【应用】Littelfuse针对USB1.1/USB2.0的接口ESD保护方案,可快速响应经典干扰

2020-12-03 世强
TVS,双路单向TVS,SP1003-01ETG,SP3014-02UTG TVS,双路单向TVS,SP1003-01ETG,SP3014-02UTG TVS,双路单向TVS,SP1003-01ETG,SP3014-02UTG TVS,双路单向TVS,SP1003-01ETG,SP3014-02UTG

USB接口,是常用设备的主流接口之一。由于安规,USB设备对静电要求等级高,特别是多次插拔的静电冲击以及平时雷击情况带来的静电影响都会对接口网路的芯片造成冲击损坏的风险,故接口的保护至关重要,而采用低容值的ESD保护器件是最有效的静电保护方式。针对不同传输速率的USB应用,LITTELFUSE有相对应的ESD保护器件。


1:USB1.1的ESD保护

USB1.1可以采用SP0502(SP0502BXTG)作为D+和D-的对地接口静电保护。SP1003(SP1003-01ETG)可用于VBUS对地的接口保护。


SP0502BXTG:规格是5V的单向类型,封装SOT523的ESD类型TVS。它的接触静电±15KV和空气静电等级±20KV、静电等级高。低电容1pF,能快速响应静电干扰,不影响高频通讯的情况下保护接口芯片。

图1:SP0502BXTG的封装和原理示意图以及主要参数


SP1003-01ETG:规格是5V的单向类型,封装SOD882的ESD类型TVS。它的接触静电和空气静电等级±30KV、静电等级高。低电容30pF,同样能快速响应电源的静电干扰,保护芯片的供电系统。

图2:SP1003-01ETG的封装和原理示意图以及主要参数


2:USB2.0的端口保护

USB2.0可以采用SP3014-02(SP3014-02UTG)作为D+和D-的对地接口静电保护。SP1003(SP1003-01ETG)可用于VBUS对地的接口保护。


SP3014-02UTG:规格是5V的双路单向TVS,封装是小型的DFN(JEDEC MO-229)。它的接触静电±15KV和空气静电等级±25KV,静电等级高。完全满足国际标准的8KV测试应用。低电容1pF,能快速响应静电干扰,保护接口芯片。

图3:SP3014-02UTG的封装和原理示意图以及主要参数

 


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Littelfuse(力特)电路保护产品选型指南

目录- Company profile    Circuit Protection Technologies    Overcurrent/Overvoltage Protection device    ESD Suppression Solutions    Overcurrent Protection/Overvoltage Protection Applications    Common Circuit Threatsand Protection Solutions    Fuses    Fuse Holders    PPTC Devices    Varistors    Gas Discharge Tubes    ESD Suppressors    TVS Diode Arrays    Protection Ics    TVS Diodes    PLED Bypass Protectors    SIDACtor® Protection Thyristors    Circuit Breakers   

