【技术】浅谈TVS瞬态抑制二极管单双方向区分及不同点
TVS管又叫瞬态电压抑制二极管,英文称:Transient Voltage Suppressor;简称TVS,是一种二极管形式的高效能保护器件。一旦确认客户的产品需要防止过高的电压和瞬态浪涌,相信大多数工程师会优先考虑TVS瞬态抑制二极管是否能满足客户产品的保护要求。而直流保护一般采用单向TVS管,交流保护一般采用双向TVS管,多路保护采用TVS阵列元件,大功率保护采用TVS专用保护模块。
但是相比其他的电路保护器件直接的选型应用,TVS二极管在测试前还是先区分其单双向。虽然最终作用相同,但是单向和双向TVS二极管的适用范围仍然不同。双向TVS二极管适用于交流电路,单向TVS二极管一般用于直流电路。而初学者工程师刚接触TVS二极管时,是没办法迅速区分TVS二极管的单向和双向。而这篇文章中,全业电子整理了快速区分TVS瞬态抑制二极管的单向和双向资料以供大家参考。
一、区分TVS瞬态抑制二极管单双向
(1)看型号。仅从型号表面就可以判断,不同品牌的命名方法不同,但有规律。
(2)阅读规格书时通常在第一页。双向是双向导通,单向是单向导通。
(3)用万用表测,测量二极管的档位,单向一边通,双向两边都有电压;测直流,双向对称,单向只有反向是雪崩击穿特性,一般1mA下测。
(4)所有TVS管放大后都会有阴极线,用于区分二极管的正负极,与单向和双向无关。
二、TVS瞬态抑制二极管单双向使用上不同点
(1)单向TVS二极管用于直流,并且只能保护正脉冲或负脉冲;而双向TVS二极管用于交流;用于保护装置的一端与要保护的线路连接,一端接地,无论是从反向还是从正向ESD脉冲释放,更有效地保护集成电路。
(2)TVS管有单向与双向之分, 单向TVS管的正向特性与普通稳压二极管相同,反向击穿拐点处近似“直角”的硬击穿为典型的PN结雪崩。当有瞬时过压脉冲时,器件的电流急骤增加而反向电压则上升到箝位电压值,并保持在这一水平上;双向TVS管的V-I特性曲线如同两只单向TVS“背靠背”组合,其正反两个方向都具有相同的雪崩击穿特性和箝位特性,正反两面击穿电压的对称关系为0.9≤VBR(正)/VBR (反)≤1.1。一旦加在它两端的干扰电压超过箝位电压Vc就会立刻被抑制掉。
(3)极间电容Cj,单向的比双向的大,以LRC的为例,单向的电容C有65PF,双向的只有15PF;
(4)USB数据线上全部用的双向;
(5)电流曲线不同。单方向的TVS管的电路符号与普通的稳压管相同,其正向特性与普通二极管相同,反向特性为典型的PN结雪崩器件。双向二极管正反向都是典型的PN结雪崩器件。
拓展相关资料:
双向TVS二极管能不能用单向TVS二极管来用
TVS管在市场上的应用范围更广,在产品单价上基本没有差别,关键参数电容C越低越好,导致电子市场和小型工厂普遍采用双向TVS管。但是通过以上分析比较,单向TVS二极管和双向TVS二极管有很多不同,当然很多地方可以用双向TVS二极管代替单向TVS二极管,但是最重要的是看项目的电路设计,有些只能用单向TVS二极管。
深圳全业电子有限公司是一家台湾品牌的过压过流保护器件、半导体器件等电子元器件原生产厂家研发、生产、销售为一体技术企业,二十年以来主要生产ESD防静电保护二极管、TVS瞬态抑制二极管、GDT陶瓷气体放电管、插件自恢复保险丝、贴片自恢复保险丝、一次性贴片保险丝、圆形保险丝、方形保险丝、TSS半导体放电管、 贴片压敏电阻、插件压敏电阻(直插压敏电阻)、SPG玻璃放电管等生产产线,专业的团队以及海量现货库存,为客户提供更优质的服务。如有需要,请联系世强平台工作人员。
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本文由carat转载自全业电子,原文标题为:浅谈TVS瞬态抑制二极管单双方向区分及不同点,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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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
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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
WAYON(维安)TVS/肖特基/稳压管产品选型指南
