【应用】工作频率小于30kHz时，耳机接口避免ESD电气危害方案
此类音频线路的最大信号值可达12Vp-p，工作频率小于30kHz。 在该频率下，不需要考虑抑制器的电容量。 存在ESD电气危害。
如下图所示（上方），可使用三个LITTELFUSE推出的分立式多层压敏电阻V14MLA0402，以便灵活布局。 由于音频信号具有模拟属性，因此建议仅在信号负值为-0.5V或更小时使用三个单级瞬态抑制二极管阵列SP0503BAHTG，如下图所示（下方），因为它们可在量值较大时削减音频信号的负值。
除了上述建议外，Littelfuse的MLV产品组合还提供其它解决方案。 例如，如果制造工艺无法处理0402规格的元件，可选用具有同等属性的0603规格的器件。IEC 61000-4-2是最适合此接口的标准规范。 通过该测试可证明终端产品不易受到ESD危害。
方案一使用的分立式多层压敏电阻V14MLA0402采用了无引线、表面贴装技术，用于抑制各种瞬态事件，包括IEC 6100-4-2规定的或其他用于电磁兼容性（EMC）标准的瞬态事件。 它可在比齐纳二极管更广泛的温度范围下工作，并有比塑料组件布局更小的封装尺寸（0402）。
方案二使用的SP0503BAHTG单级瞬态抑制二极管阵列可满足国际电工兼容性（针对静电放电要求的IEC瞬态抗扰度标准61000-4-2）。 在高至5VDC电压的条件下，可用于帮助保护敏感数据或者数据、信号或控制线路的模拟输入电路。 单片硅阵列有特别设计的瞬态电压抑制（TVS）结构组成这些结构的大小和形状专为瞬态保护而定制。其低电容和箝位电压是高速信号线保护的理想之选，用于抑制ESD和其他瞬态电压事件。
耳机接口电路图
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【应用】5V电源下在PS/2接口避免受到ESD和过电流危害的电路保护方案
PS/2接口使用的数据信号的最大量值为5V，数据传输率为10,000 bps。可在电源总线和数据线路上使用Littelfuse推出的瞬态抑制二极管SP0503BAHTG防止其受到ESD影响。同时使用了PTC，以提供自恢复过电流保护。
应用方案 发布时间 : 2018-10-07
【应用】频率低于10kHz麦克风避免ESD电气危害的两种解决方案
麦克风线路的标准信号最大值通常为5.5 Vp-p，最大频率低于10kHz。可使用Littelfuse推出的分立式多层压敏电阻V9MLA0402，以便灵活布局。 由于音频信号具有模拟属性，因此建议仅在信号负值为-0.5V或更小时使用单级瞬态抑制二极管阵列，因为它们可在量值较大时削减音频信号的负值。
应用方案 发布时间 : 2018-10-04
【应用】信号负值为-0.5V或更小时耳机采用单级瞬态抑制二极管的解决方案
此类音频线路的最大信号值可达12 Vp-p，工作频率小于30kHz。建议仅在耳机信号负值为-0.5V或更小时使用Littelfuse推出的单级瞬态抑制二极管阵列SP0502BAHTG或SP0502BAJTG，因为它们可在量值较大时削减音频信号的负值。
应用方案 发布时间 : 2018-10-08
【选型】Littelfuse（力特）压敏电阻-金属氧化物压敏电阻（MOV）选型指南
目录- 过压抑制 压敏电阻特性/术语/考量因素 压敏电阻连接示例 压敏电阻选择工作表 机构标准/免责声明 表面贴装式多层压敏电阻 径向引线式压敏电阻 工业高能端子压敏电阻 轴向引线型/专用型压敏电阻 薄型/专用型压敏电阻 高可靠型压敏电阻 TMOV®和iTMO系列 工业高能热保护压敏电阻 热保护压敏电阻 FBMOV系列
型号- V05E40P,V18MLA0805L,V18MLA0805N,V18MLA0805F,V385LA10CP,V220CH8 X,V575LA10P,V05P40P,VXXXDA40,V18MLA1210NHAUTO,V18MLN41206,TMOV14RP575E,V14H95P,V660LA100BP,TMOV34S201 EP,V10E250AUTO,TMOV34S461M,V130LA10C,V150LA20BP,TMOV14RP575M,V130LA10A,V681HG34,V10P130P,V142CA60,V270ZA05,V510LA40CP,V68ZA10P,V660LA100CP,TMOV34S661MP,V07P00P,V14H130P,V150LA20AP,V111HG34,V14P17AUTO,SMOV34S131MP,V05X50AUTO,V130LA20CP10,V22ZTX1,V3.5MLA1206,V22ZTX3,V140LA5,V47ZA7,V18RA8,V47ZA3,SMOV34S251MP,V47ZA1,V14P275P,V25S440P,V20X23P,V140LA2,V391HF34,V230LA40C,V3.5 