型号- PXXX0SAMC,LS2406ERQ23,1812L,LVR,SPHV,30KPA-HR,456SE,456SD,15KPA,345 SERIES,ITV9550 30A,AQ24CANFD,SDP,AC,RUEF110S,LS2406ERQ33,PXXX2AC,MICROSMDCH,562 SERIES,AQ1003-01ETG,SDPXXX0T023G5,150603,800,801,802,804,806,807,BA,808,BB,PGB2,PGB1,P4SMA,TSM600,PTF070,MICROASMD,SC1103C-01UTG,PTF078,PTF077,LS0504EVT233,PTF075,AQXXC-01LTG,810,811,356 SERIES,5KP,813,FB65,814,FB66,CA,CG,CH,PTF080,286677,PICOASMDCH,PXXX2AX,MINIASMDC,SMF4L,121004,B61089BDR,282008,121001,282007,820,121003,AK10-Y,821,121002,282002,823,824,282001,FB55,DA,828,DB,FB58,NANOASMDCH,820-20,830,831,834,835,TP5KP,101001,3453,3452,605,606,RKEF,607,PXXX2ACMC,LS12052BD33,AGRF,PTF0080M,B61089QDR,RUEF135V,850,851,852,3455,853,AHEF100,60R,617,618,GTCX36-XXXM-R05,PXXX0Q12X,860,862,HA,HB34,GTCX36-XXXM-R10,2920L,SP8008,AQ4337-01ETG,155 SERIES,P6SMB,803-01 SERIES,SLD,810 SERIES,870,PTF015,874,875,876,342 SERIES,877,5.0SMDJXXS-HRA,348 SERIES,30KPA,SM7,SM24CANB,SMCG-HR,TSV250,FC09B1606NL-0,SMD,SMF,TPSMB-VR,881,35408 SERIES,OMN002,400,OMN004,885,35406 SERIES,881 SERIES,OMN006,646,405,647,V20H275AUTO,407,649,RXEF,101010,52100001009,AQ24CANA,AQHVXX-01LTG,656,101002,PXXXXDF,658,101003,5KPA-HR,824-20 SERIES,5.0SMDJ,570 SERIES,AQ3530-01FTG,B-SERIES,662,663,422,664,665,LA,SMBLCE-HR,L-SERIES,AQHVXX-01LTG-C,PTF050,SC1105-01UTG,PTF055,G-SERIES,435,437,438,A-SERIES,870 SERIES,PTF065,440,RGEF,437A,441,SP1103C,443,202,203,254 121,445,446,688,447,3453 SERIES,448,449,208,209,TR600,04450001,PTF030,438A,451,SRP,452,453,454,TSM250,PTF035,213,456,215,821 SERIES,458,216,LV ULTRAMOV,459,217,218,SP3401,SP3400,AQ3522-01FTG,TPSMC,FHN26G2,TPSMB,PTF040,TPSMD,LS2405IDD23,PTF045,460,461,5KPA-HRA,462,220,464,465,466,224,467,225,576 SERIES,468,254 101,229,BXXX0CX,SL0902A,102080,470,BXXX1UX,471,472,230,473,232,233,501A,476,234,235,477,MIDSMD,PXXX4UCMC,239,MHS,850 SERIES,813 SERIES,AQ1205-01ETG,483,RA,485,487,802 SERIES,259UL913,ITV4030 22A,SM20,345121,102064,254 201 - 208,251,494,PLEDXUX,253,SD,SE,SG,SH,259,4.0SMDJ,SL1002A,SM,15KPA-HRA,15KPA-HR,GTCX37-XXXM-R10,102074,102076,102079,102078,NANOSMDCH,GTCA28-XXXM-R03,NY61AP,262,102071,263,265,266,3.0SMC,267,DSLP,268,269,LOW RHOPTC,520 002,520 003,520 004,SL1003A,520 005,1KSMB,345101,MLA,LS24062RQ23,1210L,AQ36CANA-02HTG,445073,MLE,MHP-TAM15,272,273,MLN,M-SERIES,274,E-SERIES,275,278,279,AQ3102-02HTG,MHP-TAC6,803-01,MHP-TA,285,AQ3041,SMBLCE-HRA,PLEDXUSXA,SP4322-01ETG,AQ3045,TP1.5KE,SP4208,SC1205-01ETG,820-20 SERIES,354 SERIES,CG33.0L,SP11XX,359 SERIES,MS-SERIES,111 SERIES,100 SERIES,NANOSMDC,346877,PICOASMDCH010F-2,340 SERIES,AHRF300,AHEF,342025,342024,342021,ZA,AQ3400,XGD,FH604,AQ1250-01ETG,PXXX3ACMC,FH602,PXXX6U,SP4010,342006,PLEDXN,SZD200,HG34,PLEDXS-A,J-SERIES,824 SERIES,FEMTOASMDC,ITV5432 30A,AK6-Y,557 SERIES,SL1021A,SL1021B,SP4020,SP4022,SP4021,SMDCH,SP4024,281010,SP4023,PLED,MINISMDC,AXXXXUX6,254 011 - 008,SMTAK3,PXXX0Q22XLH,MHP-TAM6,AK15,445005,281007,154T,281008,281005,AK10,AQ1005,51800001009,PXXXXS4X,ITMOV,354701 SERIES,483A,445004,LS05006VPQ33,SP4044,BXXX1UC4,SP4045,5200001,SMBJ,AQXX-01LTG,AQ7538-08UTG,SP1064E-04UTG,TCF250,SMTOAK2,SMAJ,AQ7520-08UTG,PXXX3AX,NANOASMDC,461E,811 SERIES,800 SERIES,157T,FC51,PXXX1U,PXXX1S,TRF250,SMBJ-HRA,SMDJ,CG3,SP3384NUTG,CG2,CG5,CG4,2205,CG7,B3XX4UX,CG6,VLP,VLR,0603L,PLEDXUX-A,SMCJ,PICOASMDC,LS0504EDD12,SMD2,PXXX0Q22C,GTCX35-XXXM-R05,SMDJ-HR,SMDC,TMOV34S,AHRF,440A,AXGD10603NR,K-SERIES,TPSMC-VR,H-SERIES,SZ1SMB,SZ1SMC,SZ1SMA,219XA,AK20-Y,ITV9550L2030MR,441A,SZ1.5SMC,SP1250-01ETG,C-SERIES,SC1210-01ETG,TB-SERIES,0402L,ITV9550 45A,AHRL,DHB34,FHN26W,AUML,TP6KE,LTKAK3,AQRV05-4HTG,LTKAK2,72R,977,TLP,LTKAK6,AQ15CANA-02HTG,PXXX3AC,SP3205-01ETG,501,3452 SERIES,504,505,506,507,GTCX23-XXXM-R01,508,8.0SMDJ,PXXX3U,100060,100061,100062,122090,100063,100064,100065,PXXX0SX,100066,SC1533-01LTG,SPHV-C,AHS,122093,150318,TS600,150319,150316,150317,150315,AQ3102-02JTG,150312,513,514,100058,100059,2016L,286377,122088,122087,559 SERIES,122083,GTCX26-XXXM-R05,521,523,AK15-Y,100067,526,150322,527,PXXX2SXLH,SL1411A,AK1,AK3,AK6,VTP,422A,SMCJ-HRA,ASMD,C-III,SR70,0805L,860 SERIES,RHEF,SMF3.3,303,304,305,308,35409,35408,35407,35406,TPSMA6L,PXXX2SX,SP724,SP725,SC1115-01UTG,TSL250,LOW RHO,HMOV,SP723,SP720,SP721,312,313,30R,314,556,315,557,559,318,SLD6S,SP1305,SP712,560,562,322,564,324,325,326,328,SLD5S,CX-SERIES,570,571,332,SLD8S,PXXX0SD,576,TRF600,PICOSMDC,3.0SMCJ,SZSMF,LS1205EVD33,SP1326,AQ12CANA-02HTG,340,150307,100,342,FHN20G,344,345,35407 SERIES,348,SMAJ-HRA,150300,AUMOV,LTKAK10,445 SERIES,SC1333-01ETG,RUEF,GTCX25-XXXM-R02,GTCX25-XXXM-R05,LS0502SCD33,111,354,356,52000001009,359,824-20,SP3420,150274,RUSBF,SP1003,SP3422,PXXX0ME,564 SERIES,SP2555NUTG,51900001009,10207101009,520 101,369,SL1122A,571 SERIES,SP1233,AQ2555NUTG,SP1255P,600R,PXXX4UX,WB07B0606LG,370,372,1.5SMC,TLPA,373,1.5SMB,374,SZSMF4L,377,820 SERIES,254 131,PXXX1CX2,SEPXXXXQ38,00300210,SZW200,TP5.0SMDJ,523 SERIES,SP1005,SP1006,CG32.0L,382,AQ1205-01FTG,383,385,35409 SERIES,407A,V14H460AUTO,SMA6L,391,392,CG32.5L,N-SERIES,SMA6J,395,3425L,F-SERIES,154,396,397,398,157,399,159,SC1122-01UT