描述- 公司于1996年由上海材料研究所创建,二十多年来,维安始终致力于成为电路保护与功率控制领域的全球领先品牌,持续推出新产品和新方案,为消费类电子、工业与物联网、汽车、新能源、网络通信等领域提供产品及服务,使全球客户的产品更安全、可靠、高效。
型号- WSR4020D1F,WSXXP6SMAF,WS15P10SMB-B,WZ5C2V4~62VT,WS20P10SMB-BHS,WSR4003BL,WSR15020CT,SMF20CAS,WS1236M,WSRXXXXD1F,5.0SMDJ58CA,WS30P6SMA-BNRH,WSR10005U,WSR10020CT,WSXXP4SMA,WSRXXXXCDS,SMFXXA,SMFXXCA,WSR4003AL,WS05-4R2P,WSXXP15SMC-B,WZ5C2V0~75VD3F,WSR10010U,WSR4001A,WS36P4SMA,WS30P10SMB-BNRH,WSR15010CT,WS5414KC,WSR10020FCT,WSXXP6SMB-B,WSR20010CT,WSR4510U,SMF18A,WSR10010FCT,WSXXP10SMB-B,WS03-4TP,WZ5B2V4~75VF,WS58P60SMC-BH,WSR4002A,WSXXP6SMAF-B,WS18P4SMA,WS30P20SMB-BHNR,WS18P10SMB-B,WSRXXXXFCT,SMF3.3A,WSR20020CT,WSR10015U,SMF13A,WS9.0P4S1,WSXXP4SMA-B,WS05-4RUL,WSXXP6SMB,5.0SMDJ20CAS,WS13P4SMA,SM4FXXCA,WSR6020D1F,SM4FXXA,WSXXP10SMB,WSRXXXXB,WSRXXXXC,WSR4003B,WE05-4RVLC,WSR4030D1FL,WSRXXXXA,WSR6030D1F,6.0SMDJ30CA,WS58P20SMB-BH,SMF5.0A,SMF36A,WSR4520FCT,WSR10010CT,WZ5C2V4~75VD1,WSRXXXXU,WS05-4R3P,WSR20010FCT,WSRXXXXCT,WZ5C2V4~75VD5,WSXXP15SMC,WS24P10SMB-BHS
【经验】对交流电感电路进行电弧抑制的几种方法
交流电弧抑制需要使用金属氧化物压敏电阻器(MOV)、双向瞬态电压抑制器(TVS)二极管或RC抑制电路(RC缓冲器)。Littelfuse推出的SP1103C系列80A离散型双向瞬态抑制二极管可为电路设计师提供更低的断态电压,用于保护低压电源总线免受静电放电(ESD)的损坏。
设计经验 发布时间 : 2018-11-14
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。
应用方案 发布时间 : 2024-01-24
TVS 选型指南
型号- SM6SXXA,20KPXXCA,P5SXXCA,30KPXXCA,P8SXXCA,SMFJXXCA,5.0SMDJXXCA,8KPXXCA,P10SXXCA,AK10-XXX,P5TXXA,1.5KEXXA,AK6-XXX,1.5KEXXCA,1.0SMBJXXCA,AK1-XXX,SMDJXXA,3KPXXCA,SMBJXXA,5KPXXA,P6SXXA,15KPXXA,8KPXXA,SMAJXXCA,20KPXXA,P6KEXXA,SMAJXXA,AK3-XXX,P5SXXA,P10SXXA,3KPXXA,SMDJXXCA,P6SXXCA,SMFJXXA,SM8SXXA,SMBJXXCA,1.0SMBJXXA,5.0SMDJXXA,1.5SMBJXXA,P6KEXXCA,30KPXXA,SM5SXXA,P8SXXA,1.5SMBJXXCA,15KPXXCA,SMCJXXA,5KPXXCA,SMCJXXCA
【经验】如何区分瞬态抑制二极管的方向
TVS二极管在测试前要先区分其单双向。虽然最终的作用是一样的,但是单双向TVS二极管的适用范围还是有差别的,双向TVS管适用于交流电路,单向TVS管一般用于直流电路。本文的目的是教大家如何区分瞬态抑制二极管的方向。
设计经验 发布时间 : 2019-03-15
SMBJ Series 5.0 To 440 V 600W Surface Mount Transient Voltage Suppressors (TVS)
