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高頻變壓器用鐵氧體材料的特性和主要用??/h3>
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<span>文章出處??a href=""><a >深圳市晨飛電子有限公??/a></a></span><span>網(wǎng)責(zé)任編輯：<a >NSW</a></span><span>作者：<a >NSW</a></span><span>人氣??span
id="cntrHits">-</span></span><span>發(fā)表時(shí)間??015-07-16 14:59:00</span>
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<p> 目前制作<a href="http://m.linhang.com.cn/product/product-0001,0015.shtml">高頻變壓??/a>時(shí)所需要的磁芯可分為二種：1鐵氧休磁芯、合金類(lèi)磁芯。其中鐵氧休磁芯又分為三種，錳鋅系材、鎳鋅系材、鎂鋅系材。合金類(lèi)磁芯又分為硅鋼材、鐵粉芯、鐵硅鋁、鐵鎳全多、鉬坡莫合金、非晶、微晶合金。今天就由深圳晨飛電子的小編向大家簡(jiǎn)單講解一下鐵氧休系列的磁芯??br />
用于高頻變壓器中的鐵氧體材料均為軟磁鐵氧體材料。由于軟磁鐵氧體材料的電阻率高，高頻損耗小，易于大批量生產(chǎn)，產(chǎn)品的一致性好，成本低，是目前高頻變壓器中使用量最大的一種磁性材料。軟磁鐵氧體材料主要分為Mn-Zn鐵氧體和Ni-Zn鐵氧體兩大類(lèi)。Mn-Zn鐵氧體用于工作頻率在0.5~1MHz以下的高頻變壓器中，Ni-Zn鐵氧體用于工作頻率在1MHz以上的高頻變壓器中。Mn-Zn和Ni-Zn鐵氧體材料的品種很多，材料特性也各不相同，分別用于各種不同要求的高頻變壓器和電感器中。主要包括以下幾個(gè)方面：<br />
①功率變壓器，用于傳輸功率，變換電壓和隔離等。要求材料有高的飽和磁感應(yīng)強(qiáng)度和低功率損耗??br />
②信號(hào)傳輸變壓器，用于不失真的傳輸交流或脈沖信號(hào)，阻抗匹配，隔離等。要求材料有高磁導(dǎo)率，低磁滯損耗和對(duì)直流的敏感小??br />
③電信領(lǐng)域的濾波器電感，要求有良好的穩(wěn)定性和高Q值。材料的損耗小、在規(guī)定的溫度范圍內(nèi)有很低的溫度系數(shù)、對(duì)時(shí)間有很好的穩(wěn)定性??br />
④干擾抑制器，抑制不需要的高頻干擾信號(hào)，通過(guò)有用的高頻信號(hào)。要求在覆蓋的頻率范圍內(nèi)有高阻抗（高磁導(dǎo)率）??br />
⑤延遲脈沖電路的電感，用于脈沖的延遲。要求材料有高的磁導(dǎo)率??br />
⑥儲(chǔ)能、平滑電路電感。要求材料有高的飽和磁感應(yīng)強(qiáng)度值??br />
⑦調(diào)諧回路電感，有一定的通頻帶。要求材料有適當(dāng)?shù)膿p耗和較好的溫度穩(wěn)定性??br />
2.2高頻變壓器用鐵氧體磁心種??br />
鐵氧體磁心由模壓燒結(jié)而成，種類(lèi)很多，主要有E形、罐形、U形和環(huán)形等四大類(lèi)<br />
以上就是鐵氧休材料的基本特性和應(yīng)用范圍了，如果你想了解更多關(guān)于高頻變壓器的知識(shí)，你也可以登??a href="http://m.linhang.com.cn">高頻變壓器生產(chǎn)廠??/a>深圳晨飛電子官網(wǎng)（http://m.linhang.com.cn??在這里小編向你推薦一篇：高頻變壓器磁芯如何選擇：http://m.linhang.com.cn/Article/gaopinbianyaqicixinr_1.html</p>
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