| 价 格: | 面议 | |
| 型号/规格: | 2SB1424 T100Q 2SB624 BV3/BV4/BV5 2SB766A-R 2SB772 2SB798 2SB799 2SB805 2SC1623 | |
| 品牌/商标: | ROHM(罗姆) | |
| 封装形式: | SMD | |
| 环保类别: | 无铅环保型 | |
| 安装方式: | 贴片式 | |
| 包装方式: | 盒带编带包装 |
三极管的工作原理 三极管是电流放大器件,有三个极,分别叫做集电极C,基极B,发射极E。分成NPN和PNP两种。我们仅以NPN三极管的共发射极放大电路为例来说明一下三极管放大电路的基本原理。 一、电流放大 下面的分析仅对于NPN型硅三极管。如上图所示,我们把从基极B流至发射极E的电流叫做基极电流Ib;把从集电极C流至发射极E的电流叫做集电极电流 Ic。这两个电流的方向都是流出发射极的,所以发射极E上就用了一个箭头来表示电流的方向。三极管的放大作用就是:集电极电流受基极电流的控制(假设电源 能够提供给集电极足够大的电流的话),并且基极电流很小的变化,会引起集电极电流很大的变化,且变化满足一定的比例关系:集电极电流的变化量是基极电流变 化量的β倍,即电流变化被放大了β倍,所以我们把β叫做三极管的放大倍数(β一般远大于1,例如几十,几百)。如果我们将一个变化的小信号加到基极跟发射 极之间,这就会引起基极电流Ib的变化,Ib的变化被放大后,导致了Ic很大的变化。如果集电极电流Ic是流过一个电阻R的,那么根据电压计算公式 U=R*I 可以算得,这电阻上电压就会发生很大的变化。我们将这个电阻上的电压取出来,就得到了放大后的电压信号了。 二、偏置电路 三极管在实际的放大电路中使用时,还需要加合适的偏置电路。这有几个原因。首先是由于三极管BE结的非线性(相当于一个二极管),基极电流必须在输入电压 大到一定程度后才能产生(对于硅管,常取0.7V)。当基极与发射极之间的电压小于0.7V时,基极电流就可以认为是0。但实际中要放大的信号往往远比 0.7V要小,如果不加偏置的话,这么小的信号就不足以引起基极电流的改变(因为小于0.7V时,基极电流都是0)。如果我们事先在三极管的基极上加上一 个合适的电流(叫做偏置电流,上图中那个电阻Rb就是用来提供这个电流的,所以它被叫做基极偏置电阻),那么当一个小信号跟这个偏置电流叠加在一起时,小 信号就会导致基极电流的变化,而基极电流的变化,就会被放大并在集电极上输出。另一个原因就是输出信号范围的要求,如果没有加偏置,那么只有对那些增加的 信号放大,而对减小的信号无效(因为没有偏置时集电极电流为0,不能再减小了)。而加上偏置,事先让集电极有一定的电流,当输入的基极电流变小时,集电极 电流就可以减小;当输入的基极电流增大时,集电极电流就增大。这样减小的信号和增大的信号都可以被放大了。 三、开关作用 下面说说三极管的饱和情况。像上面那样的图,因为受到电阻 Rc的限制(Rc是固定值,那么电流为U/Rc,其中U为电源电压),集电极电流是不能无限增加下去的。当基极电流的增大,不能使集电极电流继续增大 时,三极管就进入了饱和状态。一般判断三极管是否饱和的准则是:Ib*β〉Ic。进入饱和状态之后,三极管的集电极跟发射极之间的电压将很小,可以理解为 一个开关闭合了。这样我们就可以拿三极管来当作开关使用:当基极电流为0时,三极管集电极电流为0(这叫做三极管截止),相当于开关断开;当基极电流很 大,以至于三极管饱和时,相当于开关闭合。如果三极管主要工作在截止和饱和状态,那么这样的三极管我们一般把它叫做开关管。 四、工作状态 如果我们在上面这个图中,将电阻Rc换成一个灯泡,那么当基极电流为0时,集电极电流为0,灯泡灭。如果基极电流比较大时(大于流过灯泡的电流除以三极管 的放大倍数 β),三极管就饱和,相当于开关闭合,灯泡就亮了。由于控制电流只需要比灯泡电流的β分之一大一点就行了,所以就可以用一个小电流来控制一个大电流的通 断。如果基极电流从0慢慢增加,那么灯泡的亮度也会随着增加(在三极管未饱和之前)。
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| TAJD687K004RNJ |
| TAJE687K004RNJ |
| TAJE108K004RNJ |
| TAJV108K004RNJ |
| TAJV158K004RNJ |
| TAJA106K006RNJ |
| TAJA156K006RNJ |
| TAJA226K006RNJ |
| TAJA336K006RNJ |
| TAJC476K006RNJ |
| TAJB686K006RNJ |
| TAJC686K006RNJ |
| TAJB107K006RNJ |
| TAJC107K006RNJ |
| TAJC157K006RNJ |
| TAJD157K006RNJ |
| TAJC227K006RNJ |
| TAJD227K006RNJ |
| TAJE227K006RNJ |
| TAJD337K006RNJ |
| TAJE337K006RNJ |
| TAJD477K006RNJ |
| TAJE477K006RNJ |
| TAJV477K006RNJ |
| TAJE687K006RNJ |
| TAJV687K006RNJ |
| TAJV108K006RNJ |
| TAJA475K010RNJ |
| TAJA685K010RNJ |
| TAJA106K010RNJ |
| TAJA156K010RNJ |
| TAJB156K010RNJ |
| TAJA226K010RNJ |
| TAJB226K010RNJ |
| TAJA336K010RNJ |
| TAJB336K010RNJ |
| TAJC336K010RNJ |
| TAJB476K010RNJ |
| TAJC476K010RNJ |
| TAJB686K010RNJ |
| TAJC686K010RNJ |
| TAJB107K010RNJ |
| TAJC107K010RNJ |
| TAJD107K010RNJ |
| TAJD157K010RNJ |
| TAJE157K010RNJ |
| TAJD227K010RNJ |
| TAJE227K010RNJ |
| TAJD337K010RNJ |
| TAJE337K010RNJ |
| TAJV337K010RNJ |
| TAJE477K010RNJ |
| TAJV477K010RNJ |
| TAJA225K016RNJ |
| TAJA335K016RNJ |
| TAJB335K016RNJ |
| TAJA475K016RNJ |
| TAJB475K016RNJ |
| TAJA685K016RNJ |
| TAJB685K016RNJ |
| TAJA106K016RNJ |
| TAJB106K016RNJ |
| TAJC106K016RNJ |
| TAJA156K016RNJ |
| TAJB156K016RNJ |
| TAJC156K016RNJ |
| TAJB226K016RNJ |
| TAJC226K016RNJ |
| TAJD226K016RNJ |
| TAJB336K016RNJ |