MLA0603,TMOV34S421MP,SMOV34S131NP,V20P23AUTO,V30MLA0603,TMOV34S681M,SMOV34S251NP,V175LA20C,V230LA40A,V271HG34,V175LA20A,V20E35AUTO,V510LA40AP,TMOV34S111M,V12MLA0805L,V24RA22,V181HG34,V29MA2A,V480LTX40A,V360ZA05,V120CH8,V18ZA40PX10,V20P510P,V575LA10CP,Y9MLA0805LN,TMOV34S301MP,V18MLA0805LN,V150LA5P,RA22,V14P40P,V14P140P,V39ZA3P,V20X130P,V20E460AUTO,V20P175AUTO,V20P5AUTO,V14E40P,V625LA40A,V141DHB34,V441DHB34,TMOV34S331M,V460LA80CP,V10E30AUTO,V25S130P,V180ZA05,V321DB40,RA16,V56ZA20P,TMOV14RP750E,V3.5MLA0603NHAUTO,V481HF34,V10P150AUTO,TMOV14RP750M,V20E250P,V625LA80BP,V07E150P,V190SM7,V47ZA20P,V130LA20CX325,V20E625,V351DHB34,V05X25AUTO,V320LA40BP,TMOV34S201M,V180ZA10,V151CA32,V10P625AUTO,V14H175P,V30MLA0805LNHAUTO,V39ZA6P,V321HF34,V275LA10CP,V20E17AUTO,V481DB40,V200RA16 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LITTELFUSE General Purpose ESD Protection TVS Diode Array选型表
Littlfuse瞬态抑制二极管阵列可保护电子设备免受雷击和静电放电（ESD）等快速瞬态电压的破坏，为输入/输出接口和数字与模拟信号线提供理想的保护方案。
|
产品型号
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品类
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AEC-Q101 Qualified
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Standoff Voltage (V)
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ILeak (μA)
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ESD Contact (kV)
|
ESD Air (kV)
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Lightning Immunity (8x20μs) (A)
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Clamp Voltage
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CI/OTYP (pF)
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Polarity
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Channels
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MIN VBR@IT (V)
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Operating Temperature（℃）
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Package
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|
SC1006-01LTG
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TVS Diode Arrays
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No
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6
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0.5
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±30
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±30
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5
|
8.3V@1A
|
25
|
Unidirectional
|
1
|
N/A
|
