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style="font-weight: bold;">石墨電阻</a>是一種常見(jiàn)的電阻器件，其特點(diǎn)是具有較高的穩(wěn)定性和精度，廣泛應(yīng)用于各種電子設(shè)備中。</p><p><br></p><p>石墨電阻的電阻值與溫度密切相關(guān)，因此了解石墨電阻與溫度的關(guān)系對(duì)于正確使用和維護(hù)電子設(shè)備具有重要意義。</p><p><br>石墨電阻的電阻值隨著溫度的變化而變化，這是由于石墨電阻的電阻材料一一石墨的電阻率隨溫度的變化而變化所致。</p><p><br></p><p>一股來(lái)說(shuō)，石墨電阻的電阻值隨溫度的升高而增大，這種變化可以用石墨電阻的溫度系數(shù)來(lái)描述。<br>石墨電阻的溫度系數(shù)是指在一定溫度范圍內(nèi)，石墨電阻的電阻值隨溫度變化的比例。一般來(lái)說(shuō)，石墨電阻的溫度系數(shù)為負(fù)數(shù)，即隨著溫度的升高，石墨電阻的電阻值會(huì)減小。這是因?yàn)殡S著溫度的升高,石墨的電阻率會(huì)減小，從而導(dǎo)致石墨電阻的電阻值減小。</p><p><div style="text-align: center;"><img src="http:///admin/php/upload_img/201909051567666001.jpg" height="400" width="500"></div>石墨電阻的溫度系數(shù)是一個(gè)重要的參數(shù)，它決定了石墨電阻在不同溫度下的電阻值。在實(shí)際應(yīng)用中，為了保證石墨電阻的精度和穩(wěn)定性，需要選擇合適的溫度系數(shù)的石墨電阻，并根據(jù)實(shí)際情況進(jìn)行溫度補(bǔ)償。<br>?除了溫度系數(shù)外，石墨電阻的溫度特性還包括溫度漂移和溫度震蕩溫度漂移是指石墨屯阻在長(zhǎng)時(shí)間使用過(guò)程中，由于溫度變化而導(dǎo)致的屯阻值的變化。溫度震蕩是指石墨屯阻在溫度變化較大的環(huán)境下，由于熱膨脹和收縮而導(dǎo)致的電阻值的變化。</p><p><br>石墨電阻與溫度的關(guān)系是一個(gè)復(fù)雜的問(wèn)題，需要綜合考慮多種因素在實(shí)際應(yīng)用中，需要根據(jù)具體情況選擇合適的石墨電阻，并進(jìn)行溫度補(bǔ)償和校準(zhǔn)，以保證電子設(shè)備的精度和穩(wěn)定性。</p><p><br>?東莞市捷誠(chéng)<a href="http:///products/col1_group1.html" target="_blank" style="font-weight: bold;">石墨制品</a>主營(yíng)：</p><p>高精密石墨模具，真空爐石墨件，石墨軸承，石墨轉(zhuǎn)子，石墨熱場(chǎng)，碳碳制品等各類石墨制品加工。<br>優(yōu)質(zhì)石墨制品，可定制各種尺寸。歡迎新老客戶來(lái)圖定制。<br>定制熱線：<a href="http:///products/col1_group1.html" target="_blank" style="font-weight: bold;">13612659588</a>譚先生（微信同號(hào)）<br>歡迎致電！?。。?！</p>  </div> <div id="ttf28hg4" class="navs clearfix"> <div id="ttf28hg4" class="pre"> <span>上一篇：</span> <a href="cjwt0175.html" class="pre_link" 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