| TAJC336K016RNJ |
| TAJD336K016RNJ |
| TAJC476K016RNJ |
| TAJD476K016RNJ |
| TAJC686K016RNJ |
| TAJD686K016RNJ |
| TAJE107K016RNJ |
| TAJD157K016RNJ |
| TAJE157K016RNJ |
| TAJV157K016RNJ |
| TAJE227K016RNJ |
| TAJV227K016RNJ |
| TAJA105K020RNJ |
| TAJA155K020RNJ |
| TAJA225K020RNJ |
| TAJB225K020RNJ |
| TAJA475K020RNJ |
| TAJB475K020RNJ |
| TAJA685K020RNJ |
| TAJB68K020RNJ |
| TAJC685K020RNJ |
| TAJB106K020RNJ |
| TAJC106K020RNJ |
| TAJB156K020RNJ |
| TAJC156K020RNJ |
| TAJB226K020RNJ |
| TAJC226K020RNJ |
| TAJD226K020RNJ |
| TAJC336K020RNJ |
| TAJD336K020RNJ |
| TAJC476K020RNJ |
| TAJD476K020RNJ |
| TAJE476K020RNJ |
| TAJD686K020RNJ |
| TAJE686K020RNJ |
| TAJD107K020RNJ |
| TAJE107K020RNJ |
| TAJV107K020RNJ |
| TAJE157K020RNJ |
| TAJV157K020RNJ |
| TAJA474K025RNJ |
| TAJA684K025RNJ |
| TAJA105K025RNJ |
| TAJA155K025RNJ |
| TAJB155K025RNJ |
| TAJA225K025RNJ |
| TAJB225K025RNJ |
| TAJA335K025RNJ |
| TAJB335K025RNJ |
| TAJB475K025RNJ |
| TAJB685K025RNJ |
| TAJC685K025RNJ |
| TAJC106K025RNJ |
| TAJD106K025RNJ |
| TAJC156K025RNJ |
| TAJD156K025RNJ |
| TAJC226K025RNJ |
| TAJD226K025RNJ |
| TAJD336K025RNJ |
| TAJE336K025RNJ |
| TAJD476K025RNJ |
| TAJE476K025RNJ |
| TAJE686K025RNJ |
| TAJV686K025RNJ |
| TAJV107K025RNJ |
| TAJA104K035RNJ |
| TAJA154K035RNJ |
| TAJA224K035RNJ |
| TAJA334K035RNJ |
| TAJA474K035RNJ |
| TAJB474K035RNJ |
| TAJA684K035RNJ |
| TAJB684K035RNJ |
| TAJA105K035RNJ |
| TAJB105K035RNJ |
| TAJA155K035RNJ |
| TAJB155K035RNJ |
| TAJC155K035RNJ |
| TAJA225K035RNJ |
| TAJB225K035RNJ |
| TAJC225K035RNJ |
| TAJB335K035RNJ |
| TAJC335K035RNJ |
| TAJB475K035RNJ |
| TAJC475K035RNJ |
| TAJD475K035RNJ |
| TAJC685K035RNJ |
| TAJD685K035RNJ |
| TAJC106K035RNJ |
| TAJD106K035RNJ |
| TAJE106K035RNJ |
| TAJC156K035RNJ |
| TAJD226K035RNJ |
| TAJD336K035RNJ |
| TAJE336K035RNJ |
| TAJE476K035RNJ |
| TAJV476K035RNJ |
| TAJV686K035RNJ |
| TAJA104K050RNJ |
| TAJA154K050RNJ |
| TAJB154K050RNJ |
| TAJA224K050RNJ |
| TAJB224K050RNJ |
| TAJB334K050RNJ |
| TAJB474K050RNJ |
| TAJC474K050RNJ |
| TAJB684K050RNJ |
| TAJC684K050RNJ |
| TAJB105K050RNJ |
| TAJC105K050RNJ |
| TAJC155K050RNJ |
| TAJD155K050RNJ |
| TAJC225K050RNJ |
| TAJD225K050RNJ |
| TAJC335K050RNJ |
| TAJD335K050RNJ |
| TAJD475K050RNJ |
| TAJD685K050RNJ |
| TAJD106K050RNJ |
| TAJE106K050RNJ |
| TAJE156K050RNJ |
| TAJV226K050RNJ |
| TAJR475K002RNJ |
| TAJR685K002RNJ |
| TAJR106K002RNJ |
| TAJS106K002RNJ |
| TAJR156K002RNJ |
| TAJP226K002RN |
| TAJR226K002RNJ |
| TAJR336K002RNJ |
| TAJP336K002RNJ |
| TAJS476K002RNJ |
| TAJP476K002RNJ |
| TAJT686K002RNJ |
| TAJT107K002RNJ |
| TAJW107K002RNJ |
| TAJT157K002RNJ |
| TAJW157K002RNJ |
| TAJY157K002RNJ |
| TAJW227K002RNJ |
| TAJY227K002RNJ |
| TAJW337K002RNJ |
| TAJF477K002RNJ |
| TAJY477K002RNJ |
| TAJY687K002RNJ |
| TAJY108K002RNJ |
| TAJR225K004RNJ |
| TAJS225K004RNJ |
| TAJR335K004RNJ |
| TAJS335K004RNJ |
| TAJR475K004RNJ |
| TAJS475K004RNJ |
| TAJR685K004RNJ |
| TAJS685K004RNJ |
| TAJT685K004RNJ |
| TAJR106K004RNJ |
| TAJS106K004RNJ |
| TAJT106K004RNJ |
| TAJR156K004RNJ |
| TAJS156K004RNJ |
| TAJT156K004RNJ |
| TAJP336K004RNJ |
| TAJS336K004RNJ |