选型指南  -  LITTELFUSE  - v0420  - 0420 PDF 英文 下载

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型号- LCE9.0A,1.5SMC540CA,SMCJ36CA,SA13CA,P4SMA16A,SMAJ6.0CA,30KPA45A,5KPXXX,SMAJ40CA,SMDJ12A,SMDJ43CA,SMBJ51A,5KP200A,30KPA170CA,P6SMB56A,LCE22A,SMDJ13A,20KPA26CA,P6KE22A,5.0SMDJ170A,P6KE24A,SMDJ78CA,SMDJ11A,30KPA280A,SMF26A,1.5SMC13CA,SA43A,SMCJ14CA,P4KE13CA,5KP75A,SMCJ78A,30KPA300CA,P4SMA530CA,P4SMA18A,SMDJ10A,P6KE18CA,5.0SMDJ85A,5KP78A,AK10-530C,LCE24A,P4SMA16CA,SMCJ100CA,30KPA48A,20KPA48CA,5KP,5KP28CA,P6KE20A,SMBJ300A,5KP30A,SMBJ150CA,1.5KE150A,P4SMA91CA,SMDJ170A,30KPA45CA,SMAJ70A,SA7.0CA,SMAJ75CA,AK3 - 430C,1KSMB9.1A,SMF24A,SMA6L9.0A,SMBJ16CA,SMA6JXXA,3.0SMC30A,SMA6JXXX,SMDJ58A,P6SMB170CA,SA45A,1.5KE220CA,SA48CA,SMCJ30A,P6KE540A,3KP36CA,5.0SMDJ12CA,P6KE27A,SA180A,P6SMB51A,1KSMB160CA,SMA6J5.0A,SA40A,RS232,SMCJ75A,SMA6L40A,SA22CA,P6KEXXXXXX,P6KE8.2CA,1KSMB27A,SMAJ100A,P4SMA300A,SMF22A,3KP100CA,30KPA42A,SMDJ30CA,P6SMB250A,P4SMA160CA,1.5SMC400A,1KSMB130A,P4KE130CA,P4KE180A,5.0SMDJ170CA,SA110CA,30KPA54CA,P4SMA82CA,P4KE250CA,15KPA75CA,30KPA150A,SMDJ54A,30KPA43A,3.0SMC33A,30KPA198A,AK6-170C,SMDJ160CA,1.5KE7.5A,20KPA180A,3KP14CA,SMA6L85A,SMBJ400CA,P6SMB120A,LCE20A,P6SMB51CA,3KP220CA,P4KE22CA,1.5SMC300CA,AK3-058C,P6SMB300CA,SMCJ220CA,SMF20A,15KPA40CA,1.5SMC530A,P6SMB8.2A,15KPA70A,5KP15CA,1.5KE51A,1KSMB30CA,P6KE100A,1.5SMC39CA,P4SMA56A,P6SMB,V33ZA70PX,P6SMB540CA,1.5KE36CA,SA70CA,SLD,15KPA75A,P6KE36CA,15KPA100A,5KP36A,P6SMB16A,P6SMB300A,20KPA280CA,1KSMB22A,30KPA,5KP200CA,1KSMB43CA,5.0SMDJ130A,SMAJ18CA,SA17CA,1.5KE170CA,20KPA56A,5KP90CA,3KP24A,SMF,SMDJ51A,3KP45CA,5KP190CA,P4SMA170A,04611.25ER,1.5SMC47A,P6SMB15A,SMAJ250CA,SMCJ18CA,P4SMA10A,3KP58CA,1.5KE56A,20KPA160CA,3KP190A,5.0SMDJ30CA,1.5SMC440A,SMDJ120CA,P6SMB91CA,AK10 - 170C,1.5SMC170CA,LCE64A,P4SMA12CA,SA5.0CA,1KSMB24A,P4SMA480CA,5KP24CA,P6SMB16CA,P4SMA11A,3KP22A,SMBJ90A,SMBJ12CA,P4KE530A,SAC8.0,P6SMB13A,SMAJ130CA,SMBJ350CA,SMCJ70A,SAC8.5,SMBJ5.0A,SA48A,P4SMA12A,P4KE39CA,1.5SMC220A,SMCJ100A,P6SMB12A,1.5KE10A,20KPA52A,P4SMA13A,AK6 - 430C,P6KE180CA,P6KE510CA,SMBJ2SCA,P6SMB10A,3KP28A,3.0SMCXXA,5KP7.5CA,1KSMB170A,P4SMA47CA,P6SMB11A,SLD28-018,1KSMB56CA,SMDJ5.0A,SA26CA,30KPA58CA,P6SMB100CA,5.0SMDJ78CA,3KP10CA,1.5KE12A,15KPA18CA,15KPAXXX,P4KE400A,AK15 - 058C,P6SMB58A,SMBJ170A,1.5KE10CA,AK3 - 030C,LCE60A,1KSMB68A,1KSMB20A,P4KEXXXXX,5.0SMDJ43CA,P4SMA15A,1.5KE11A,P6KE,30KPA144CA,15KPA30A,3KP26A,SMA6L5.0A,SMDJ12CA,15KPA78A,30KPA84A,P6KE27CA,5KP33A,P6SMB82CA,15KPA180CA,AK3 - 380C,1KSMB6.8CA,5KP11CA,30KPA36CA,SMBJ5.0CA,20KPA52CA,P4KE6.8CA,P6SMB47CA,SA150CA,1.5SMC250CA,P4SMA480A,P6SMB220CA,SLD17-018,1.5KE540A,1KSMB62A,SMCJ85CA,15KPA26CA,P4SMA130A,15KPA24A,30KPA90A,3KP64A,AK3 - 076C,SLD33-018,P4KE20A,1.5SMC51A,SMBJ78CA,20KPA60A,P4KE68A,SMAJ48CA,SMBJ43CA,5KP33CA,AK15 - 066C,1KSMBXXXXX,P6KEXXXXX-B,SMCJ7.5A,SMAJ400A,SLD36U-017,30KPA71CA,P4SMAXXXXX,SA90A,SMCJ110A,15KPA110CA,30KPA102A,5KP20CA,SMBJ18A,20KPA132A,SA75CA,P4KE62CA,1.5SMC75CA,SMCJ8.5CA,LCEXXXXX-B,P6SMB12CA,SMAJ300CA,3KP6.5A,P6KE220CA,SA40CA,SLD20U-017,P4SMA30CA,1.5KE27CA,15KPA22A,SACXXXX,SMAJ26CA,5KP160A,1KSMB13CA,SACXXXXX,1.5SMC6.8A,20KPA96CA,SLD16U-017,3KP9.0CA,1.5KE510CA,SMAJ-XXXXX,P6KE100CA,P6KE22CA,SMBJ16A,20KPA240CA,SMBJ30CA,1.5SMC56A,5KP28A,SMAJ36A,30KPA108A,P4SMA51A,3KP20A,15KPA28A,SMAJ8.5CA,SMAJ180A,SMBJ440CA,P4KE100A,1.5KE130CA,P4SMA43CA,SMBJ17A,SMBJ120CA,20KPA120CA,5KP8.0A,1.5SMC10A,5KP250A,15KPAXXXXXX,3KP75CA,5KP64CA,SMBJ14A,P6SMB18A,P4SMA56CA,SMAJ13CA,SMDJ16CA,SMBJ130A,1.5SMC130CA,15KPA26A,15KPA48CA,5.0SMDJ36A,AK6-430C,P4KE530CA,P4KE62A,3KP40CA,5KP120CA,SA100A,SMBJ15A,P6KE180A,SMAJ170CA,AK6 - 380C,P4SMA440A,SMBJ9.0A,20KPA56CA,15KPA180A,SMA6L43A,30KPA260CA,SMBJ12A,SMF7.5A,30KPA144A,SMAJ6.0A,P6KE62CA,5.0SMDJ100CA,SMBJ350A,3KP100A,1.5SMC91A,AK6 - 030C,SA7.5CA,SMDJ120A,1KSMB39CA,SMCJ300CA,5.0SMDJ78A,1.5SMCXXXXX,SMCJ7.0A,SMDJ51CA,15KPA22CA,5.0SMDJ30A,5.0SMDJ48CA,SMBJ13A,SACB5.0,1.5KE62CA,SLD15-018,P6SMB43CA,SMCJ170CA,P6KE75A,SMAJ33A,SMCJ54CA,P4SMA220A,30KPA75CA,P4KE480CA,AK3-015C,1.5SMC22CA,AK10 - 430C,5.0SMDJ33A,SMCJ150A,20KPA172A,P6KE6.8A,SMBJ58A,1.5KEXXXXX,5KP70A,SA6.0A,P6SMB30CA,5KP8.5A,SMAJ78A,SLD13U-017,SMAJ30A,5KP120A,5.0SMDJ26CA,SMBJ10A,SMDJ18A,SMBJ11A,5KP51CA,P4KE27A,SMAJ22CA,SMBJ220A,SMCJ6.5CA,SMAJ75A,SMCJ36A,SMAJ100CA,SMDJ60CA,5.0SMDJ75A,LCE26A,P4SMA9.1A,SMDJ17A,SMBJ7.5CA,P4SMA91A,1.5KE100A,P6SMB170A,P6KE30A,3KPXXXXXX,SMCJ45CA,3KP60A,1.5SMC180A,30KPA84CA,SMA6L48A,SMF7.0A,P6KE75CA,P4KE24A,3KP180CA,SMDJ16A,AK10-058C,SMAJ6.5A,SMBJ440A,20KPA30CA,SMCJ10CA,P6KEXXX,SMCJ58CA,SMDJ7.5CA,3KP18CA,SMA6L45A,SMAJ6.5CA,SMBJ200CA,LCE28A,5KP210A,5.0SMDJ17CA,1.5KE18CA,SMDJXXXXX-T7,5KP60CA,P4KE160CA,SMDJ15A,5.0SMDJ70CA,1.5KE320A,SMCJ33A,1.5KE8.2CA,P4SMA350A,P6SMB56CA,AK6 - 076C,P4KE22A,SMBJ54A,P4SMA6.8CA,SMF28A,SMDJ14A,SMDJ8.5A,30KPA216CA,1KSMB130CA,P4KE75CA,P4KE6.8A,1.5KE91A,SA6.5A,5.0SMDJ33CA,SA36CA,AK3-150C,SMBJ,P4SMA9.1CA,P6KE170CA,SMDJ20CA,15KPA30CA,SMF6.0A,15KPA170CA,P4SMA15CA,1.5KE160A,LCE58A,P6SMB68A,SMA6L8.5A,LCE10A,P6SMB110A,30KPA58A,1KSMB9.1CA,P4SMA7.5CA,SMAJ7.5A,3KP6.0CA,5KP64A,SMDJ160A,3KP26CA,SMAJ60A,SMAJ,P4SMA510A,P6KE36A,SMBJ40A,5.0SMDJ70A,1.5KE550CA,LCE11A,SMDJ48A,1.5KE20CA,1KSMB7.5CA,SMCJ7.0CA,SMCJ20A,P4KE3

