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            • NTC/PTCÈÈÃôµç×è
          1. NTCÈÈÃôµç×è²úÆ·¼ò½é

            1£®²úÆ·¼ò½é

            ¡¡¡¡ÈÈÃôµç×èÆ÷ÊÇÃô¸ÐÔª¼þµÄÒ»À࣬°´ÕÕζÈϵÊý²»Í¬·ÖΪÕýζÈϵÊýÈÈÃôµç×èÆ÷£¨PTC£©ºÍ¸ºÎ¶ÈϵÊýÈÈÃôµç×èÆ÷£¨NTC£©¡£ÈÈÃôµç×èÆ÷µÄµäÐÍÌØµãÊǶÔζÈÃô¸Ð£¬²»Í¬µÄζÈϱíÏÖ³ö²»Í¬µÄµç×èÖµ¡£¡¡ÈÈÃôµç×è°üÀ¨ÕýζÈϵÊý£¨PTC£©ºÍ¸ºÎ¶ÈϵÊý£¨NTC£©ÈÈÃôµç×裬ÒÔ¼°ÁÙ½çζÈÈÈÃôµç×裨CTR£©¡£ÕýζÈϵÊýÈÈÃôµç×èÆ÷£¨PTC£©ÔÚζÈÔ½¸ßʱµç×èÖµÔ½´ó£¬¸ºÎ¶ÈϵÊýÈÈÃôµç×èÆ÷£¨NTC£©ÔÚζÈÔ½¸ßʱµç×èÖµÔ½µÍ¡£

            2.²úÆ·ÌØµã

            ¡¡¡¡ÈÈÃôµç×èµÄÖ÷ÒªÌØµãÊÇ£º¢ÙÁéÃô¶È½Ï¸ß£¬Æäµç×èζÈϵÊýÒª±È½ðÊô´ó10¡«100±¶ÒÔÉÏ£¬Äܼì²â³ö10-6¡æµÄζȱ仯£»¢Ú¹¤×÷ζȷ¶Î§¿í£¬³£ÎÂÆ÷¼þÊÊÓÃÓÚ-55¡æ¡«315¡æ£¬¸ßÎÂÆ÷¼þÊÊÓÃζȸßÓÚ315¡æ£¨Ä¿Ç°×î¸ß¿É´ïµ½2000¡æ£©£¬µÍÎÂÆ÷¼þÊÊÓÃÓÚ-273¡æ¡«55¡æ£»¢ÛÌå»ýС£¬Äܹ»²âÁ¿ÆäËûζȼÆÎÞ·¨²âÁ¿µÄ¿Õ϶¡¢Ç»Ìå¼°ÉúÎïÌåÄÚѪ¹ÜµÄζÈ£»¢ÜʹÓ÷½±ã£¬µç×èÖµ¿ÉÔÚ0.1¡«100k¦¸¼äÈÎÒâÑ¡Ôñ£»¢ÝÒ×¼Ó¹¤³É¸´ÔÓµÄÐÎ×´£¬¿É´óÅúÁ¿Éú²ú£»¢ÞÎȶ¨ÐԺᢹýÔØÄÜÁ¦Ç¿¡£ 

            3.NTC ¼¼Êõ²ÎÊý

            ¡¡¡¡NTC£¨Negative Temperature Coeff1Cient£©ÊÇÖ¸ËæÎ¶ÈÉÏÉýµç×è³ÊÖ¸Êý¹ØÏµ¼õС¡¢¾ßÓиºÎ¶ÈϵÊýµÄÈÈÃôµç×èÏÖÏóºÍ²ÄÁÏ£® NTCÈÈÃôµç×èÆ÷¹ã·ºÓÃÓÚ²âΡ¢¿ØÎ¡¢Î¶Ȳ¹³¥µÈ·½Ã森 

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            zydPTCÈÈÃôµç×è²úÆ·¼ò½é

            1£®²úÆ·¼ò½é

            ¡¡¡¡ÈÈÃôµç×èÆ÷ÊÇÃô¸ÐÔª¼þµÄÒ»À࣬°´ÕÕζÈϵÊý²»Í¬·ÖΪÕýζÈϵÊýÈÈÃôµç×èÆ÷£¨PTC£©ºÍ¸ºÎ¶ÈϵÊýÈÈÃôµç×èÆ÷£¨NTC£©¡£ÈÈÃôµç×èÆ÷µÄµäÐÍÌØµãÊǶÔζÈÃô¸Ð£¬²»Í¬µÄζÈϱíÏÖ³ö²»Í¬µÄµç×èÖµ¡£¡¡ÈÈÃôµç×è°üÀ¨ÕýζÈϵÊý£¨PTC£©ºÍ¸ºÎ¶ÈϵÊý£¨NTC£©ÈÈÃôµç×裬ÒÔ¼°ÁÙ½çζÈÈÈÃôµç×裨CTR£©¡£ÕýζÈϵÊýÈÈÃôµç×èÆ÷£¨PTC£©ÔÚζÈÔ½¸ßʱµç×èÖµÔ½´ó£¬¸ºÎ¶ÈϵÊýÈÈÃôµç×èÆ÷£¨NTC£©ÔÚζÈÔ½¸ßʱµç×èÖµÔ½µÍ¡£

            2.²úÆ·ÌØµã

            ¡¡¡¡ÈÈÃôµç×èµÄÖ÷ÒªÌØµãÊÇ£º¢ÙÁéÃô¶È½Ï¸ß£¬Æäµç×èζÈϵÊýÒª±È½ðÊô´ó10¡«100±¶ÒÔÉÏ£¬Äܼì²â³ö10-6¡æµÄζȱ仯£»¢Ú¹¤×÷ζȷ¶Î§¿í£¬³£ÎÂÆ÷¼þÊÊÓÃÓÚ-55¡æ¡«315¡æ£¬¸ßÎÂÆ÷¼þÊÊÓÃζȸßÓÚ315¡æ£¨Ä¿Ç°×î¸ß¿É´ïµ½2000¡æ£©£¬µÍÎÂÆ÷¼þÊÊÓÃÓÚ-273¡æ¡«55¡æ£»¢ÛÌå»ýС£¬Äܹ»²âÁ¿ÆäËûζȼÆÎÞ·¨²âÁ¿µÄ¿Õ϶¡¢Ç»Ìå¼°ÉúÎïÌåÄÚѪ¹ÜµÄζÈ£»¢ÜʹÓ÷½±ã£¬µç×èÖµ¿ÉÔÚ0.1¡«100k¦¸¼äÈÎÒâÑ¡Ôñ£»¢ÝÒ×¼Ó¹¤³É¸´ÔÓµÄÐÎ×´£¬¿É´óÅúÁ¿Éú²ú£»¢ÞÎȶ¨ÐԺᢹýÔØÄÜÁ¦Ç¿¡£ 

            3. PTC ¼¼Êõ²ÎÊý

            PTC£¨Positive Temperature Coeff1Cient£©ÊÇÖ¸ÔÚijһζÈϵç×è¼±¾çÔö¼Ó¡¢¾ßÓÐÕýζÈϵÊýµÄÈÈÃôµç×èÏÖÏó»ò²ÄÁÏ£® 

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