| TAJT336K004RNJ |
| TAJW336K004RNJ |
| TAJT476K004RNJ |
| TAJW476K004RNJ |
| TAJT686K004RNJ |
| TAJW686K004RNJ |
| TAJT107K004RNJ |
| TAJW107K004RNJ |
| TAJW157K004RNJ |
| TAJY157K004RNJ |
| TAJW227K004RNJ |
| TAJX227K004RNJ |
| TAJY227K004RNJ |
| TAJF337K004RNJ |
| TAJX337K004RNJ |
| TAJY477K004RNJ |
| TAJR155K006RNJ |
| TAJS155K006RNJ |
| TAJR225K006RNJ |
| TAJS225K006RNJ |
| TAJR335K006RNJ |
| TAJS335K006RNJ |
| TAJR475K006RNJ |
| TAJS475K006RNJ |
| TAJT475K006RNJ |
| TAJR685K006RNJ |
| TAJS685K006RNJ |
| TAJT685K006RNJ |
| TAJR106K006RNJ |
| TAJS106K006RNJ |
| TAJT106K006RNJ |
| TAJK156K006RNJ |
| TAJR156K006RNJ |
| TAJS156K006RNJ |
| TAJT156K006RNJ |
| TAJP226K006RNJ |
| TAJT226K006RNJ |
| TAJW226K006RNJ |
| TAJT336K006RNJ |
| TAJW336K006RNJ |
| TAJT476K006RNJ |
| TAJW476K006RNJ |
| TAJW686K006RNJ |
| TAJY107K006RNJ |
| TAJW107K006RNJ |
| TAJX157K006RNJ |
| TAJY157K006RNJ |
| TAJF227K006RNJ |
| TAJX227K006RNJ |
| TAJY227K006RNJ |
| TAJY337K006RNJ |
| TAJR105K010RNJ |
| TAJS105K010RNJ |
| TAJR155K010RNJ |
| TAJS155K010RNJ |
| TAJR225K010RNJ |
| TAJS225K010RNJ |
| TAJR335K010RNJ |
| TAJS335K010RNJ |
| TAJT335K010RNJ |
| TAJR475K010RNJ |
| TAJS475K010RNJ |
| TAJT475K010RNJ |
| TAJP685K010RNJ |
| TAJR685K010RNJ |
| TAJS685K010RNJ |
| TAJT685K010RNJ |
| TAJK106K010RNJ |
| TAJP106K010RNJ |
| TAJS106K010RNJ |
| TAJT106K010RNJ |
| TAJS156K010RNJ |
| TAJT156K010RNJ |
| TAJW156K010RNJ |
| TAJT226K010RNJ |
| TAJW226K010RNJ |
| TAJW336K010RNJ |
| TAJW476K010RNJ |
| TAJY476K010RNJ |
| TAJY686K010RNJ |
| TAJW686K010RNJ |
| TAJW107K010RNJ |
| TAJY107K010RNJ |
| TAJX107K010RNJ |
| TAJF157K010RNJ |
| TAJY227K010RNJ |
| TAJR684K016RNJ |
| TAJS684K016RNJ |
| TAJR105K016RNJ |
| TAJS105K016RNJ |
| TAJT105K016RNJ |
| TAJR155K016RNJ |
| TAJS155K016RNJ |
| TAJR225K016RNJ |
| TAJS225K016RNJ |
| TAJT225K016RNJ |
| TAJR335K016RNJ |
| TAJS335K016RNJ |
| TAJT335K016RNJ |
| TAJK475K016RNJ |
| TAJR475K016RNJ |
| TAJS475K016RNJ |
| TAJT475K016RNJ |
| TAJS685K016RNJ |
| TAJT685K016RNJ |
| TAJT106K016RNJ |
| TAJW106K016RNJ |
| TAJT156K016RNJ |
| TAJW156K016RNJ |
| TAJW226K016RNJ |
| TAJW336K016RNJ |
| TAJY336K016RNJ |
| TAJW476K016RNJ |
| TAJX476K016RNJ |
| TAJY476K016RNJ |
| TAJF686K016RNJ |
| TAJX686K016RNJ |
| TAJY686K016RNJ |
| TAJF107K016RNJ |
| TAJY107K016RNJ |
| TAJR104K020RNJ |
| TAJS104K020RNJ |
| TAJR154K020RNJ |
| TAJS154K020RNJ |
| TAJR224K020RNJ |
| TAJS224K020RNJ |
| TAJR334K020RNJ |
| TAJS334K020RNJ |
| TAJR474K020RNJ |
| TAJS474K020RNJ |
| TAJR684K020RNJ |
| TAJT684K020RNJ |
| TAJR105K020RNJ |
| TAJS105K020RNJ |
| TAJT105K020RNJ |
| TAJR155K020RNJ |
| TAJS155K020RNJ |
| TAJT155K020RNJ |
| TAJS225K020RNJ |
| TAJT225K020RNJ |
| TAJT335K020RNJ |
| TAJT475K020RNJ |
| TAJT685K020RNJ |
| TAJW106K020RNJ |
| TAJW156K020RNJ |
| TAJY226K020RNJ |
| TAJW226K020RNJ |
| TAJX336K020RNJ |
| TAJY336K020RNJ |
| TAJY476K020RNJ |
| TAJY686K020RNJ |
| TAJR154K025RNJ |
| TAJR224K025RNJ |
| TAJR334K025RNJ |
| TAJR474K025RNJ |
| TAJS474K025RNJ |
| TAJR684K025RNJ |
| TAJS684K025RNJ |
| TAJS105K025RNJ |
| TAJS155K025RNJ |
| TAJT155K025RNJ |
| TAJT225K025RNJ |
| TAJT335K025RNJ |
| TAJW335K025RNJ |
