【经验】MOV压敏电阻可应用于手机,有效减少ESD对手机造成的损害
手机,是我们接触最频繁的电子设备产品,其音频线路端口、输出输入端口都是裸露于外界中,从而很容易受到ESD静电放电以及外界干扰,为了能有效改善这种情况,我们都会选择ESD器件来防护。
ESD器件形式种类多样,MOV压敏电阻就是其中一种,它是一种具有非线性伏安特性的过压型防护器件产品,主要应用在雷击浪涌,ESD(静电放电),以及脉冲过压的电子设备防护,其作用是进行电压钳位以吸收电路过压期间产生的过大电流。
压敏电阻的应用也十分广泛,那么他能否应用于手机中呢?答案是可以的。为什么呢?随优恩半导体一起从这几个方面来看:
1、MOV压敏电阻体积小,可为PCB节省大量空间
压敏电阻静电容量大,尺寸与TVS管类似,但TVS管静电容量小,还要搭配其他产品一起使用,但压敏电阻刚好能同时满足尺寸小以及静电容量大的特性,还能有效节省PCB电路的空间。
2、有效保持音频音质
压敏电阻是没有极性的,因此它的电压电流IV曲线上升较慢,就有效保持了音频音质,失真比较不容易发生。
3、能够抑制噪声
压敏电阻的静电电容能够从几pF到几百pF,而音频电路发出的噪声是大多是100MHz到几GHz,所以压敏电阻是能够利用其静电电容来抑制噪声的。
MOV压敏电阻在手机上的应用,有效减少了ESD对手机造成的损害。
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本文由犀牛先生转载自优恩半导体,原文标题为:压敏电阻能否应用于手机中?,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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UN1206-XXXH Series MULTILAYER CHIP VARISTORS DATA SHEET
型号- UN1206-240H,UN1206-560H,UN1206-210H,UN1206-120H,UN1206-330H,UN1206-300H,UN1206-420H,UN1206-XXXH,UN1206-101H,UN1206-180H,UN1206-8V0H,UN1206-270H,UN1206-390H,UN1206-5V0H,UN1206-360H,UN1206-470H,UN1206-680H,UN- 1206270- H,UN1206-820H
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介绍压敏电阻的特点及应用
压敏电阻(Varistor)是一种电压敏感型电阻元件,当施加的电压超过其额定值时,电阻迅速减小,从而起到过电压保护作用。它广泛应用于电子设备中,防止电路因瞬态电压、浪涌电流或雷击等引发的损坏。本文中优恩半导体来为大家介绍压敏电阻的特点及应用,希望对各位工程师朋友有所帮助。
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【应用】符合IEC 61000-4-5 Surge的AC36V电源端口浪涌&过压防护解决方案
AC36V电源广泛使用在工矿、船舶等LED电源,设备易遭受气候环境的影响而导致击雷击浪涌及过过压等损坏。本文推荐陶瓷气体放电管与压敏电阻串联搭配使用,可以延长压敏电阻的使用寿命及降低压敏电阻的漏电流,且后端的残压较单级防护降低很多。
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【技术】解析MOV压敏电阻的两大电路防护作用
压敏电阻中电阻的材料为半导体,因此压敏电阻其实也属于一种半导体电阻器。MOV压敏电阻作为一种防护器件,你知道它在电路中发挥着什么样的作用吗?现在本文优恩半导体就带你了解MOV压敏电阻的两大电路防护作用。
【技术】解析压敏电阻的生产过程
压敏电阻是一种具有特殊性质的电阻器件,它可以在电压变化时产生电阻值的变化,从而起到保护电路的作用。其特殊的电阻性质决定了它具有抗静电、耐高温和高电压等特点,因此在电子、通信、汽车等领域得到了广泛应用。本文优恩半导体介绍压敏电阻的生产过程。
DC24V电源端口浪涌保护
DC24V电源端口浪涌保护DC24V电源是一种为设备提供稳定、可靠的直流电压输出的电源,其广泛应用于工业自动化控制系统。此方案设计为多级保护的方式,初级采用通流能力较强的陶瓷气体放电管和压敏电阻组合来承受泻放大的浪涌电流,中间使用电感做退耦,次级选用响应电压精准、稳定且快速的TVS管做保护,能有效抑制各类浪涌过电压,使后端的DC芯片及电路得到全面的保护。
【技术】TVS管被击穿后的失效模式有哪些?