选型指南  -  LITTELFUSE PDF 中文 下载

Littelfuse PCN41500 for SZxx series of TVS AUTO products

型号- SZ1SMA14AT3G,SZ1SMC7.5AT3G-H,SZ1SMB15AT3G-H,SZ1SMB11AT3G,SZSMF4L43AT1G,SZ3KASMC13AT3G,SZSMF48AT1G,SZ5KASMC17CAT3G,SZ1SMA UNI SERIES,SZSMF4L48CAT3G,SZ1.5SMC20AT3G-H,SZ1.5SMC22AT3G,SZ1SMB8.0AT3G,SZSMF4L15CAT3G,SZ1SMA100AT3G-H,SZ1SMB58AT3G,SZ1SMB28AT3G-H,SZ1SMA12CAT3G,SZ1SMA43CAT3G-H,SZ1SMC20AT3G-H,SZ1SMA22AT3G,SZSMF4L UNI,SZ1SMB90AT3G-H,SZ1SMB10AT3G-H,SZSMF4L43AT3G,SZP6SMB27AT3G,SZP6SMB36AT3G,SZ5KASMC10CAT3G,SZ1SMB75CAT3G,SZ1SMC12AT3G-H,SZP6SMB75CAT3G,SZ1SMA51AT3G-H,SZ1SMA36CAT3G,SZSMF4L28AT3G,SZSMF4L48CAT1G,SZ1SMB12CAT3G-H,SZSMF36AT1G-H,SZ1.5SMC30AT3G,SZ1.5SMC170AT3G,SZ1SMB110AT3G,SZ1SMB170AT3G-H,SZP6SMB150AT3G-H,SZ1SMB90AT3G,SZ1SMB28CAT3G-H,SZ1.5SMC33AT3G-H,SZP6SMB200AT3G,SZ1SMA5.0AT3G,SZP6SMB68AT3G-H,SZ2887AT3G,SZ1SMA30AT3G,SZSMF4L51AT1G,SZ1SMA85AT3G-H,SZSMF4L60AT3G,SZ3KASMC75AT3G,SZSMF4L60AT1G,SZ3KASMC20AT3G,SZ1SMB16CAT3G,SZSMF4L26AT1G,SZ1SMA43AT3G-H,SZ3KASMC30AT3G,SZSMF28AT1G-H,SZ1SMB12AT3G,SZSMF10AT1G-H,SZP6SMB12AT3G-H,SZ1SMB17CAT3G,SZ1SMC54AT3G-H,SZ1SMA8.5AT3G,SZ1SMB6.5AT3G,SZ5KASMC26CAT3G,SZP6SMB43AT3G-CA,SZSMF4L51AT3G,SZSMF4L24CAT1G,SZ1.5SMC75AT3G-H,SZP6SMB51AT3G,SZSMF4L BI SERIES,SZ1SMA28CAT3G,SZ1SMB9.0AT3G-H,SZ1SMB BI,SZ1SMA70CAT3G,SC1.5SMC62AT3G-H,SZ1SMA130AT3G-H,SZ1SMB6.0AT3G-H,SZSMF4L15CAT1G,SZP6SMB8.2AT3G,SZ1SMA13AT3G-H,SZ3KASMC14AT3G,SZ3KASMC7.5AT3G,SZP6SMB16CAT3G,SZSMF4L24CAT3G,SZ1SMC33AT3G-H,SZ1SMB24CAT3G,SZSMF4L6.5AT1G,SZ1SMA48CAT3G-H,SZSMF4L64CAT3G,SZ1.5SMC UNI SERIES,SZSMF58AT1G,SZ1.5SMC75AT3G,SZ1SMA40AT3G,SZSMF4L33CAT3G,SZSMF14AT1G-H,SZSMF4L UNI SERIES,SZ1SMB64AT3G,SZ1SMB13AT3G,SZSMF4L45AT1G,SZ1SMC150AT3G,SZ1SMA5.0AT3G-H,SZ1SMA20AT3G,SZP6SMB120AT3G-H,SZ1SMA10CAT3G-H,SZ1SMC170AT3G,SZ1SMA16AT3G,SZP6SMB180AT3G-H,SZ1SMB36CAT3G-H,SZ3KASMC11AT3G,SZP6SMB18AT3G,SZ1SMA16CAT3G-H,SZ1SMB120AT3G-H,SZSMF4L16CAT1G,SZSMF4L18AT3G,SZ1SMB60CAT3G,SZ1.5SMC62AT3G-H,SZ1.5SMC100AT3G,SZ1SMA70CAT3G-H,SZSMF4L26AT3G,SZSMF4L33CAT1G,SZ5KASMC16CAT3G,SZSMF4L64CAT1G,SZSMF4L45AT3G,SZP6SMB24CAT3G,SZ1SMC24AT3G-H,SZ1.5SMC68AT3G-H,SZSMF4L54AT3G,SZ2985AT3G,SZSMF20AT1G,SZ1SMA11CAT3G,SZP6SMB39AT3G-H,SZ1SMA150AT3G-H,SZSMF4L17AT1G,SZ1SMB75CAT3G-H,SZXX SERIES,SZ1SMB60AT3G-H,SZSMF8.0AT1G-H,SZ1SMC70AT3G-H,SZ1.5SMC16AT3G-H,SZ1SMB64CAT3G-H,SZSMF4L16CAT3G,SZ1.5SMC24AT3G,SZ1SMA13AT3G,SZ3KASMC12AT3G,SZSMF4L18AT1G,SZ1SMB9.0AT3G,SZ1.5SMC68AT3G,SZ1SMB20AT3G,SZ1SMA60CAT3G-H,SZ2841T3G,SZ1SMA90AT3G,SZ1SMC36AT3G,SZ1SMA58AT3G,SZ1SMC17AT3G-H,SZ1SMB20CAT3G-H,SZP6SMB9.1AT3G-H,SZ1SMC6.0AT3G,SZP6SMB9.1AT3G-G,SZ1SMA15AT3G,SZP6SMB33AT3G,SZP6SMB47AT3G-H,SZ1SMB14AT3G,SZ3KASMC40AT3G,SZSMF4L24AT1G,SZ1SMC75AT3G-H,SZ3KASMC