-40° to 125°C
|
SOD523
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选型表 - LITTELFUSE 立即选型
【选型】三通道TVS阵列SP0503BAHTG用于指夹血氧仪USB充电端口静电防护，满足小型化设计需求
为避免可充电指夹血氧仪USB端口因热插拔或人体接触放电影响导致相关敏感电子元件被打死，通常需要给USB端口加上ESD防护二极管，推荐littelfuse（力特）ESD阵列SP0503BAHTG，采用SOT-143封装，最大反向工作电压5.5V，典型结电容30pF，通过IEC 61000-4-2 ESD Contact ±30kV/ Air ±30kV，工作温度范围-40℃~125℃。
器件选型 发布时间 : 2023-06-21
【选型】温湿度记录仪USB2.0端口ESD防护设计推荐TVS阵列SP0503BAHTG，接触放电达30kV
为避免温湿度记录仪USB2.0端口因热插拔和人体接触造成的ESD振击导致相关的电子器件被打死和实现小型化设计需求，推荐Littelfuse TVS阵列SP0503BAHTG，采用SOT143-4封装，最大反向工作电压5.5V，通过IEC 61000-4-2 ±30kV Contact/±30kV Air ESD认证标准。
器件选型 发布时间 : 2020-09-10
3通道TVS阵列SP0503BAHTG用于USB防护时，该如何使用？
3通道TVS阵列SP0503BAHTG用于USB防护时，其公共端接USB的电源地GND，另外3端分别接USB的电源VCC、数据线USB D+和USB D-。
技术问答 发布时间 : 2017-10-10
MLA Varistor Series Surface Mount Multilayer Varistors (MLVs)
型号- V3.5MLA0805LN,V18MLA0805N,V85MLA1210N,V3.5MLA0805,V5.5MLA0603LN,V26MLA0805,V14MLA0603N,V14MLA0805N,V18MLA1812N,V9MLA0805LN,V68MLA1206,V9MLA0402LN,V30MLA1206N,V30MLA1210N,V14MLA0805LN,MLA SERIES,V18MLA0603N,V14MLA0402N,V26MLA1206NS,V85MLA1206NS,V30MLA0805NS,V56MLA1206N,V3.5MLA1206,V30MLA1206NS,V26MLA1210N,V18MLA1210,V3.5MLA1206N,V38MLA1210NS,V18MLA0402,V18MLA0805NS,V120MLA1210N,V18MLA1206NS,V45MLA0805NS,V18MLA0402N,V30MLA0603,V120MLA1210,V5.5MLA0805N,V5.5MLA0603N,V14MLA1206N,V45MLA1812N,V5.5MLA0402N,V60MLA1210N,V26MLA0805NS,V9MLA0805NS,V5.5MLA1206NS,V22MLA1210NS,V5.5MLA0805LN,V26MLA1206N,V9MLA0603LN,V65MLA1206NS,MLA,V30MLA0805LN,V38MLA1812N,V5.5MLA1206N,V18MLA0805LN,V56MLA1206NS,V68MLA1206N,V3.5MLA0603N,V5.5MLA1210NS,V22MLA1206NS,V22MLA0805NS,V3.5MLA0805L,V3.5MLA0805N,V3.5MLA0603,V30MLA1812N,V14MLA1206NS,ML SERIES,V18MLA1206N,V18MLA1210N,V30MLA1210NS,V5.5MLA0402,V38MLA1206NS,V18MLA1210NS,V26MLA0805LN,V42MLA1206N,V5.5MLA0805NS,V26MLA1210NS,V9MLA0402L,V9MLA0402N,V18MLA1206XXX,V30MLA0603N,V30MLA0805L,V45MLA1206NS,V33MLA1206N,V48MLA1206N,V26MLA0805N,V48MLA1210LN,V9MLA0603N,V26MLA0603N,V48MLA1210N,V30MLA1210LN,V14MLA0805NS,V56MLA1210NS,V5.5MLA0402LN,V12MLA0805LN,V38MLA0805NS,V45MLA1210NS
MLA Varistor Series Metal-Oxide Varistors (MOVs) Surface Mount Multilayer Varistors (MLVs) > MLA Series data sheet
