村田貼片磁珠
村田磁珠的特性與應用
基本特性
村田磁珠是一種片狀鐵氧體磁珠，屬于EMI靜噪元件,，也稱為靜噪濾波器,。它的學名叫片狀鐵氧體磁珠，功效等效于電阻和電感串聯(lián)在電路中,，能夠在高頻通過時表現(xiàn)出阻性,，從而發(fā)揮過濾高頻的濾波器作用12。
村田磁珠的主要原料是鐵氧體,，通常由鐵鎂合金或鐵鎳合金制成,，外表呈灰黑色。在電路中,，高頻信號通過鐵氧體材料時會大量消耗高頻信號,，使得磁珠在電路中起著阻高頻通低頻的作用。具體來說,，村田磁珠具有以下特性：
高頻損耗大：在高頻情況下,，磁珠會消耗大量的能量，從而減少高頻噪聲,。
導磁率高：具有很高的導磁率,，使得電感的線圈繞組之間在高頻高阻的情況下產(chǎn)生的電容最小。
阻抗特性：在低頻時幾乎無阻抗,，但在高頻時會產(chǎn)生較大的衰減,，高頻電流在其中以熱量形式散發(fā)12。
應用領(lǐng)域
村田磁珠廣泛應用于各種電子設備中,，特別是在以下領(lǐng)域：
通訊設備：用于抑制通訊設備中的高頻噪聲,。
數(shù)字電視和計算機：在數(shù)字電路中，由于脈沖信號含有頻率很高的高次諧波,，磁珠能有效濾除這些高頻噪聲,。
電源電路：用于電源電路中濾除高頻噪聲，適用于直流和交流輸出,。
信號電纜：用于信號電纜的噪聲濾除,，減少信號傳輸中的干擾12。
命名規(guī)則和參數(shù)
村田磁珠的命名規(guī)則通常包括型號和后綴,，例如BLM18AG331SN1D,。主要的參數(shù)包括：
直流電阻（DC Resistance）：直流電流通過磁珠時的電阻值。
額定電流（Rated Current）：磁珠正常工作時的最大允許電流,。
阻抗（Impedance）：在特定頻率下的阻抗值,，通常以100MHz為標準。
阻抗-頻率特性：描述阻抗值隨頻率變化的曲線,。
電阻-頻率特性和感抗-頻率特性：分別描述電阻和感抗隨頻率變化的曲線2,。
結(jié)論
綜上所述，村田磁珠因其高效的高頻濾波性能和廣泛的應用領(lǐng)域,，在電子設備中發(fā)揮著重要作用,。
村田磁珠BLM系列現(xiàn)貨供應：
| BLM03AG100SN1D | BLM1***G100SN1D | BLM21AG121SN1D | BLM18PG300SN1D |
| BLM03AG700SN1D | BLM1***G700SN1D | BLM21AG151SN1D | BLM18PG330SN1D |
| BLM03AG800SN1D | BLM1***G121SN1D | BLM21AG221SN1D | BLM18PG600SN1D |
| BLM03AG121SN1D | BLM1***G221SN1D | BLM21AG331SN1D | BLM18PG121SN1D |
| BLM03AG241SN1D | BLM1***G601SN1D | BLM21AG471SN1D | BLM18PG181SN1D |
| BLM03AG601SN1D | BLM1***G102SN1D | BLM21AG601SN1D | BLM18PG221SN1D |
| BLM03AG102SN1D | BLM1***X100SN1D | BLM21AG102SN1D | BLM18PG331SN1D |
| BLM03BD750SN1D | BLM1***X700SN1D | BLM21PG220SN1D | BLM18PG471SN1D |
| BLM03BB121SN1D | BLM1***X121SN1D | BLM21PG300SN1D | BLM18KG260TN1p |
| BLM03BD121SN1D | BLM1***X221SN1D | BLM21PG600SN1D | BLM18KG700TN1p |
| BLM03BD241SN1D | BLM1***X601SN1D | BLM21PG121SN1D | BLM18KG121TN1p |
| BLM03BD471SN1D | BLM1***X102SN1D | BLM21PG221SN1D | BLM18KG221SN1D |
| BLM03BD601SN1D | BLM15BD750SN1D | BLM21PG331SN1D | BLM18KG331SN1D |
| BLM03BB100SN1D | BLM15BB121SN1D | BLM21BD121SN1D | BLM18KG471SN1D |
| BLM03BB220SN1D | BLM15BD121SN1D | BLM21BB151SN1D | BLM18KG601SN1D |
| BLM03BB470SN1D | BLM15BB221SN1D | BLM21BD151SN1D | BLM18KG300TN1p |