型号- SMBJ30,SMBJ,SMBJ220CA,SMBJ51C,SMBJ8.5CA,SMBJ51A,SMBJ75C,SMBJ75A,SMBJ160C,SMBJ160A,SMBJ70CA,SMBJ28,SMBJ26,SMBJ24,SMBJ22,SMBJ20,SMBJ40C,SMBJ78CA,SMBJ17CA,SMBJ40A,SMBJ64C,SMBJ64A,SMBJ43CA,SMBJ19,SMBJ20CA,SMBJ17,SMBJ18,SMBJ15,SMBJ16,SMBJ13,SMBJ14,SMBJ11,SMBJ12,SMBJ10,SMBJ160CA,SMBJ7.0C,SMBJ7.0A,SMBJ180,SMBJ85C,SMBJ85A,SMBJ28CA,SMBJ150C,SMBJ54CA,SMBJ18C,SMBJ18A,SMBJ300A,SMBJ150A,SMBJ150CA,SMBJ190,SMBJ6.0CA,SMBJ16CA,SMBJ80CA,SMBJ19C,SMBJ100CA,SMBJ19A,SMBJ6.5C,SMBJ160,SMBJ6.5A,SMBJ16C,SMBJ140C,SMBJ16A,SMBJ28C,SMBJ30CA,SMBJ28A,SMBJ5.0,SMBJ140A,SMBJ170CA,SMBJ400A,SMBJ8.0C,SMBJ170,SMBJ8.0A,SMBJ60C,SMBJ60A,SMBJ440CA,SMBJ15CA,SMBJ64CA,SMBJ17C,SMBJ17A,SMBJ120CA,SMBJ250A,SMBJ140,SMBJ26CA,SMBJ400CA,SMBJ14C,SMBJ14A,SMBJ26C,SMBJ75CA,SMBJ6.5,SMBJ26A,SMBJ6.0,SMBJ90CA,SMBJ110CA,SMBJ7.0CA,SMBJ130C,SMBJ130A,SMBJ150,SMBJ70C,SMBJ7.5A,SMBJ14CA,SMBJ70A,SMBJ7.5C,SMBJ40CA,SMBJ15C,SMBJ15A,SMBJXXXXX,SMBJ120,SMBJ9.0C,SMBJ9.0A,SMBJ48CA,SMBJ11C,SMBJ12A,SMBJ36C,SMBJ51CA,SMBJ24C,SMBJ7.5,SMBJ36A,SMBJ24A,SMBJ48C,SMBJ48A,SMBJ7.0,SMBJ130CA,SMBJ120C,SMBJ350A,SMBJ120A,SMBJ6.5CA,SMBJ130,SMBJ80C,SMBJ13CA,SMBJ80A,SMBJ12C,SMBJ36CA,SMBJ13C,SMBJ13A,SMBJ85CA,SMBJ8.0CA,SMBJ100,SMBJ90,SMBJ8.5C,SMBJ24CA,SMBJ8.5A,SMBJ45C,SMBJ33C,SMBJ58C,SMBJ190A,SMBJ22A,SMBJ58A,SMBJ8.5,SMBJ8.0,SMBJ190C,SMBJ110A,SMBJ110C,SMBJ300CA,SMBJ110,SMBJ85,SMBJ80,SMBJ90C,SMBJ90A,SMBJ12CA,SMBJ10C,SMBJ10A,SMBJ22C,SMBJ58CA,SMBJ11A,SMBJ220A,SMBJ350CA,SMBJ180CA,SMBJ78,SMBJ75,SMBJ5.0A,SMBJ5.0C,SMBJ70,SMBJ43C,SMBJ43A,SMBJ180A,SMBJ7.5CA,SMBJ9.0,SMBJ180C,SMBJ100A,SMBJ64,SMBJ100C,SMBJ60,SMBJ19CA,SMBJ11CA,SMBJXXXCA,SMBJ20C,SMBJ20A,SMBJ45A,SMBJ33A,SMBJ9.0CA,SMBJ60CA,SMBJ58,SMBJ54,SMBJ440A,SMBJ51,SMBJ22CA,SMBJ45CA,SMBJ200CA,SMBJ78A,SMBJ170C,SMBJ170A,SMBJ10CA,SMBJ48,SMBJ45,SMBJ190CA,SMBJ43,SMBJ6.0C,SMBJ40,SMBJ6.0A,SMBJ30C,SMBJ33CA,SMBJ18CA,SMBJ30A,SMBJ54C,SMBJ250CA,SMBJ54A,SMBJ78C,SMBJ SERIES,SMBJ200A,SMBJ36,SMBJ33,SMBJ140CA,SMBJ5.0CA
【选型】如何为车载12V电源/24V电源端口过压保护选择一款合适的TVS保护器件?