TVS(瞬态抑制二极管)可有效防护电路遭受瞬态浪涌电压及电流的危害。但它一旦被击穿,可能出现的现象一般有哪些?今天优恩半导体来为大家讲解。GDT放电管、TSS放电管、压敏电阻等电子元件是现如今在电子电路防护中用的比较多的几种过压保护器件,其应用领域十分广泛。
静电放电抑制器、压敏电阻(ESD/CHIP VARISTOR)
型号- PD12S180A452PT,JV06ML68301PT,PD02S5R5D281PT,UMS06A05T2V2,PD05S090N132PT,PD02S090N201PT,PD02S05UN251PT,PD02S180H100PT,JV12ML85401PT,MSA34A05T2V2,JL03ML18030PT,JL02ML18200PT,JV20ML18113PT,PD03S120N301PT,MS04A12T2V2,MS06A12T2V2,JV12ML68771PT,PD05S050N222PT,JV05ML18691PT,PD03S100D301PT,PD03S120D301PT,JL02ML14500PT□,PD02S030N251PT,PD03S220N181PT,PD20S180A113PT,MS04A24T2V2,JL02ML18050PT,MS06A24T2V2,MS04A03T1V1,PD03S180H100PT,PD02S180N400PT,PD05S180A651PT,JV10ML56331PT,PD02S180H300PT,UMS04A05T2V2,PD03S9R1D301PT,PD05S280D291PT,JV12ML30292PT,JV12ML151201PT,PD05S260D291PT,JL02ML12101PT,JV05ML09971PT,JV06ML38451PT,PD05S240D291PT,JV05ML05172PT,JL02ML18101PT,PD05S130D561PT,JV02ML12161PT,JV02ML18850PT,JL03ML18050PT,PD10S180A2721PT,PD03S180N400PT,UMS04A05T1V1,MSA34A05T1V1,PD02S3R3D251PT,JV03ML12341PT,MS06A05T1V1,JV05ML03302PT,JV20ML68222PT,PD05S030N302PT,MS06A03T1V1,JV02ML05281PT,PD02S180H020PT,JV06ML56311PT,PD02S140N141PT,JL03ML18300PT,JV12ML05113PT,JV10ML30931PT,PD03S180H200PT,JV06ML05152PT,JV05ML26421PT,UMS06A03T2V2,JV12ML171181PT,PD05S260N291PT,JL02ML18030PT,PD02S4R1D221PT,JV03ML14241PT,PD03S140N241PT,MS04A03T2V2,JV03ML05801PT,PD20S380A402PT,JV02ML14141PT,PD02S180H050PT,JL02ML18400PT,PD03S180H060PT,PD03S050H020PT,JV12ML45192PT,JV10ML30541PT,PD03S4R1D102PT,PD03S090N361PT,PD02S180N850PT,PD05S120N901PT,JL02ML18100PT,JV20ML45402PT,MS06A05T2V2,PD03S6R5D601PT,PD03S05UN331PT,MS04A05T2V2,JL03ML14500PT,JV06ML30501PT,PD03S050N801PT,MS06A03T2V2,PD03S3R3D112PT,PD03S050H050PT,JV20ML38472PT,PD05S180D381PT,PD05S150D381PT,PD02S3R3DM/271PT,PD03S050N361PT,UMS06A12T2V2,JV05ML12951PT,PD03S180H030PT,UMS04A12T2V2,PD02S120N161PT,PD02S120D201PT,PD02S100D201PT,MSA34A24T2V2,JV03ML30111PT,JV05ML22621PT,UMS04A03T1V1,UMS06A03T1V1,JL02ML14500PT,UMS06A24T2V2,PD06S180A901PT,JL03ML14101PT,JL02ML14101PT,PD05S140N701PT,UMS04A24T2V2,MSA34A03T1V1,JV06ML05402PT,PD02S180H030PT,JL03ML18100PT,MSA34A12T2V2,JV12ML56132PT,PD02S050N361PT,PD05S200D291PT,PD02S180H200PT,JV05ML68850PT,JV12ML38222PT,PD05S220D291PT,JV12ML18552PT,JV10ML38701PT,UMS06A05T1V1,MSA34A12T1V1,JL03ML18200PT,MS04A05T1V1,PD03S180H300PT,PD12S380A302PT,JV05ML30291PT,JV12ML121301PT,PD03S5R5D641PT,JV03ML22181PT,JV06ML33701PT,JV02ML22750PT,PD03S180N221PT,PD02S220N750PT,JV03ML05361PT,JV03ML26900PT,PD03S180H050PT,JV02ML03251PT,JV12ML12642PT,UMS04A03T2V2,JL02ML18300PT,JL03ML12101PT,JV05ML14102PT,MSA34A03T2V2,JL03ML18060PT,JL03ML18400PT,PD03S030N122PT,JV03ML09301PT,PD02S180H010PT,JL03ML18101PT,JV03ML18221PT,PD05S220N421PT,PD02S9R1D201PT,PD05S180N691PT,JV06ML18112PT,JV02ML09201PT,JV03ML03112PT
【技术】探讨压敏电阻的作用以及经常发生烧毁的原因
优恩半导体将在本文介绍压敏电阻的作用以及经常发生烧毁的原因。压敏电阻是在一定电流电压范围内电阻值随电压而变,也可以说是电阻值对电压敏感的阻器。压敏电阻是按用途来命名,称为突波吸引器,或电冲击(浪涌)抑制器(吸收器)。
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可定制分流器电阻范围20uΩ~100uΩ,可自由设计铜排形状尺寸,电镀:镀锡/镀镍。支持RoHS指令 、AEC-Q200。认证资格:IATF16949;ISO9001;检测精度:0.1%。
最小起订量: 100个 提交需求>
配备KEYSIGHT网络分析仪,可测量无线充电系统发射机/接收机线圈的阻抗,电感L、电阻R、电感C以及品质因数Q,仿真不同充电负载阻抗下的无线充电传输效率。支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳 提交需求>
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