| TAJW475K025RNJ |
| TAJW685K025RNJ |
| TAJW106K025RNJ |
| TAJY156K025RNJ |
| TAJY226K025RNJ |
| TAJR104K035RNJ |
| TAJS104K035RNJ |
| TAJR154K035RNJ |
| TAJS154K035RNJ |
| TAJR224K035RNJ |
| TAJS224K035RNJ |
| TAJR334K035RNJ |
| TAJS334K035RNJ |
| TAJR474K035RNJ |
| TAJS474K035RNJ |
| TAJT474K035RNJ |
| TAJS684K035RNJ |
| TAJT684K035RNJ |
| TAJS105K035RNJ |
| TAJT105K035RNJ |
| TAJT155K035RNJ |
| TAJT225K035RNJ |
| TAJW335K035RNJ |
| TAJW475K035RNJ |
| TAJY685K035RNJ |
| TAJX106K035RNJ |
| TAJY106K035RNJ |
| TAJY156K035RNJ |
| TAJS104K050RNJ |
| TAJS154K050RNJ |
| TAJS224K050RNJ |
| TAJT334K050RNJ |
| TAJT474K050RNJ |
| TAJW105K050RNJ |
| TAJW155K050RNJ |
| TAJY33K050RNJ |
| 型 号 |
| TPME158K002R0012 |
| TPME158K002R0015 |
| TPME158K002R0018 |
| TPME687K004R0018 |
| TPME687K004R0023 |
| TPME108K004R0018 |
| TPME108K004R0023 |
| TPME158K004R0015 |
| TPME158K004R0018 |
| TPME477K006R0018 |
| TPME477K006R0023 |
| TPME477K006R0030 |
| TPME687K006R0018 |
| TPME687K006R0023 |
| TPMV687K006R0023 |
| TPME337K010R0023 |
| TPME337K010R0035 |
| TPME477K010R0023 |
| TPME477K010R0030 |
| TPME157K016R0030 |
| TPME157K016R0040 |
| TPME227K016R0025 |
| TPME227K016R0040 |
| TPME107K020R0035 |
| TPME107K020R0045 |
| TPME686K025R0045 |
| TPME686K025R0055 |
| TPME226K035R0060 |
| TPME226K035R0100 |
| TPME336K035R0050 |
| TPME336K035R0065 |
| TPME476K035R0055 |
| TPME476K035R0065 |
| TPME106K050R0120 |
| TPME156K050R0075 |
| TPME156K050R0100 |
| TPME226K050R0075 |
| TPME226K050R0100 |
| TPSB107K002R0200 |
| TPSB157K002R0150 |
| TPSB227K002R0150 |
| TPSB227K002R0600 |
| TPSD227K002R0045 |
| TPSY337K002R0040 |
| TPSD477K002R0035 |
| TPSF477K002R0200 |
| TPSY477K002R0100 |
| TPSD687K002R0035 |
| TPSE687K002R0035 |
| TPSE687K002R0050 |
| TPST687K002R0050 |
| TPSE108K002R0030 |
| TPSE108K002R0040 |
| TPSY108K002R0100 |
| TPSE158K002R0030 |
| TPSD158K002R0100 |
| TPSV158K002R0030 |
| TPSV158K002R0040 |
| TPSR106K004R3000 |
| TPSA476K004R0500 |
| TPSB107K004R0200 |
| TPSB107K004R0250 |
| TPSB107K004R0350 |
| TPSB107K004R0500 |
| TPSW107K004R0100 |
| TPSB157K004R0250 |
| TPSC157K004R0070 |
| TPSC157K004R0080 |
| TPSD227K004R0040 |
| TPSD227K004R0050 |
| TPSD227K004R0100 |
| TPSY107K004R0040 |
| TPSC337K004R0100 |
| TPSD337K004R0035 |
| TPSD337K004R0045 |
| TPSD337K004R0100 |
| TPSF337K004R0200 |
| TPSX337K004R0100 |
| TPSD477K004R0045 |
| TPSD477K004R0100 |
| TPSD687K004R0045 |
| TPSD687K004R0060 |
| TPSD687K004R0100 |
| TPSE687K004R0040 |
| TPSE687K004R0060 |
| TPSE687K004R0100 |
| TPSE108K004R0060 |
| TPSV108K004R0025 |
| TPSV108K004R0035 |
| TPSV108K004R0040 |
| TPSV108K004R0050 |
| TPSE158K004R0050 |
| TPSE158K004R0075 |
| TPSV158K004R0050 |
| TPSV158K004R0075 |
| TPSR225K006R7000 |
| TPSS475K006R4000 |
| TPSA685K006R1800 |
| TPSA106K006R1500 |
| TPSR106K006R1000 |
| TPSR106K006R3000 |
| TPSA156K006R0700 |
| TPSA156K006R1500 |
| TPSA226K006R0500 |
| TPSA226K006R0900 |
| TPSB226K006R0375 |
| TPSB226K006R0600 |
| TPSS226K006R0900 |
| TPSA336K006R0600 |
| TPSB336K006R0250 |
| TPSB336K006R0350 |
| TPSB336K006R0450 |
| TPSB336K006R0600 |
| TPST336K006R0800 |
| TPSA476K006R0800 |
