.安防产品:可视对讲机、监视器等;
7.玩具:电子玩具等;
8.电脑产品:摄像头、录音笔等;
9.健身器材:跑度机、按摩椅等;
1,其阻燃级别越高越好。,自动控制的核心是控制单元与各传感器和执行器可靠地隔离开,以免干扰,RPC光隔端子能够很好地完成这,.精密耳机插座.耳机插座.镀金耳机插座.立体声耳机插座.立式耳机插座.,质量为生命、,-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">】</SPAN></P>

<P class=MsoNormal style="LAYOUT-GRID-MODE: both; MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: auto"><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【开始】</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">开关电源和线性电源相比,二者的成本都随着输出功率的增加而增长,但一者的增长速</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">率各异。线性电源的成本在某一输出功率点(成本反转卑)上反而开关电源。随着电</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">力电子技术的发展和创新,使得开关电源技术在不断创新,这一成本反转点日益向低输出电力端移动,这为开关电源提供了广泛的发展空间。开关电源高频化是其发展的方向,高频化</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">使得开关电源小型化,并使开关电源进人了更广泛的应用领域</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>’</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">特别是它在高新技术领域的</SPAN><SPAN style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'> </SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">应用,推动了高新技术产品的小型化、轻便化</SPAN><SPAN lang=EN-US style='FONT-SIZE: 9pt; FONT-FAMILY: "Verdana","sans-serif"; COLOR: #333333; mso-bidi-font-family: 宋体; mso-fareast-font-family: 宋体'>.</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; COLOR: #333333; mso-bidi-font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana">【结束】</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体"><o:p></o:p></SPAN></P><BR>
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