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设计开关电æºå˜åŽ‹å™¨æ—¶å¦‚何选择ç£èŠ¯</h3>
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<span>æ–‡ç« å‡ºå¤„ï¼?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电å有é™å…¬å?/a></a></span><span>网责任编辑：<a href="http://cfdz.nsw888.com">NSW</a></span><span>作者：<a href="http://cfdz.nsw888.com">NSW</a></span><span>人气ï¼?span
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<p><span style="font-size: 14px;">在设è®?a href="http://www.chenfeipower.com/"><strong>开关电æºå˜åŽ‹å™¨</strong></a>时，æ£ç¡®é€‰æ‹©å¼€å…³ç”µæºå˜åŽ‹å™¨ç£èŠ¯æ˜¯éžå¸¸é‡è¦è¿‡ç¨‹ã€‚åªæœ‰å¼€å…³ç”µæºå˜åŽ‹å™¨ç£èŠ¯é€‰æ‹©å¥½äº†ï¼Œå¼€å…³å˜åŽ‹å™¨æ‰èƒ½è¾¾åˆ°ä½³æ•ˆæžœã€‚那么è¦æ€Žæ ·æ£ç¡®é€‰æ‹©ç£èŠ¯å‘¢ï¼Ÿå…¶å®žå„个ä¸åŒå½¢çŠ¶çš„ç£å¿ƒéƒ½æœ‰å…¶æœ€ä½³çš„应用场åˆ.也就是选择使用的时å€?扬其é•?é¿å…¶çŸ?åšåˆ°è¾ƒä¼˜çš„设计，选择ç£å¿ƒææ–™å‰?先确定其ç£å¿ƒæ料的基本å‚æ•?ä¹Ÿå°±æ˜¯æ ¹æ®ä½ 的具体使用环境进行选择.如是PC40还是PC50ç‰ï¼Œè¾“出功率的大å°ä¸»è¦æ˜¯çœ‹å…¶ç£å¿ƒæ料的横截é¢ç§¯çš„大å°ï¼Œç»•ç»„åŒæ•°åŠç»•ç»„多少ç‰ä¸»è¦çœ‹ç£å¿ƒæ料的窗å£é¢ç§¯çš„大å°ã€?br />
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选择ç£èŠ¯çš„任务就是确定å˜åŽ‹å™¨é€‰ç”¨ç£èŠ¯çš„æ料牌å·åŠåž‹å·è§„æ ¼ã€‚å¸¸è§çš„开关å˜åŽ‹å™¨ä½¿ç”¨çš„ç£æ€§æ料为软ç£é“氧体，其æˆåˆ†ä¸ºMnZnã€?nbsp; <br />
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由于é…æ–¹åŠç”Ÿäº§å·¥è‰ºçš„ä¸åŒï¼Œå„å…¬å¸åˆ¶æˆäº†ç‰¹æ€§å‚æ•°ä¸åŒå¤šç§ç‰Œå·çš„ç£æ€§æ料，并æä¾›å„牌å·ç£æ€§æ料的特性å‚数，如使用频率范围ã€åˆå§‹å¯¼ç£çŽ‡ã€æ¯”æŸè€—å› æ•°ã€æ¯”温度系数ã€é¥±å’Œç£é€šå¯†åº¦ã€å±…里温度ã€ç”µé˜»çŽ‡ã€å¯†åº¦ä»¥åŠæŸäº›å‚æ•°éšé¢‘率ã€æ¸©åº¦å˜åŒ–的曲线ã€?br />
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æ料牌å·çš„选择，主è¦ä¾æ®å¼€å…³å˜åŽ‹å™¨çš„最高工作频率ã€?nbsp;例如R2KD适用äº?0 kHz以下，R2KBD 适用äº?0 kHz 以下，R2KB1 适用äº?00 kHz 以下ã€?br />
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é“基éžæ™¶é“èŠ¯ï¼šåœ¨å‡ ä¹Žæ‰€æœ‰çš„éžæ™¶åˆé‡‘é“芯ä¸å…·æœ‰æœ€é«˜çš„饱和ç£æ„Ÿåº”强度（1.45ï½?.56T），åŒæ—¶å…·æœ‰é«˜å¯¼ç£çŽ‡ï¼Œä½ŽçŸ«é¡½åŠ›ï¼Œä½ŽæŸè€—，低激ç£ç”µæµå’Œè‰¯å¥½çš„温度稳定性和时效稳定性。主è¦ç”¨äºŽæ›¿ä»£ç¡…钢片，作为å„ç§å½¢å¼ï¼Œä¸åŒåŠŸçŽ‡çš„工频é…电å˜åŽ‹å™¨ï¼Œä¸é¢‘å˜åŽ‹å™¨ï¼Œå·¥ä½œé¢‘率从50Hzåˆ?0KHz；作为大功率开关电æºç”µæŠ—器é“芯，使用频率å¯è¾?0KHzã€?br />
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é“é•åŸºéžæ™¶é“芯：ä¸ç‰å低的饱和ç£æ„Ÿåº”强度(0.75T)，高导ç£çŽ‡ï¼Œä½ŽçŸ«é¡½åŠ›ï¼Œè€ç£¨è€èš€ï¼Œç¨³å®šæ€§å¥½ã€‚常用于å–代å¡èŽ«åˆé‡‘é“芯作为æ¼ç”µå¼€å…³ä¸çš„零åºç”µæµäº’感器é“芯ã€?<br />
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钴基éžæ™¶é“芯：在所有的éžæ™¶åˆé‡‘é“芯ä¸å…·æœ‰æœ€é«˜çš„ç£å¯¼çŽ‡ï¼ŒåŒæ—¶å…·æœ‰ä¸ç‰å低的饱和ç£æ„Ÿåº”强度ï¼?.65T），低矫顽力，低æŸè€—，优异的è€ç£¨æ€§å’Œè€èš€æ€§ï¼Œè‰¯å¥½çš„温度稳定性和时效稳定性，è€å†²å‡»æŒ¯åŠ¨ã€?br />
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以上就是为大家总结关于设计开关电æºå˜åŽ‹å™¨æ—¶å¦‚何选择ç£èŠ¯çš„介ç»ï¼Œå¸Œæœ›å¯ä»¥å¸®åˆ°å¤§å®¶ã€‚如果想了解更多的高频å˜åŽ‹å™¨çš„内容，å¯ä»¥ç‚¹å‡»<a href="http://www.chenfeipower.com/news/">高频å˜åŽ‹å™¨èµ„è®?/a>ã€?</span></p>
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