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更新日期：2017-3-24

PTC鑷姩鎭掓俯鐗規(guī)�?/font>


PTC鍩烘湰鐗規(guī)�э細(xì)

PTC鏄娓╁害緋繪暟鐢?shù)闃诲Q?SPAN lang=EN-US>Positive Temperature Coefficient錛夌殑緙╁啓銆傛渶甯哥敤鐨?/FONT>PTC鏄互閽涢吀閽★紙BaTiO3錛変負(fù)鍩烘湰緇勬垚鐨勫崐瀵肩數(shù)闃諱綋錛屼綆娓╂椂鐢?shù)闃诲�煎皬錛屽鐢墊�уソ錛涢珮娓╂椂鐢?shù)闃诲彉澶уQ屽鐢墊�у樊銆傜數(shù)闃婚殢娓╁害鐨勫彉鍖栬�屽彉鍖栨槸PTC鐨勬渶澶х壒鎬э紝涔熷彨鍋?/FONT>R-T鐢?shù)闃?/FONT>-娓╁害鐗規(guī)�?/FONT>銆?SPAN lang=EN-US>

PTC鍙戠儹鐗囩殑澶栧艦錛?SPAN lang=EN-US>

PTC 鐗規(guī)�э細(xì)

R-T鐢?shù)闃?SPAN lang=EN-US>-娓╁害鐗規(guī)�ц鏄庯細(xì)

鍦ㄦ綆�瑕佽鏄庝笌鎭掓俯鍔犵儹鏈夊叧鐨?SPAN lang=EN-US>R-T鐗規(guī)�э紝濡備笅鍥撅細(xì)

閫氶瀹氱數(shù)鍘嬪悗錛?SPAN lang=EN-US>

鐢?shù)闃讳竴寮�濮嬪彉灝忥紝鏈�灝忕數(shù)闃諱綅緗數(shù)嫻佹渶澶э紝鍔熺巼鏈�澶э紱

鐒跺悗闅忕潃娓╁害澧炲姞錛岀數(shù)闃諱細(xì)鍙樺ぇ錛屽鏋滄暎鐑ソ錛岀數(shù)闃諱細(xì)鍦?SPAN lang=EN-US>Rc闄勮繎錛屽鏋滄暎鐑潯浠朵笉濂斤紝鐢?shù)闃讳細(xì)澧炲ぇ锛屾渶澶т細(xì)杈懼埌Rmax錛屾鏃跺姛鐜囩數(shù)嫻佹渶灝忋�?SPAN lang=EN-US>

 

PTC鑳藉彂鍑虹殑鐑拰瀹冭嚜韜殑緇撴瀯鐗規(guī)�ф湁鍏籌紝杈懼埌鏋侀檺鍚庯紝鍗充嬌鐢?shù)鍘嬪鍔犲Q屼篃涓嶄細(xì)鏈夊姛鐜囧鍔犮�?SPAN lang=EN-US>

 

 

R25     闆跺姛鐜囩數(shù)闃伙細(xì)鍙婂湪25ºC鐜娓╁害涓嬫祴鐨勭殑闆跺姛鐜囩數(shù)闃誨�鹼紱

Rmin    鏈�灝忕數(shù)闃伙細(xì)PTC鍏鋒湁鐨勬渶灝忕數(shù)闃伙紱

Rmax    鏈�澶х數(shù)闃伙細(xì)鍏冧歡杈懼埌鏈�楂樻俯搴︽椂鐨勭數(shù)闃伙紱

Rc    寮�鍏崇數(shù)闃伙細(xì)鍗沖眳閲岀偣娓╁害鏃跺搴旂殑鐢?shù)闃诲Q?SPAN lang=EN-US>

Rp    鏈�澶у伐浣滅數(shù)闃伙細(xì)涓婇檺宸ヤ綔娓╁害鎵�瀵瑰簲鐨勭數(shù)闃伙紱

Tc    灞呴噷娓╁害錛氬畠鏄?SPAN lang=EN-US>PTC鍗婂鐡風(fēng)浉鍙樼殑寮�濮嬬偣錛屼竴鑸負(fù)PTC鍏冧歡Rmin浜屽�?/FONT>
     闃誨�兼椂鎵�瀵瑰簲鐨勬俯搴︾偣錛?SPAN lang=EN-US>

Tmax   鏈�澶ф俯搴︼細(xì)鍏冧歡鍙揪鍒扮殑鏈�楂樻俯搴︼紱

Tp    鏈�澶у伐浣滄俯搴︼細(xì)宸ヤ綔鑼冨洿鍐呯殑涓婇檺娓╁害錛?SPAN lang=EN-US>

Tmin   鏈�灝忔俯搴︼細(xì)鍏冧歡錛堟甯革級鍛堢幇鏈�灝忕數(shù)闃繪椂鐨勬俯搴︼紱

T25   鏍囧噯瀹ゆ俯25鈩?/st1:chmetcnv>錛?SPAN lang=EN-US>

 