为满足车载电源符合JASO高耐压测试标准,通常在直流电源输入端加入一款双向TVS管做过压防护设计,推荐硕凯的双向TVS管TPSMBJ22CA,TPSMBJ24CA,TPSMBJ33CA,TPSMBJ36CA,可以满足设计需求。
器件选型 发布时间 : 2019-07-18
全业电子(QY Semiconductor)TVS瞬态抑制二极管选型指南
目录- Surface Mount Transient Voltage Suppressors Axial/Radial Lead Transient Voltage Suppressors
型号- 5.0SMDJ170C,P4SMA16A,SMAJ6.0CA,SMAJ40CA,SMF10CA,KD-012,5.0SMDJ170A,15KP58A,SMAJ6QC,8.0SMDJ24A,SMDJ78CA,KD-015,5.0SMDJ15,5.0SMDJ14,KD-025,5.0SMDJ13,5.0SMDJ12,5.0SMDJ19,KD-020,5.0SMDJ18,20KP204CA,5.0SMDJ17,5.0SMDJ16,5.0SMDJ300CA,1.5SMC13CA,5.0SMDJ11,SMCJ14CA,P4SMA18A,SMDJ58C,5.0SMDJ85C,5.0SMDJ85A,P4SMA16CA,SMCJ100CA,P6KE68C,5KP30C,SMBJ300A,5KP30A,SMF120CA,SMBJ150CA,SMDJ170A,8.0SMDJ26A,SMAJ70A,SMAJ70C,P4SMA520A,SMDJ170C,3KP80CA,SMDJ58A,SMCJ30C,SA48CA,SMCJ30A,SA180C,1.5KE500,SA180A,SMAJ7.0,SMAJ7.5,15KP120CA,SA22CA,SMAJ100C,P6KE8.2CA,SMAJ100A,30KP90CA,P4KE180A,5.0SMDJ170CA,P4KE180C,SA110CA,P4SMA82CA,20KP56CA,SMDJ54A,30KP70A,1.5KE520,2QKP36A,SMDJ160CA,3KP14CA,SMBJ400CA,SMDJ54C,5KP SERIES,SMF36CA,SMCJ80CA,P6SMB51CA,P4KE22CA,P4KE18Q,SMCJ220CA,8.0SMDJ22A,30KP71A,5.0SMDJ80A,5.0SMDJ80C,P4KE SERIES,1.5KE51A,1.5SMC39CA,1.5KE51C,P6SMB,30KP72A,SA70CA,1.5KE36CA,5KP36C,5KP36A,1.5KE550,P6SMB16A,20KP88A,SMAJ18CA,SA17CA,1.5KE170CA,5KP90CA,SMDJ51C,SMF,SMDJ51A,3KP45CA,3KP140CA,P4SMA170A,P6SMB15A,P4SMA10A,3KP58CA,1.5KE56A,1.5SMC440A,LCE64A,P6SMB520A,SA5.0CA,1.5KE56C,5KP24CA,P6SMB16CA,P4SMA11A,P6KE500C,P6KE500A,SMBJ90C,SMBJ90A,SMF64A,SMBJ12CA,30KP75A,P6SMB13A,SMBJ5.0A,SMBJ5.0C,P4SMA12A,LCE6.5,P6SMB12A,SMBJ9.0,P4SMA13A,P6KE180CA,P6SMB10A,P4SMA47CA,30KP78A,P6SMB11A,KA-190,SMDJ5.0,P6SMB100CA,5.0SMDJ78CA,P4KE400A,P4KE400C,1.5KE10CA,LCE60A,SMF60A,P4SMA15A,P6KE27CA,5KP33A,P6SMB82CA,1.5SMC500CA,5KP11CA,5KP33C,P4KE6.8CA,P4KE6.8C,P6SMB47CA,1.5SMC250CA,P6SMB220CA,30KP