型号- V3.5MLA0805LN,V18MLA0805L,V18MLA0805N,V18MLA1206LNT,V26MLAA0805L,V85MLA1210N,V26MLA1210,V14MLA0805L,V3.5MLA0805,V5.5MLA0603LN,V26MLA0805,V14MLA0603N,V60MLA1210,V14MLA0805N,V18MLA1812N,V9MLA0805LN,V5.5MLA0603,V68MLA1206,V9MLA0402LN,V30MLA1206N,V26MLA1206,V30MLA1210N,V14MLA0805LN,V30MLA1210L,V18MLA0603N,MLA SERIES,V14MLA0402N,V56MLA1206N,V3.5MLA1206,V9MLA0402,V26MLA1210N,V18MLA1210,V3.5MLA1206N,V18MLA0402,V120MLA1210N,V14MLA1206,V18MLA0805,V18MLA0402N,V3.5 MLA0603,V30MLA0603,V120MLA1210,V5.5MLA0805L,V5.5MLA0805N,V5.5MLA0603L,V5.5MLA0603N,V12MLA0805L,V14MLA0805,V14MLA1206N,V45MLA1812N,V18MLA1206,V14MLA0402,V5.5MLA0402N,V60MLA1210N,V5.5MLA0402L,V26MLA1206A,V5.5MLA0805LN,V26MLA1206N,V9MLA0603LN,MLA,V30MLA0805LN,V38MLA1812N,V5.5MLA1206N,V48MLA1210,V18MLA0805LN,V68MLA1206N,V5.5MLA1206,V3.5MLA0603N,V85MLA1210,V26MLA0603,V3.5MLA0805L,V3.5MLA0805N,V3.5MLA0603,V30MLA1812N,V5.5MLA0805,V18MLA1206N,V18MLA1210N,V5.5MLA0402,V9MLA0603,V33MLA1206,V26MLA0805LN,V42MLA1206N,V42MLA1206,V9MLA0402L,V9MLA0402N,V18MLA1206XXX,V30MLA1210,V18MLA0603,V30MLA0603N,V30MLA0805L,V33MLA1206N,V48MLA1206N,V26MLA0805N,V48MLA1210LN,V9MLA0603L,V9MLA0603N,V56MLA1206,V48MLA1210L,V26MLA0603N,V48MLA1210N,V9MLA0805L,V30MLA1210LN,V14MLA0603,V5.5MLA0402LN,V12MLA0805LN
SP05 Series 30pF 30kV Unidirectional TVS Array TVS Diode Array Datasheet
型号- SP0502BAJTG,SP0506BAATG,SP0502BAHTG,SP0504BAHTG,SP05,SP0503BAHTG,SP0502-***TG,SP0504BAJTG,SP0505BAHTG,SP0505BAJTG,SP05 SERIES
MLA Varistor Series Metal-Oxide Varistors (MOVs)
型号- V3.5MLA0805LN,V18MLA0805L,V18MLA0805N,V85MLA1210N,V26MLA1210,V14MLA0805L,V3.5MLA0805,V5.5MLA0603LN,V26MLA0805,MHS SERIES,V14MLA0603N,V60MLA1210,V14MLA0805N,V18MLA1812N,V9MLA0805LN,V5.5MLA0603,V68MLA1206,V9MLA0402LN,V30MLA1206N,V26MLA1206,V30MLA1210N,V14MLA0805LN,V30MLA1210L,MLE SERIES,MLA SERIES,V18MLA0603N,V14MLA0402N,V56MLA1206N,V3.5MLA1206,V9MLA0402,V26MLA1210N,V18MLA1210,V3.5MLA1206N,V18MLA0402,V120MLA1210N,V14MLA1206,V18MLA0805,V18MLA0402N,V30MLA0603,V120MLA1210,V5.5MLA0805L,V5.5MLA0805N,V5.5MLA0603L,V5.5MLA0603N,V12MLA0805L,V14MLA0805,V14MLA1206N,V45MLA1812N,V18MLA1206,V14MLA0402,V5.5MLA0402N,V60MLA1210N,V5.5MLA0402L,V26MLA1206A,V5.5MLA0805LN,V26MLA1206N,V9MLA0603LN,V30MLA0805LN,V38MLA1812N,V5.5MLA1206N,V48MLA1210,V18MLA0805LN,V68MLA1206N,V5.5MLA1206,V3.5MLA0603N,V26MLA0603,V85MLA1210,V3.5MLA0805L,V3.5MLA0805N,V3.5MLA0603,V30MLA1812N,V5.5MLA0805,ML