UNI,SZ1SMB58CAT3G-H,SZ1SMA78AT3G,SZ1SMA40CAT3G-LM,SZ1SMA60AT3G-H,SZSMF22AT1G-H,SZ5KASMC BI,SZ5KASMC24CAT3G,SZ1SMA54CAT3G-H,SZ1SMB85AT3G,SZSMF4L6.5AT3G,SZ1.5SMC150AT3G,SCP6SMB68AT3G,SZSMF6.0AT1G,SZ1.5SMC12AT3G-H,SZ1SMB120AT3G,SZ1SMC58AT3G,SZ1SMB14CAT3G-H,SZSMF15AT1G-H,SZ1SMA85AT3G,SZ1SMC70AT3G,SZP6SMB120AT3G,SZ1.5SMC13AT3G-H,SZ1SMB11AT3G-H,SZ1SMC16AT3G-H,SZ1SMA48AT3G-H,SZ1SMA54CAT3G,SZSMF7.0AT1G,SZP6SMB BI SERIES,SZ1SMB58AT3G-H,SZP6SMB6.8AT3G,SZ1SMC64AT3G,SZ1SMC100AT3G,SZP6SMB36CAT3G-AP,SZP6SMB56AT3G-H,SZP6SMB56CAT3G,SZ1SMC43AT3G,SZ1SMC5.0AT3G,SZ3KASMC48AT3G,SZSMF4L17CAT3G,SZ1SMB70AT3G,SZSMF13AT1G,SZ1.5SMC18AT3G-H,SZ1SMB40CAT3G,SZSMF4L30CAT1G,SZSMF4L40AT3G,SZP6SMB24AT3G,SZSMF4L16AT3G,SZ1SMC26AT3G-H,SZ1SMB5.0AT3G-H,SZ1SMA120AT3G-H,SZP6SMB56AT3G-CA,SZ1SMB15AT3G,SZ1SMB130AT3G,SZP6SMB39CAT3G,SZ1SMA18AT3G,SZP6SMB91AT3G-H,SZ1SMC40AT3G-H,SZ1SMB30AT3G-H,SZSMF4L13CAT1G,SZ1SMB78CAT3G-H,SZP6SMB43AT3G-H,SZ1SMC90AT3G,SZP6SMB UNI,SZSMF4L17CAT1G,SZ3KASMC17AT3G,SZP6SMB130AT3G,SZ1SMB14AT3G-H,SZSMF4L40AT1G,SZ1SMB8.0AT3G-H,SZP6SMB22AT3G-H,SZ1SMB78AT3G,SZ1SMB170AT3G,SZ1.5SMC18AT3G,SZP6SMB27CAT3G,SZ1SMA11CAT3G-H,SZSMF4L70AT1G,SZ1SMA26CAT3G-W,SZSMF4L15AT1G,SZ1SMC20AT3G,SC1SMA12AT3G-H,SZ1SMA15CAT3G-H,SZSMF4L10CAT3G,SZ1SMC13AT3G-H,SZSMF4L13CAT3G,SZ1.5SMC39AT3G-H,SZ1SMA22CAT3G-H,SZ1SMA26CAT3G-H,SZ1.5SMC11AT3G,SZ1SMA20AT3G-H,SZ1SMC18AT3G,SC1SMB5.0AT3G,SZ1SMA9.0AT3G,SZ1.5SMC UNI,SZP6SMB20CAT3G,SZ1SMB51AT3G-H,SZSMF58AT1G-H,SZP6SMB100AT3G,SZ1.5SMC82AT3G,SZ1SMA6.0AT3G,SZ1SMB30AT3G,SZ1SMB54AT3G-H,SZSMF4L54AT1G,SZ1SMB16AT3G-H,SZ1SMA33AT3G,SZSMF4L10CAT1G,SZSMF30AT1G-H,SZ1.5SMC27AT3G,SZ1SMA18CAT3G,SZP6SMB36CAT3G,SZ1SMA48AT3G,SZSMF4L54CAT1G,SZSMF4L17AT3G,SZ3KASMC7.0AT3G,SZ1SMA17AT3G,SZ1.5SMC51AT3G-H,SZ5KASMC12CAT3G,SZSMF12AT1G,SZ1SMC6.5AT3G-H,SZ1SMB45AT3G,SZ1SMB100AT3G,SZP6SMB82CAT3G,SZ1.5SMC82AT3G-H,SZ3KASMC5.0AT3G,SZSMF4L14CAT3G,SZSMF28AT1G,SZ1.5SMC12AT3G,SZP6SMB82AT3G-CA,SZ1SMB10CAT3G-H,SZP6SMB6.8AT3G-H,SZ1SMA22CAT3G,SZ1SMB36CAT3G,SZ1SMA120AT3G,SZSMF UNI,SZ1SMB15CAT3G-H,SZ1SMB26CAT3G-H,SZ1SMB51CAT3G-H,SZP6SMB130AT3G-H,SZSMF4L16AT1G,SZSMF4L43CAT3G,SZ1SMA51CAT3G,SZ1SMB48CAT3G-H,SZ5KASMC11CAT3G,SZ1SMB40CAT3G-H,SZP6SMB62AT3G,SZ1SMB110AT3G-H,SZ1SMB20CAT3G,SZ1SMC8.0AT3G-H,SZP6SMB39AT3G,SZ1SMB26CAT3G,SZ1SMC28AT3G-H,SZSMF4L14CAT1G,SZ1.5SMC16AT3G,SZ5KASMC18CAT3G,SZ1SMA170AT3G-H,SZP6SMB160AT3G,SZ1SMA75AT3G,SZ1.5SMC30AT3G-H,SZSMF4L14AT3G,SZ1SMA150AT3G,SZ1SMB10CAT3G,SZ1SMB43CAT3G-H,SZ1SMB160AT3G-H,SZP6SMB100AT3G-H,SZP6SMB20AT3G-H,SZ3KASMC70AT3G,SZSMF11AT1G,SZ1SMB45CAT3G-H,SZ1SMB85AT