V-I鐢?shù)鍘?SPAN lang=EN-US>-鐢墊祦鐗規(guī)�?/FONT> 

 

宸﹀浘鏄寚PTCR鍔犱笂鐢?shù)鍘嬭緫謭扮儹邈^琛℃椂鐢?shù)鍘嬪拰鐢?shù)嫻佺殑鍏崇郴錛屼篃縐伴潤鎬佺壒鎬с�傜數(shù)鍘嬮�愭笎澧炲姞鏃訛紝鐢墊祦鍛堢洿綰夸笂鍗囷紝杈懼埌鏈�澶у�煎悗鍒欓殢涔嬬洿綰夸笅闄嶃�傜數(shù)嫻佹渶澶х偣鍙?SPAN lang=EN-US>V-I宄板�鹼紝鍦?SPAN lang=EN-US>V-I宄板�肩數(shù)鍘嬩互涓嬬淮鎸佸畾鐢?shù)闃诲尯鍩熷Q屽湪宄板�間互涓婄數(shù)鍘嬫椂錛屽嵆浣挎敼鍙樺鍔犵數(shù)鍘嬩篃緇存寔鐢?shù)鍔熺巼鍑犱箮涓嶅彉鐨勫畾鍔熺巼鍖哄煙銆?SPAN lang=EN-US>

I-T鐢墊祦-鏃墮棿鐗規(guī)�?/SPAN>

 

鍦ㄥ彸紺?SPAN lang=EN-US>I-T鍥句腑錛岃嫢PTCR澶勪簬瀹氱數(shù)闃誨尯鍩熸椂錛屽垯鐢墊祦涓嶉殢鏃墮棿鑰屽彉鍖栵紝姝ゆ椂褰撴柦鍔?/FONT>V-I宄板�間互涓婄數(shù)鍘嬫椂錛岀敱浜庡叾鐢?shù)闃讳綆鑰屾祦榪囧ぇ鐢墊祦錛屼絾闅忕潃鏃墮棿寤墮暱鐢變簬鑷韓鍙戠儹鑰屾俯搴︿笂鍗囷紝鏄劇ず鍑虹數(shù)闃誨澶ц�岀數(shù)嫻佸噺灝忕殑鐗規(guī)�с�?SPAN lang=EN-US>

 

PTC鍏冧歡鍦ㄧ┖璋冧腑浣跨敤鐨勪紭緙虹偣瀵規(guī)瘮錛?SPAN lang=EN-US>

PTC鏈�澶т紭鍔垮氨鏄俯搴︾殑瀹夊叏鎬с�傚彂鐑厓浠惰嚜韜渶楂樹笉瓚呰繃300ºC錛岃�屼笖榪欑娓╁害鐨勫畨鍏ㄦ�ф槸鏉ヨ嚜鑷韓鐨勭壒鎬э紝涓嶉渶鍊熷姪娓╂帶鍣ㄨ皟鑺傦紝紜繚閬垮厤鍙戠敓鐏伨浜嬫晠銆?SPAN lang=EN-US>

PTC鏄俯搴︾ǔ瀹氾紝鍔熺巼銆佺數(shù)嫻併�佺數(shù)闃誨彉鍖栵紱甯︽潵闂鏄姛鐜囥�佺數(shù)嫻侀殢鏁ｇ儹鏉′歡鍙樺寲錛涢浂綰挎湁鐢墊祦錛涘彲鎺х鎺у埗闆剁嚎鐢墊祦澶э紱鏈夊姛鐜囪“鍑忥紱

 

鎴戝叕鍙?SPAN lang=EN-US>PTC鐢?shù)鍔犵儹鍣ㄧ殑浼樺?SPAN lang=EN-US>

 

鎴戝叕鍙?SPAN lang=EN-US>PTC鍦ㄩ�夋潗涓婂潥鎸佷互璐ㄩ噺涓轟富錛屼駭鍝佺患鍚堟�ц兘紼沖畾銆傛垜鍏徃闀挎湡緇欏晢鐢ㄥ拰涓ぎ絀鴻皟閰嶅錛屼簡瑙ｄ腑澶┖璋冪數(shù)鍔犵儹鍣ㄧ殑涓�浜涚壒鎬у拰瑕佹眰錛岄拡瀵?/FONT>PTC鍦ㄧ┖璋冧腑浣跨敤鐨勯棶棰橈紝鍋氫簡鐩稿簲鏀硅繘錛岃璁′簡2縐嶄笓鐢?/FONT>PTC浜у搧錛屽茍鐢寵浜嗕笓鍒┿�?/FONT>



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