SERIES,V18MLA1206N,V18MLA1210N,V5.5MLA0402,V9MLA0603,V33MLA1206,V26MLA0805LN,V42MLA1206N,V42MLA1206,V9MLA0402L,V9MLA0402N,V18MLA1206XXX,V30MLA1210,V18MLA0603,V30MLA0603N,V30MLA0805L,V33MLA1206N,V48MLA1206N,V26MLA0805N,V48MLA1210LN,V9MLA0603L,V9MLA0603N,V56MLA1206,V48MLA1210L,V26MLA0603N,V48MLA1210N,V9MLA0805L,V30MLA1210LN,V26MLA0805L,V14MLA0603,V5.5MLA0402LN,V12MLA0805LN
Littelfuse（力特）TVS Diode Arrays (SPA® Diodes) General Purpose ESD Protection - SP05 Series SP05 Series - 30pF 30kV Unidirectional TVS Array 数据手册
型号- SP0504BAHTG,SP05,SP0503BAJT,SP0504BAHT,SP0502BAAT,SP0504BAJTG,SP0506BAAT,SP0504BAJT,SP0504BAATG,SP0503BAHT,SP0505BAAT,SP0504BAAT,SP0506BAJT,SP0505BAATG,SP0503BAJTG,SP0506BAHT,SP0503BAHTG,SP0506BAHTG,SP0502-***TG,SP0506BAJTG,SP0503BAATG,SP0506BAATG,SP0502BAJTG,SP0502BAJT,SP0502BAHTG,SP0502BAHT,SP0505BAHT,SP0505BAJT,SP0502BAATG,SP0505BAHTG,SP0503BAAT,SP0505BAJTG
MLA Varistor Series Surface Mount Multilayer Varistors (MLVs) Varistor Datasheet
型号- V9MLA0603LN,V3.5MLA0805LN,MLA,V18MLA0805N,V30MLA0805LN,V38MLA1812N,V5.5MLA1206N,V85MLA1210N,V18MLA0805LN,V68MLA1206N,V3.5MLA0603N,V5.5MLA0603LN,V14MLA0603N,V3.5MLA0805N,V14MLA0805N,V30MLA1812N,V18MLA1206N,V18MLA1812N,V9MLA0805LN,V9MLA0402LN,V30MLA1206N,V30MLA1210N,V18MLA1210N,V14MLA0805LN,MLA SERIES,V18MLA0603N,V26MLA0805LN,V14MLA0402N,V42MLA1206N,V56MLA1206N,V26MLA1210N,V3.5MLA1206N,V120MLA1210N,V9MLA0402N,V18MLA1206XXX,V30MLA0603N,V18MLA0402N,V33MLA1206N,V48MLA1206N,V26MLA0805N,V48MLA1210LN,V9MLA0603N,V5.5MLA0805N,V26MLA0603N,V48MLA1210N,V5.5MLA0603N,V30MLA1210LN,V14MLA1206N,V45MLA1812N,V5.5MLA0402N,V5.5MLA0402LN,V60MLA1210N,V5.5MLA0805LN,V26MLA1206N,V12MLA0805LN
电子商城
品牌：LITTELFUSE
品类：Surface Mount Multilayer Varistors
价格：￥1.1828
现货： 0
现货市场
服务
可定制LAMP LED、 CHIP LED、 PLCC LED、 汽车用车规级LED、COB LED的尺寸/电压/电流等参数，电压1.5-37V，电流5-150mA，波长470-940nm。
最小起订量： 30000 提交需求>
可定制单色光灯珠、双色灯珠、全彩灯珠、发光二极管、贴片灯珠、贴片LED等产品，尺寸：0.6*0.3mm-3.2*2.7mm，波长：405-940nm，亮度：24-750mcd，电压：1.5-3.5V。
最小起订量： 3000 提交需求>
授权代理品牌：集成电路
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授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
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授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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