产品变更通知及停产信息  -  LITTELFUSE  - Oct 18, 2024 RAR 英文 下载

【技术大神】USB 防护电路设计及注意事项

在我们设计的一款工控机产品中采用了SP3002系列TVS二极管,该系列产品结电容仅仅0.85pF,且采用SOT23-6封装,体积非常小,适合USB端口比较密集的场合。

设计经验    发布时间 : 2016-09-07

【技术大神】小谈USB Type C接口的ESD保护方案

本文分析了ESD故障的三种类型,并以实际的案例总结了工业类产品选择ESD器件的原则和注意事项。

器件选型    发布时间 : 2017-02-09

【技术浅谈】TVS的选型计算你做对了吗?(续)

TVS的选型计算介绍。上一篇写的计算方法针对的是单次的浪涌,比如Surge test一般两次浪涌之间会有30~60 s的间隔时间,这意味着TVS有足够的时间去把吸收的浪涌能量给耗散掉,不会因为热累积而导致TVS温度过高而损坏。但是,现实中还有一些情况是会有重复浪涌的。

设计经验    发布时间 : 2024-09-07

【经验】实现USB接口静电防护的两种方法:加入ESD专用芯片和磁珠+共模抗流器

针对USB接口静电防护第一个方法是在VCC和GND管脚分别串入一个120ohm、2A的磁珠,在数据差分线上串入一个90ohm共模抗流器,共模抗流器由两根导线同方向绕在磁芯材料上。第二种做法是在USB的管脚上加入ESD专用芯片,推荐Littelfuse 公司的SP1021 TVS管。