| BLM03BB750SN1D | BLM15BC121SN1D | BLM21BB201SN1D | BLM18KG101TN1p |
| BLM03PG220SN1D | BLM15BC241SN1D | BLM21BB221SN1D | BLM18EG101TN1p |
| BLM03PG330SN1D | BLM15BD221SN1D | BLM21BD221SN1D | BLM18EG121SN1D |
| BLM03AX100SN1D | BLM15BD471SN1D | BLM21BB331SN1D | BLM18EG221SN1D |
| BLM03AX800SN1D | BLM15BD601SN1D | BLM21BD331SN1D | BLM18EG221TN1p |
| BLM03AX121SN1D | BLM15BD102SN1D | BLM21BD421SN1D | BLM18EG331TN1p |
| BLM03AX241SN1D | BLM15BD182SN1D | BLM21BB471SN1D | BLM18EG391TN1p |
| BLM03AX601SN1D | BLM15BA050SN1D | BLM21BD471SN1D | BLM18EG471SN1D |
| BLM03AX102SN1D | BLM15BB050SN1D | BLM21BD601SN1D | BLM18EG601SN1D |
| BLM03HG601SN1D | BLM15BA100SN1D | BLM21BD751SN1D | BLM18SG260TN1p |
| BLM03HG102SN1D | BLM15BB100SN1D | BLM21BD102SN1D | BLM18SG700TN1p |
| BLM15BA220SN1D | BLM21BD152SN1D | BLM18SG121TN1p | |
| BLM15BB220SN1D | BLM21BD182SN1D | BLM18SG221TN1p | |
| BLM15BA330SN1D | BLM21BD222TN1p | BLM18SG331TN1p | |
| BLM15BA470SN1D | BLM21BD222SN1D | BLM18AG121SN1D | |
| BLM15BB470SN1D | BLM21BD272SN1D | BLM18AG151SN1D | |
| BLM15BA750SN1D | BLM21BB050SN1D | BLM18AG221SN1D | |
| BLM15BB750SN1D | BLM21BB600SN1D | BLM18AG331SN1D | |
| BLM15PG100SN1D | BLM21BB750SN1D | BLM18AG471SN1D | |
| BLM15PD300SN1D | BLM21BB121SN1D | BLM18AG601SN1D | |
| BLM15PD600SN1D | BLM31PG330SN1L | BLM18AG102SN1D | |
| BLM15PD800SN1D | BLM31PG500SN1L | BLM18HG471SN1D | |
| BLM15PD121SN1D | BLM31PG121SN1L | BLM18HG601SN1D | |
| BLM15HG601SN1D | BLM31PG391SN1L | BLM18HG102SN1D | |
| BLM15HG102SN1D | BLM31PG601SN1L | BLM18HB121SN1D | |
| BLM15HB121SN1D | BLM41PG600SN1L | BLM18HB221SN1D | |
| BLM15HB221SN1D | BLM41PG750SN1L | BLM18HB331SN1D | |
| BLM15HD601SN1D | BLM41PG181SN1L | BLM18HD471SN1D | |
| BLM15HD102SN1D | BLM41PG471SN1L | BLM18HD601SN1D | |
| BLM15HD182SN1D | BLM41PG102SN1L | BLM18HD102SN1D | |
| BLM15EG121SN1D | BLM18HE601SN1D | ||
| BLM15EG221SN1D | BLM18HE102SN1D | ||
| BLM18HE152SN1D | |||
| BLM18HK331SN1D | |||
| BLM18HK471SN1D | |||
| BLM18HK601SN1D | |||
| BLM18HK102SN1D | |||
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