| TPSB476K006R0250 |
| TPSB476K006R0350 |
| TPSB476K006R0500 |
| TPSC476K006R0300 |
| TPSB686K006R0250 |
| TPSB686KK006R0350 |
| TPSB686K006R0500 |
| TPSC686K006R0150 |
| TPSC686K006R0250 |
| TPSW686K006R0110 |
| TPSW686K006R0125 |
| TPSW686K006R0250 |
| TPSB107K006R0250 |
| TPSB107K006R0400 |
| TPSC107K006R0075 |
| TPSC107K006R0150 |
| TPSY107K006R0100 |
| TPSW107K006R0100 |
| TPSC157K006R0050 |
| TPSC157K006R0090 |
| TPSC157K006R0150 |
| TPSC157K006R0200 |
| TPSC157K006R0250 |
| TPSD157K006R0050 |
| TPSD157K006R0125 |
| TPSY157K006R0040 |
| TPSC227K006R0070 |
| TPSC227K006R0100 |
| TPSC227K006R0125 |
| TPSC227K006R0250 |
| TPSD227K006R0250 |
| TPSD227K006R0050 |
| TPSD227K006R0100 |
| TPSD227K006R0125 |
| TPSE227K006R0100 |
| TPSF227K006R0200 |
| TPSY227K006R0100 |
| TPSY227K006R0150 |
| TPSD337K006R0045 |
| TPSD337K006R0050 |
| TPSD337K006R0070 |
| TPSD337K006R0100 |
| TPSE337K006R0050 |
| TPSE337K006R0100 |
| TPSE337K006R0125 |
| TPSE337K006R0150 |
| TPSD477K006R0045 |
| TPSD477K006R0060 |
| TPSD477K006R0100 |
| TPSD477K006R0200 |
| TPSE477K006R0045 |
| TPSE477K006R0060 |
| TPSE477K006R0100 |
| TPSE477K006R0200 |
| TPSV477K006R0040 |
| TPSV477K006R0055 |
| TPSV477K006R0100 |
| TPSE687K006R0045 |
| TPSE687K006R0050 |
| TPSE687K006R0060 |
| TPSE687K006R0100 |
| TPSV687K006R0100 |
| TPSV687K006R0035 |
| TPSV687K006R0040 |
| TPSV687K006R0050 |
| TPSV108K006R0040 |
| TPSV108K006R0050 |
| TPSR105K010R9000 |
| TPSA225K010R1800 |
| TPST335K010R1500 |
| TPSA475K010R1400 |
| TPSR475K010R3000 |
| TPSR475K010R5000 |
| TPSA685K010R1800 |
| TPST685K010R1800 |
| TPSA106K010R0900 |
| TPSA106K010R1800 |
| TPSP106K010R2000 |
| TPST106K010R1000 |
| TPST106K010R2000 |
| TPSA156K010R1000 |
| TPSB156K010R0450 |
| TPSB156K010R0600 |
| TPSB226K010R0400 |
| TPSB226K010R0500 |
| TPSC226K010R0300 |
| TPST226K010R0800 |
| TPSA336K010R0700 |
| TPSB336K010R0250 |
| TPSB336K010R0425 |
| TPSB336K010R0500 |
| TPSC336K010R0150 |
| TPSC336K010R0375 |
| TPSC336K010R0500 |
| TPSW336K010R0350 |
| TPSB476K010R0250 |
| TPSB476K010R0350 |
| TPSB476K010R0500 |
| TPSB476K010R0650 |
| TPSC476K010R0200 |
| TPSC476K010R0350 |
| TPSD476K010R0100 |
| TPSW476K010R0125 |
| TPSW476K010R0150 |
| TPSW476K010R0250 |
| TPSB686K010R0600 |
| TPSC686K010R0080 |
| TPSC686K010R0100 |
| TPSC686K010R0200 |
| TPSD686K010R0100 |
| TPSD686K010R0150 |
| TPSY686K010R0100 |
| TPSY686K010R0200 |
| TPSW686K010R0100 |
| TPSW686K010R0150 |
| TPSB107K010R0400 |
| TPSC107K010R0075 |
| TPSC107K010R0100 |
| TPSC107K010R0150 |
| TPSC107K010R0200 |
| TPSD107K010R0050 |
| TPSD107K010R0065 |
| TPSD107K010R0080 |
| TPSD107K010R0100 |
| TPSD107K010R0125 |
| TPSD107K010R0150 |
| TPSE107K010R0100 |
| TPSY107K010R0100 |
| TPSY107K010R0150 |
| TPSY107K010R0200 |
| TPSX107K010R0085 |
| TPSX107K010R0150 |
| TPSX107K010R0200 |
| TPSW107K010R0150 |
| TPSD157K010R0050 |
| TPSD157K010R0085 |
| TPSD157K010R0100 |
| TPSE157K010R0100 |
| TPSF157K010R0200 |
| TPSX157K010R0100 |
| TPSY157K010R0100 |
| TPSY157K010R0150 |
| TPSD227K010R0050 |
| TPSD227K010R0100 |
| TPSD227K010R0150 |
| TPSE227K010R0050 |
| TPSE227K010R0060 |
| TPSE227K010R0070 |