设计经验    发布时间 : 2016-05-17

【产品】防雷击的TVS二极管,保障CAN总线通信安全

内含两个双向TVS管,泄露电流低至0.1uA,钳位电压极低。

新产品    发布时间 : 2017-03-07

数据手册  -  LITTELFUSE  - 06/28/24 PDF 英文 下载

LFPCN 41453:Commercial Grade TVS Products Wafer Size Change

型号- P4SMA16A,30KPA168A-B,SMAJ6.0CA,SMAJ40CA,SMA6J78CA,SMDJ22CA-T7,1.5KE75A-B,20KPA52CA-B,30KPA170CA,SMF10CA,5KP48A-B,5.0SMDJ170A,AK10-240C-12,AK3-430C-12,1.5KE550A-B,5KP36A-B,8.0SMDJ24A,SMDJ78CA,1.5KE110CA-B,P6KE56CA-TB,SMBJ5.0A-012,1.5SMC13CA,SMCJ14CA,5KP85CA-ER,30KPA300CA,P4SMA18A,5.0SMDJ85A,AK10-530C,P4SMA16CA,SMBJ8.5CA-KF,30KPA132CA-B,SMCJ100CA,20KPA48CA,SMBJ300A,SMF33A-T13,5KP30A,SMBJ150CA,5.0SMDJ75CA-T7,8.0SMDJ26A,SMDJ170A,1.5KE68CA-B,SMAJ70A,5.0SMDJ40A-T7,SMA6J64A,3.0SMC30A,20KPA300A-B,5KP24A-B,30KPA156A-B,SMDJ58A,SAC22-B,SA48CA,SA30CA-B,SMCJ30A,SMBJ33A-T7,P4KE300A-B,SA180A,30KPA258A-B,8.0SMDJ18CA,30KPA132A-B,SMA6L40A,3.0SMCJ13CA,SA22CA,SMF58A-T13,30KPA144A-B,P6KE8.2CA,SMAJ100A,SMDJ43A-T7,SMAJ30A-N,8.0SMDJ20A,SMCJ64A-T7,P4KE120A-B,5.0SMDJ14A-A,30KPA51A-B,1KSMB130A,P4KE180A,5.0SMDJ170CA,SA110CA,5KP5.0CA-B,SMA6L130A,30KPA54CA,P4SMA82CA,1.5KE180CA-B,SMDJ16A-ER,SMDJ54A,SMF51A-T13,30KPA198A,3.0SMC33A,SMDJ160CA,20KPA180A,SMBJ400CA,3.0SMCJ26CA,SMF36CA,SMDJ6.0A-T7,20KPA160A-B,AK6-058C-12,5KP16CA-B,P4KE43CA-B,P6SMB51CA,P4KE22CA,15KPA40A-B,15KPA90CA-B,P6KE170A-TB,8.0SMDJ22A,SMCJ220CA,SMF4L16CA,15KPA40CA,1.5KE16CA-TB,8.0SMDJ24CA-T7,1.5KE51A,LCE8.5A-B,1KSMB30CA,1.5SMC39CA,1.5KE91CA-B,SA70CA,1.5KE36CA,SMA6L26A-HL,15KPA100A,5KP36A,5.0SMDJ26A-T7,30KPA75A-B,P6SMB16A,TRANSINK288M,1KSMB43CA,SMAJ18CA,SA17CA,1.5KE170CA,5KP90CA,SA16CA-B,SMDJ40CA-T7,SA7.0CA-B,P6KE39A-B,SMDJ51A,P4SMA170A,AK10-240C-100,P6SMB15A,P6SMA440CA-L,P6KE170A-SEN,8.0SMDJ14A-T7,AK1-380C-Y,P4SMA10A,1.5KE56A,SMA6J7.5CA,8.0SMDJ100A,1.5SMC440A,SA20A-B,LCE64A,SA5.0CA,15KPA20CA-B,P4SMA480CA,SMDJ150A-T7,5KP24CA,P6SMB16CA,1.5KE12CA-B,P4SMA11A,P6KE8.2A-B,P4KE16CA-B,SMBJ90A,P6KE15CA-B,SMF64A,SMBJ12CA,SAC8.0-B,P4KE530A,P6SMB13A,5.0SMDJ40CAS,SMDJ70A-T7,30KPA258CA-B,P6KE27A-B,SMBJ5.0A,AK1-430C-Y,P4SMA12A,5KP120A-B,P4KE30A-B,P6KE15A-B,3.0SMCJ40A,30KPA43CA-B,P6SMB12A,LTKAK6-066C,SMF4L170A,5.0SMDJ17A-T7,8.0SMDJ28A,P4SMA13A,AK6-066C-Y,15KPA180A-B,P6KE180CA,5KP30CA-B,P6SMB10A,8.0SMDJ40CA,P4SMA47CA,P6SMB11A,SMF15A-T13,1KSMB56CA,5KP85A-B,P4SMA250A-SF,P6SMB100CA,5.0SMDJ78CA,15KPA18CA,1.5SMC62CA-SOE,P4KE400A,30KPA300A-B,1.5KE10CA,LCE60A,1KSMB68A,15KPA160CA-CR,SMBJ58A-ER,30KPA150CA-B,SMF60A,P4SMA15A,5.0SMDJ110A-ER,15KPA30A,SMA6J60A,SMA6L5.0A,P6KE20CA-B,P6KE27CA,SA8.0A-B,30KPA84A,15KPA58CA-B,5KP33A,P6SMB82CA,15KPA180CA,P4KE480CA-B,1KSMB6.8CA,SMDJ170CA-T7,5KP11CA,SMDJ15CA-T7,AK10-190C-Y,30KPA36CA,P4KE6.8CA,20KPA52CA,P6KE13CA-TB,SMDJ16A-T7,P6SMB47CA,SAC18-B,1.5SMC250CA,P4SMA480A,SMF40A-T13,P6SMB220CA,1.5SMC75A-ER,LTKAK6-058C,AK10-380C-12,1.5KE540A,TRANSINK200M,1KSMB62A,SA120A-B,P6KE43A-B,SMDJ200CA,P4KE300CA-B,15KPA24A,30KPA90A,SMF70A,1.5KE120A-B,HSMF4L7.0A-100,P4KE20A,SMAJ48CA,SMBJ43CA,P4KE250A-B,5.0SMDJ70AS,SMBJ5.0CA-KF,20KPA132CA-B,5.0SMDJ17AS,8.0SMDJ75A-T7,20KPA144A-B,SMCJ7.5A,SMAJ400A,30KPA71CA,SMF90A-T13,SA90A,SMF4L9.0A,30KPA102A,SMA6J16CA,20KPA172CA-B,SMBJ18A,AK10-530C-AY,SMDJ6.0CA-T7,1.5SMC75CA,P6KE220CA,SMAJ300CA,SA40CA,P6SMB440A-101,15KPA22A,5KP120CA-B,1.5SMB68A,1KSMB13CA,8.0SMDJ36A-T7,20KPA96CA,1.5KE510CA,5.0SMDJ48CAS,P6KE18A-B,P6KE100CA,SMBJ16A,20KPA240CA,SMBJ30CA,5KP28A,30KPA108A,1.5KE47A-B,3.0SMC20A-HM,SMF110A,15KPA28A,5KP7.5CA-B,SMTAK3-058C-B,P6KE11CA-B,SMAJ8.5CA,SMAJ180A,P4KE100A,1.5SMB68CA,1.5KEAAACA,20KPA132A-B,SMBJ17A,8.0SMDJ45A-T7,SMDJ120CA-T7,SMF85CA,SMBJ120CA,20KPA120CA,5KP8.0A,1.5SMC10A,SMDJ75CA-ER,5KP250A,30KPA30CA-B,SMBJ14A,P6SMB18A,1.5KE510A-B,SMDJ16CA,LTKAK2-160C-L,SMBJ130A,5.0SMDJ36CAS,P6KE180A-B,1.5SMC130CA,15KPA26A,15KPA48CA,20KPA120A-B,SMDJ440CA,AK6-430C,5.0SMDJ22A-T7,LCE18A-B,SMDJ8.5A-T7,5KP120CA,P6KE200A-B,SA100A,P4KE7.5CA-B,SMBJ15A,1.5KE43CA-B,SMAJ170CA,8.0SMDJ18A-T7,5KP64CA-N,SMA6J51CA,15KPA180A,SMA6L43A,30KPA260CA,SMBJ12A,5.0SMDJ8.5AS,SMAJ6.0A,P6KE62CA,1.5KE16CA-B,P4KE56CA-B,5.0SMDJ48AS,5KP64CA-B,1.5SMC91A,5.0SMDJ36CA-T7,20KPA34CA-B,P6KE24CA-B,SA7.5CA,SMDJ54CA-T7,1KSMB39CA,SMDJ30A-T7,SMF4L17CA,SMF4L33A,5.0SMDJ24CAS,5.0SMDJ78A,SMCJ7.0A,15KPA22CA,1.5SMB24CA,SMDJ51CA,5.0SMDJ48CA,SMBJ13A,30KPA280A-B,P6KE75A,15KPA64A-B,5KP33A-B,P4SMA220A,5.0SMDJ43CA-T7,P6KE51CA-B,P4KE480CA,AK3-015C,SMCJ150A,20KPA172A,SMDJ11CA-T7,30KPA360A,SMF4L36A,30KPA120A-B,AK3-058C-Y,SA6.0A,5KP8.5A,SMBJ220A-L,SMAJ78A,SMDJ90CA-T7,20KPA172A-B,5KP120A,8.0SMDJ30A,SMCJ5.0A-T7,SMBJ10A,P4KE27A,P4KE6.8CA-B,SMBJ11A,HTVSB7.0CA-100,SMAJ22CA,5.0SMDJ12CAS,8.0SMDJ22CA,SMCJ6.5CA,P4KE82A-B,SMAJ75A,SMCJ36A,5.0SMDJ75A,P4SMA9.1A,30KPA70CA-SS,SMA6J5.0CA,SMF54CA,P4SMA91A,1.5KE100A,5.0SMDJ78A-T7,P6SMB170A,SMCJ45CA,1.5SMB62A,SMAJ188A,30KPA84CA,SMA6L48A,P6KE75CA,P4KE24A,P4KE12CA-B,AK10-058C,8.0SMDJ48CA,SA16A-B,SMAJ6.5A,SMBJ440A,8.0SMDJ85CA-T7,SMCJ58CA,5KP160A-B,SMDJ7.5CA,SMA6L45A,15KPA54CA-B,1.5KE18CA,5.0SMDJ17CA,5KP60CA,AK10-530C-NT,5.0SMDJ70CA,SMCJ33A,P4SMA350A,8.0SMDJ48A-T7,SMA6J64CA,P4KE22A,P4SMA6.8CA,5KP45A-B,SMF4L220A,SMF4L30A,1.5KE30CA-B,SMF54A-T13,P4KE6.8A,SMBJ5.0CA-MD,SA6.5A,5.0SMDJ75A-ZTE,5.0SMDJ33CA,SA36CA,AK3-150C,P4KE82CA-B,AK20-016C-Y,SMDJ20CA,SMF6.0A,AK10-190C-100,5.0SMDJ150A-T7,LCE58A,P4SMA15CA,SMA6L8.5A,30KPA260CA-B,SAC10-B,P4KE440CA-B,SMDJ51CA-T7,SMA6J78A,SMDJ160A,SMAJ60A,P4SMA510A,8.0SM

产品变更通知及停产信息  -  LITTELFUSE  - Apr 7th , 2023 RAR 英文 下载

USB接口和SIM卡接口防静电使用的ESD器件要求有不同吗?

基本上是没有不同的,SIM卡接口有四路,分别为VBUS、DATA、CLK、RESET,每路均需要做ESD防护,而USB接口中的USB1.1/USB2.0也是四路,分别为VBUS、D+、D-、GND,其中除GND外均需要做ESD防护,不过USB3.0接口在USB1.1/USB2.0原四路信号的基础上,有新增SSTX+/SSTX-、SSRX+/SSRX-,这四路高速信号均需要做ESD防护。且工作电压VBUS也兼容(5V),如果每路均选用一颗双向的TVS管,要求直接接触的ESD耐压大于±8KV即可,当然,可以选择1颗四路双向TVS阵列做ESD防护,或者2颗双路双向TVS阵列。针对SIM卡ESD防护设计做选型推荐如下,为littelfuse(力特)保护器件:USB1.1/USB2.0ESD防护设计推荐选型如下,为littelfuse(力特)保护器件::USB3.0 ESD防护设计推荐选型如下,为littelfuse(力特)保护器件::

技术问答    发布时间 : 2018-10-27

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