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      1. 穿心電容,饋通濾波器,信號濾波器
      2. 價格:面議
      3. 品牌:ractron
      4. 產品簡介:
      5. 一、標稱容量Capacitance :10pF,65pF,100pF,470pF,500pF,1000pF,1200pF,1500pF,1750pF,2000pF,2500pF,2700pF,3000pF,3300pF,4700pF,5000pF,5500pF,6800pF,7000pF,9000pF,10000pF,0.01F,0.012F,0.015F,0.018F,0.022F,0.025F,0.027F,0.028F,0.045F,0.050F,0.056F,0.075F,0.08F,0.1F,0

        產品詳情商家聯系電話:0755-82767283
         
        一、 標稱容量Capacitance :
        10pF,65pF,100pF,470pF,500pF,1000pF,1200pF,1500pF,1750pF,2000pF,2500pF,2700pF,
        3000pF,3300pF,4700pF,5000pF,5500pF,6800pF,7000pF,9000pF,10000pF,0.01μF,0.012μF,
        0.015μF,0.018μF,0.022μF,0.025μF,0.027μF,0.028μF,0.045μF,0.050μF,
        0.056μF,0.075μF,0.08μF,0.1μF,0.15μF,0.21μF,0.3μF,0.75μF,0.8μF,1μF,
        0.015μF,0.060μF,0.062μF,0.150μF,0.200μF,0.250μF,0.250μF,0.300μF,0.450μF,0.500μF,
        0.7μF,0.750μF,0.990μF,1.0μF,1.2μF,1.4μF,1.5μF,2.1μF,2.8μF,
        4.0μF,5.2μF

        101 100pF      331 330pF     471 470pF
        102 1000pF     332 3300pF    472 4700pF 
        103 10000pF    333 33000pF   473 47000pF
        1000pF=1nF  1000000pF=1μF  1000nF=1μF 1μF=1000nF=1000000pF 1F=1000000μF
        Code
        Capacitance tolerance
        Code
        Capacitance tolerance
        F
        ± 1pF
        S
        + 50%, –20%
        K
        ±10%
        Z
        + 80%, –20%
        M
        ±20%
        P
        +100%, – 0%
         
        二、工作電流Rated Current :
        0.06A,0.15A,0.25A,0.3A,0.45A,0.5A,1A,2A,3A,4A,5A,10A,15A,25A,50A,100A
        三、額定電壓Rated Voltage :
        直流:5V,28V,35V,50V,60V,70V,80V,100V,150V,200V,250V,275V
              300V,330V,350V,400V,450V,500V,600V,750V,1250V,2500V
        交流:70V,85V,90V,115V,125V,140V,200V,220V,230V,240V,330V,350V
        四、耐電壓Dielectric Withstanding Voltage :
        直流:額定電壓的2.5倍      交流:額定電壓的6倍的直流電壓
        五、工作溫度Working Temperature Range:
        E:-10-+85 F:-25-+85 G:-30-+125
        H:-40-+85 I:-55-+85 J:-55-+125
        溫度特征
        電容變化
        溫度范圍
        SL
        SL(0±30ppm/°C)
        –25~+ 85°C
        B
        B(+10~ –10%)
        D
        D(+20~ –30%)
        E
        E(+20~ –55%)
        F
        F(+30~ –80%)
        C
        CG(+350~ –1000ppm/°C)
        –55~+125°C
        R
        R(+15~ –15%)
         
        六、EMI 濾波器的構成
        濾波電容
          濾波器所用的電容一般為陶瓷電容。由于其物理結構,這種陶瓷電容又稱為穿心式電容。
          穿心式電容自電感較普通電容小得多,故而自諧振頻率很高。同時,穿心式設計,也有效
        地防止了高頻信號從輸入端直接耦合到輸出端。這種低通高阻的組合,在 1GHz 頻率范圍內,
        提供了極好的抑制效果。
          最簡單的穿心結構是由內外電極和陶瓷構成的一個( C 型)或兩個電容( Pi 型)。
        這種電容的容量可從 10pF ,工作電壓可達 2000VDC 。管式穿心電容因為其同軸性,即使在
        10GHz 頻率,也不會產生明顯的自諧振。
          穿心電容的介質為陶瓷介質,而陶瓷電容的容量會隨環境溫度變化而變化,這種容量變化
        會影響濾波器的濾波截止率。陶瓷電容的容量溫度變化率是由陶瓷介質本身決定的。因此,
        選擇適當的陶瓷介質非常重要。常見陶瓷介質及其容量溫度變化率如下:
         
        EIA 介質類別
        COG(NP0)
        X7R
        Z5U
        Y5V
        超穩定
        穩定
        一般用途
        工作溫度范圍
        -55℃~+125℃
        -55 ℃~+125 ℃
        -10℃~+85 ℃
        -30℃~+85℃
        最大容量溫度變化率
        0±30ppm/℃
        ± 15 %
        -22% ~+56 %
        -22%~+82%
        絕緣電阻 Ri
        ≥104mΩ
        Cr ≤ 25nF Ri ≤ 4000MΩ
        Cr ≤ 25nF Ri* ≤ 100S
        損耗( tanб )
        Cr>50pF≤0.015
        Cr≤50pF≤0.015
        15/Cr+0.7)
        <0.025
        <0.030
        0.050
        介質強度
        工作電壓
        200V
        500V
        >1KV
        施加工作電壓的倍數(加壓時間 5 秒,充電電流 50max )
        X2.5
        X2.5
        X2.5
        X2.5
        X1.5
        X1.5
        X1.5
        X1.5
        X125
        老化率10進對數時間
        0
        1 %
        6 %
        6 %
         
        濾波電感
          濾波電感一般采用鐵氧體材料,它可以方便地與穿心電容組合起來,形成復合濾波器,
        在高性能濾波器中,也采用線繞電感。但需注意,鐵氧材料在大電流下會發生磁飽和,
        降低濾波器效能。
        七、安裝方式Filter Installation Style :
        H:焊接式Solder-in Style Filters   I:螺栓式 Screw Threaded Style Filters
        八、螺紋直徑公制范圍Thread Size :

        廠商資料
        濾波控制產品、濾波連接器、射頻微波產品
        廠商動態
         
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