| TPSE227K010R0100 |
| TPSE227K010R0125 |
| TPSE227K010R0150 |
| TPSY227K010R0200 |
| TPSD337K010R0050 |
| TPSD337K010R0065 |
| TPSD337K010R0100 |
| TPSE337K010R0040 |
| TPSE337K010R0050 |
| TPSE337K010R0060 |
| TPSE337K010R0100 |
| TPSV337K010R0040 |
| TPSV337K010R0060 |
| TPSV337K010R0100 |
| TPSE477K010R0045 |
| TPSE477K010R0050 |
| TPSE477K010R0060 |
| TPSE477K010R0100 |
| TPSE477K010R0200 |
| TPSV477K010R0040 |
| TPSV477K010R0060 |
| TPSV477K010R0100 |
| TPSA225K016R1800 |
| TPSA225K016R3500 |
| TPST225K016R2000 |
| TPSA335K016R3500 |
| TPSA475K016R2000 |
| TPSB475K016R0800 |
| TPSB475K016R1500 |
| TPSA685K016R1500 |
| TPSB685K016R0600 |
| TPSB685K016R1200 |
| TPSB106K016R0500 |
| TPSB106K016R0800 |
| TPSC106K016R0500 |
| TPST106K016R0800 |
| TPST106K016R1000 |
| TPSW106K016R0500 |
| TPSW106K016R0600 |
| TPSB156K016R0500 |
| TPSB156K016R0800 |
| TPSB226K016R0400 |
| TPSC226K016R0150 |
| TPSC226K016R0250 |
| TPSC226K016R0300 |
| TPSC226K016R0375 |
| TPSW226K016R0500 |
| TPSB336K016R0350 |
| TPSB336K016R0500 |
| TPSC336K016R0100 |
| TPSC336K016R0150 |
| TPSC336K016R0300 |
| TPSD336K016R0200 |
| TPSW336K016R0140 |
| TPSW336K016R0175 |
| TPSW336K016R0250 |
| TPSW336K016R0400 |
| TPSW336K016R0500 |
| TPSY336K016R0300 |
| TPSY336K016R0400 |
| TPSC476K016R0110 |
| TPSC476K016R0350 |
| TPSD476K016R0080 |
| TPSD476K016R0150 |
| TPSD476K016R0200 |
| TPSW476K016R0200 |
| TPSY476K016R0250 |
| TPSX476K016R0180 |
| TPSC686K016R0125 |
| TPSC686K016R0200 |
| TPSD686K016R0070 |
| TPSD686K016R0150 |
| TPSF686K016R0200 |
| TPSY686K016R0200 |
| TPSY686K016R0250 |
| TPSX686K016R0150 |
| TPSD107K016R0060 |
| TPSD107K016R0100 |
| TPSD107K016R0125 |
| TPSD107K016R0150 |
| TPSE107K016R0055 |
| TPSE107K016R0100 |
| TPSE107K016R0125 |
| TPSE107K016R0150 |
| TPSF107K016R0150 |
| TPSF107K016R0200 |
| TPSY107K016R0100 |
| TPSY107K016R0150 |
| TPSY107K016R0200 |
| TPSD157K016R0060 |
| TPSD157K016R0085 |
| TPSD157K016R0100 |
| TPSD157K016R0125 |
| TPSE157K016R0100 |
| TPSV157K016R0045 |
| TPSV157K016R0075 |
| TPSE227K016R0100 |
| TPSE227K016R0150 |
| TPSV227K016R0050 |
| TPSV227K016R0075 |
| TPSV227K016R0100 |
| TPSV227K016R0150 |
| TPSA105K020R3000 |
| TPSS105K020R6000 |
| TPSR105K020R6000 |
| TPST105K020R2000 |
| TPSA225K020R3000 |
| TPSA335K020R2500 |
| TPSB335K020R1300 |
| TPSA475K020R1800 |
| TPSB475K020R0750 |
| TPSB475K020R1000 |
| TPSA685K020R1000 |
| TPSB685K020R0600 |
| TPSB685K020R1000 |
| TPSC685K020R0700 |
| TPSB106K020R0500 |
| TPSB106K020R1000 |
| TPSC106K020R0500 |
| TPSC106K020R0700 |
| TPSB156K020R0500 |
| TPSC156K020R0400 |
| TPSC156K020R0450 |
| TPSB226K020R0400 |
| TPSB226K020R0600 |
| TPSC226K020R0100 |
| TPSC226K020R0150 |
| TPSC226K020R0400 |
| TPSD226K020R0200 |
| TPSD226K020R0300 |
| TPSC336K020R0300 |
| TPSD336K020R0100 |
| TPSD476K020R0075 |
| TPSD476K020R0100 |
| TPSD476K020R0200 |
| TPSE476K020R0070 |
| TPSE476K020R0125 |
| TPSE476K020R0150 |
| TPSE476K020R0200 |
| TPSE476K020R0250 |
| TPSD686K020R0070 |
| TPSD686K020R0150 |
| TPSD686K020R0200 |
| TPSD686K020R0300 |
| TPSE686K020R0125 |
| TPSE686K020R0150 |
| TPSE686K020R0200 |
| TPSD107K020R0085 |
| TPSD107K020R0100 |
| TPSD107K020R0150 |
| TPSE107K020R0100 |
| TPSE107K020R0150 |
| TPSE107K020R0200 |
| TPSV107K020R0060 |
| TPSV107K020R0085 |
| TPSV107K20R0100 |
| TPSV107K020R0200 |
| TPSV157K020R0080 |
| TPSA474K025R7000 |
| TPSA684K025R6000 |
| TPSA155K025R3000 |
| TPSB155K025R1800 |
| TPSB225K025R0900 |
| TPSB225K025R1200 |
| TPSB225K025R2500 |
| TPSA335K025R1000 |
| TPSA335K025R1500 |
| TPSB335K025R0750 |
| TPSB335K025R1500 |
| TPSB335K025R2000 |
| TPSB475K025R0700 |
| TPSB685K025R0700 |
| TPSC685K025R0500 |
| TPSC685K025R0600 |
| TPSC685K025R0700 |
| TPSC106K025R0300 |
| TPSC106K025R0500 |
| TPSC156K025R0220 |
| TPSC156K025R0300 |
| TPSD156K025R0100 |
| TPSD156K025R0300 |
| TPSC226K025R0275 |
| TPSC226K025R0400 |
| TPSD226K025R0100 |
| TPSD226K025R0200 |
| TPSD226K025R0300 |
| TPSD336K025R0100 |
| TPSD336K025R0200 |
| TPSD336K025R0300 |
| TPSE33K025R0100 |
| TPSE336K025R0175 |
| TPSE336K025R0200 |
| TPSE336K025R0300 |
| TPSD476K025R0125 |
| TPSD476K025R0150 |
| TPSD476K025R0250 |
| TPSE476K025R0080 |
| TPSE476K025R0100 |
| TPSE476K025R0125 |
| TPSE686K025R0125 |
| TPSE686K025R0200 |
| TPSV686K025R0080 |
| TPSV686K025R0095 |
| TPSV686K025R0150 |
| TPSV686K025R0200 |
| TPSV107K025R0100 |
| TPSA224K035R6000 |
| TPSA334K035R6000 |
| TPSA474K035R6000 |
| TPSB474K035R4000 |
| TPSA684K035R6000 |
| TPSA105K035R3000 |
| TPSB105K035R2000 |
| TPSB105K035R2500 |
| TPSA225K035R1500 |
| TPSB225K035R0750 |
| TPSB225K035R1500 |
| TPSB225K035R2000 |
| TPSC225K035R1000 |
| TPSB335K035R1000 |
| TPSC335K035R0700 |
| TPSB475K035R1500 |
| TPSB475K035R0700 |
| TPSC475K035R0600 |
| TPSC685K035R0350 |
| TPSD685K035R0150 |
| TPSD685K035R0400 |
| TPSD685K035R0500 |
| TPSD106K035R0125 |
| TPSD106K035R0300 |
| TPSE106K035R0200 |
| TPSC156K035R0350 |
| TPSC156K035R0450 |
| TPSD156K035R0100 |
| TPSD156K035R0300 |
| TPSY156K035R0250 |
| TPSD226K035R0125 |
| TPSD226K035R0200 |
| TPSD226K035R0300 |
| TPSD226K035R0400 |
| TPSE226K035R0126 |
| TPSE226K035R0200 |
| TPSE226K035R0300 |
| TPSD336K035R0200 |
| TPSD336K035R0300 |
| TPSE336K035R0100 |
| TPSE336K035R0250 |
| TPSE336K035R0300 |
| TPSV336K035R0200 |
| TPSE476K035R0200 |
| TPSE476K035R0250 |
| TPSV476K035R0150 |
| TPSV476K035R0200 |
| TPSV686K035R0150 |
| TPSV686K035R0200 |
| TPSA154K050R9000 |
| TPSA224K050R7000 |
| TPSC105K050R2500 |
| TPSC155K050R1500 |
| TPSC155K050R2000 |
| TPSD225K050R1200 |
| TPSD335K050R0800 |
| TPSD475K050R0300 |
| TPSD475K050R0500 |
| TPSD475K050R0700 |
| TPSD685K050R0200 |
| TPSD685K050R0300 |
| TPSD685K050R0500 |
| TPSD685K050R0600 |
| TPSE106K050R0400 |
| TPSE106K050R0500 |
| TPSE156K050R0250 |
| TAJA476M002RNJ |
| TAJA686M002RNJ |
| TAJB107M002RNJ |
| TAJB157M002RNJ |
| TAJB227M002RNJ |
| TAJD227M002RNJ |
| TAJD337M002RNJ |
| TAJC477M002RNJ |
| TAJD477M002RNJ |
| TAJE687M002RNJ |
| TAJD108M002RNJ |
| TAJE158M002RNJ |
| TAJV158M002RNJ |
| TAJV228M002RNJ |
| TAJA336M004RNJ |
| TAJA476M004RNJ |
| TAJB686M004RNJ |
| TAJB107M004RNJ |
| TAJB157M004RNJ |
| TAJC227M004RNJ |
| TAJD227M004RNJ |
| TAJC337M004RNJ |
| TAJD337M004RNJ |
| TAJD477M004RNJ |
| TAJE477M004RNJ |
| TAJD687M004RNJ |
| TAJE687M004RNJ |
| TAJE108M004RNJ |
| TAJV108M004RNJ |
| TAJV158M004RNJ |
| TAJA106M006RNJ |
| TAJA156M006RNJ |
| TAJA226M006RNJ |
| TAJA336M006RNJ |
| TAJA476M006RNJ |
| TAJB476M006RNJ |
| TAJC476M006RNJ |
| TAJB686M006RNJ |
| TAJC686M006RNJ |
| TAJB107M006RNJ |
| TAJC107M006RNJ |
| TAJC157M006RNJ |
| TAJD157M006RNJ |
| TAJC227M006RNJ |
| TAJD227M006RNJ |
| TAJE227M006RNJ |
| TAJD337M006RNJ |
| TAJE337M006RNJ |
| TAJD477M006RNJ |
| TAJE477M006RNJ |
| TAJV477M006RNJ |
| TAJE687M006RNJ |
| TAJV687M006RNJ |
| TAJV108M006RNJ |
| TAJA475M010RNJ |
| TAJA685M010RNJ |
| TAJA156M010RNJ |
| TAJB156M010RNJ |
| TAJA226M010RNJ |
| TAJB226M010RNJ |
| TAJA336M010RNJ |
| TAJB336M010RNJ |
| TAJC336M010RNJ |
| TAJB476M010RNJ |
| TAJC476M010RNJ |
| TAJB686M010RNJ |
| TAJC686M010RNJ |
| TAJB107M010RNJ |
| TAJC107M010RNJ |
| TAJD107M010RNJ |
| TAJD157M010RNJ |
| TAJE157M010RNJ |
| TAJD227M010RNJ |
| TAJE227M010RNJ |
| TAJD337M010RNJ |
| TAJE337M010RNJ |
| TAJV337M010RNJ |
| TAJE477M010RNJ |
| TAJV477M010RNJ |
| TAJA225M016RNJ |
| TAJA335M016RNJ |
| TAJB335M016RNJ |
| TAJA475M016RNJ |
| TAJB475M016RNJ |
| TAJA685M016RNJ |
| TAJB685M016RNJ |
| TAJC106M016RNJ |
| TAJA156M016RNJ |
| TAJB156M016RNJ |
| TAJC156M016RNJ |
| TAJB226M016RNJ |
| TAJC226M016RNJ |
| TAJD226M016RNJ |
| TAJB336M016RNJ |
| TAJC336M016RNJ |
| TAJD336M016RNJ |
| TAJC476M016RNJ |
| TAJD476M016RNJ |
| TAJC686M016RNJ |
| TAJD686M016RNJ |
| TAJD107M016RNJ |
| TAJE107M016RNJ |
| TAJD157M016RNJ |
| TAJE157M016RNJ |
| TAJV157M016RNJ |
| TAJE227M016RNJ |
| TAJV227M016RNJ |
| TAJA105M020RNJ |
| TAJA155M020RNJ |
| TAJA225M020RNJ |
| TAJB225M020RNJ |
| TAJA475M020RNJ |
| TAJB475M020RNJ |
| TAJA685M020RNJ |
| TAJB685M020RNJ |
| TAJC685M020RNJ |
| TAJB106M020RNJ |
| TAJC106M020RNJ |
| TAJB156M020RNJ |
| TAJC156M020RNJ |
| TAJB226M020RNJ |
| TAJC226M020RNJ |
| TAJD226M020RNJ |
| TAJC336M020RNJ |
| TAJD336M020RNJ |
| TAJC476M020RNJ |
| TAJD476M020RNJ |
| TAJE476M020RNJ |
| TAJD686M020RNJ |
| TAJE686M020RNJ |
| TAJD107M020RNJ |
| TAJE107M020RNJ |
| TAJV107M020RNJ |
| TAJE157M020RNJ |
| TAJV157M020RNJ |
| TAJA474M025RNJ |
| TAJA684M025RNJ |
以上库存为原装现货 价格优惠 欢迎来电垂询 0755-83041767 13510940754
铁氧体磁珠 (Ferrite Bead) 是目前应用发展很快的一种抗干扰组件,廉价、易用,滤除高频噪声效果显着。 在电路中只要导线穿过它即可(普通电阻模样的,导线已穿过并胶合,也有表面贴装的形式,但很少见到卖的)。当导线中电流穿过时,铁氧体对低频电流几乎没有什么阻抗,而对较高频率的电流会产生较大衰减作用。高频电流在其中以热量形式散发,其等效电路为一个电感和一个电阻串联,两个组件的值都与磁珠的长度成比例。磁珠种类很多,制造商应提供技术指标说明,特别是磁珠的阻抗与频率关系的曲线。有的磁珠上有多个孔洞,用导线穿过可增加组件阻抗(穿过磁珠次数的平方),不过在高频时所增加的抑制噪声能力不可能如预期的多,而用多串联几个磁珠的办法会好些。[1] 铁氧体是磁性材料,会因通过电流过大而产生磁饱和,导磁率急剧下降。大电流滤波应采用结构上专门设计的磁珠,还要注意其散热措施。 0201JR 0201KRX7R9BB271 0402CS-10NXGLW 0402CS-10NXJBW 0402CS-1...
一,电感的作用:通直流阻交流这是简单的说法,对交流信号进行隔离,滤波或与电容器,电阻器等组成谐振电路. 调谐与选频电感的作用:电感线圈与电容器并联可组成LC调谐电路。即电路的固有振荡频率f0与非交流信号的频率f相等,则回路的感抗与容抗也相等,于是电磁能量就在电感、电容之间来回振荡,这就是LC回路的谐振现象。谐振时由于电路的感抗与容抗等值又反向,因此回路总电流的感抗最小,电流量(指f=f0的交流信号),所以LC谐振电路具有选择频率的作用,能将某一频率f的交流信号选择出来。 磁环电感的作用:磁环与连接电缆构成一个电感器(电缆中的导线在磁环上绕几圈作为电感线圈),它是电子电路中常用的抗干扰元件,对于高频噪声有很好的屏蔽作用,故被称为吸收磁环,由于通常使用铁氧体材料制成,所以又称铁氧体磁环(简称磁环)。在图中,上面为一体式磁环,下面为带安装夹的磁环。磁环在不同的频率下有不同的阻抗特牲。一般在低频时阻抗很小,当信号频率升高后磁环的阻抗急剧变大。可见电感的作用如此之大,大家都知道,信号频率越高,越容易辐射出去,而一般的信号线都是没有屏蔽层的,这些信号线就成了很好的天线,接收周围环境中各种杂乱的高频信号,而这...