SERIES,3KP140C,3KP140A,P4KE220,SA9.0,SMDJ200CA,3KP64C,SMF70A,SMDJ190CA,1.5KE380CA,3KP64A,P6KE7.5,P4KE20C,P4KE20A,SMAJ48CA,SMBJ43CA,20KP132CA,SMCJ7.5C,SMCJ7.5A,SMAJ400A,SMF19CA,SMBJ180,LCE7.0,SA90A,SA90C,LCE7.5,SMBJ18C,SMBJ18A,P4KE200,1.5SMC75CA,20KP80A,SMAJ300CA,P6KE220CA,SA40CA,SMBJ190,SMBJ19C,KA-170,SMBJ19A,SMBJ160,SMDJ90,3KP9.0CA,SA100C,SMBJ16C,P6KE100CA,SMBJ16A,5KP28C,SMBJ30CA,5KP28A,P6SMB SERIES,SMDJ85,SMF110A,SMBJ170,SMDJ80,SMAJ8.5CA,SMAJ180C,P4KE100A,P4KE100C,SMBJ17C,SMBJ17A,SMF85CA,SMBJ120CA,5.0SMDJ220A,SMDJ78,5.0SMDJ1Q0C,SMDJ75,5KP8.0C,SMBJ140,SMDJ70,5KP8.0A,1.5SMC10A,3KP75CA,SMBJ14C,SMBJ14A,SM8S,P6SMB18A,SMDJ16CA,SMBJ130C,SMBJ130A,1.5SMC130CA,5.0SMDJ350A,SMDJ64,SMDJ440CA,SMBJ150,SMDJ60,5KP120CA,SMBJ15C,SA100A,30KP120A,SMBJ15A,SMAJ170CA,SMDJ58,KA-133,SMDJ54,P6KE75,SMBJ120,SMDJ51,5.0SMDJ80,20KP132A,SMBJ11C,SMBJ12A,SMAJ6.0A,P6KE62CA,SMAJ6.0C,SMDJ48,P6KE68,SMDJ45,5.0SMDJ85,SMDJ43,1.5SMC91A,SMBJ130,SA7.5CA,SMDJ40,5.0SMDJ90,P6KE82,5.0SMDJ78C,SMCJ7.0C,5.0SMDJ78A,SMCJ7.0A,SMDJ51CA,SMBJ12C,5.0SMDJ48CA,SMBJ13C,SMBJ13A,15KP51A,P6KE75A,SMDJ36,P6KE75C,SMDJ33,20KP 72CA,SMBJ100,P4SMA220A,SMDJ30,SMCJ150C,P6KE91,KB-380,SMCJ150A,P4KE27C,SMA J 54 A,SA6.0C,SA6.0A,SMDJ28,5KP8.5C,5.0SMDJ60,SMDJ26,5KP8.5A,30KP42CA,SMAJ78A,SMDJ24,5.0SMDJ64,KA-100,SMAJ78C,SMDJ22,SMBJ110,SMDJ20,5KP120A,5KP120C,SMBJ10C,SMBJ10A,SMBJ11A,5.0SMDJ400A,5.0SMDJ78,SMAJ22CA,SMDJ19,SMDJ18,SMDJ17,SMDJ16,SMCJ6.5CA,SMDJ15,5.0SMDJ70,8.0SMDJ22CA,SMDJ14,SMDJ13,SMDJ12,5.0SMDJ75,SMDJ11,SMAJ75A,SMDJ10,SMCJ36A,SMAJ75C,P6KE30,SMCJ36C,SA190CA,15KP75CA,5.0SMDJ75C,5.0SMDJ75A,P4SMA9.1A,5.0SMDJ48,5.0SMDJ45,SMF54CA,5.0SMDJ40,P4SMA91A,P6KE27,1.5KE100A,P6SMB170A,1.5KE100C,5.0SMDJ43,P6KE24,P6KE22,P4KE250,P6KE43,SMCJ45CA,3KP60A,15KP240CA,P4KE24C,P6KE75CA,P4KE24A,SMAJ6.5C,5.0SMDJ58,5.0SMDJ51,P6KE39,P6KE36,3KP60C,5.0SMDJ54,20KP30CA,SMAJ6.5A,SMBJ440A,P6KE33,SMCJ58CA,P6KE51,SMDJ7.5CA,5.0SMDJ17CA,1.5KE18CA,5.0SMDJ24,5KP60CA,5.0SMDJ28,5.0SMDJ70CA,SMCJ33A,5.0SMDJ22,P6KE47,SMCJ33C,5.0SMDJ20,P4SMA350A,P6KE62,3KP6.5,P4KE22C,P4KE22A,3KP6.0,P4SMA6.8CA,5.0SMDJ36,SA6.5C,5.0SMDJ33,P4KE6.8A,SA6.5A,P6KE56,5.0SMDJ30,SMAJ60,5.0SMDJ33CA,SA36CA,1.5KE6.8,SMBJ,SMDJ20CA,SMF6.0A,P4SMA15CA,LCE58A,SMAJ58,3KP6.0CA,20KP44CA,SMAJ51,SMDJ160A,3KP26CA,SMAJ60A,SMAJ,SMDJ160C,5.0SMDJ70C,5.0SMDJ70A,SMDJ48C,5.0SMDJ SERIES,SMF22CA,SMDJ48A,SMCJ20C,SMAJ45,SMCJ7.0CA,SMAJ48,20KP SERIES,SMCJ20A,P4KE36CA,SMAJ43,SMAJ40,P6KE200A,SMDJ,SMBJ85C,SMBJ85A,1.5KE600,P4KE9.1,1.5KE380A,1.5KE380C,P4KE120CA,SMAJ6.0,P4SMA400CA,SMAJ6.5,SMAJ36,P6KE200C,SMAJ30,SMAJ33,SMF180A,SMCJ,SMDJ45C,SMDJ33CA,SMDJ45A,1.5SMC8.2CA,SMAJ28,SMAJ24,SMAJ26,SMAJ20,SMAJ22,SMCJ13CA,15KP45A,SMDJ64CA,3KP13CA,5KP180CA,SMAJ17,LCE54A,SMAJ16,SMAJ19,SMAJ18,SMAJ13,SMAJ12,1.5KE62A,SMAJ15,SMAJ14,SMAJ11,SMAJ10,1.5KE62C,SMCJ26CA,SA75A,SA75C,SMDJ43A,1.5SMC91CA,SMDJ43C,1.5SMC180CA,1.5KE250C,15KP43A,P4KE18QC,1.5KE250A,SA78A,1.5KE8.2C,SA78C,SA190C,SMAJ85CA,P4SMA200A,SA190A,1.5KE8.2A,1.5SMC300A,15KP40A,P6SMB180CA,30KP102CA,P4SMA150CA,SMBJ90CA,SMAJ110C,SMAJ110A,15KP200A,SMF6.0CA,P6SMB7.5A,5KP15,5KP16,5KP13,SMF48CA,5KP14,5KP11,5KP12,5KP10,P4KE10CA,P4KE18CA,1.5KE350CA,SMDJ40C,SMDJ40A,30KP84A,30KP120CA,5KP24C,5KP24A,15KP28CA,8.0SMDJ SERIES,1.5SMC12A,SMAJ140CA,SMBJ80C,1.5SMC11A,SMBJ80A,1.5KE24CA,SMF78A,SMDJ110CA,P6SMB27A,LCE51A,1.5KE68C,1.5KE600C,P6KE500CA,1.5KE68A,1.5KE600A,SMBJ24CA,SMBJ8.5,5KP26C,5KP26A,SMBJ8.0,SA18CA,30KP240CA,5.0SMDJ64CA,15KP180CA,P6SMB8.2CA,1.5SMC13A,SMF75A,1.5KE11CA,P6KE15CA,30KP258A,P6SMB24A,SMCJ440A,1.5SMC16A,30KP60CA,5KP20C,5KP20A,1.5KE68CA,SMBJ11CA,SMDJ5.0CA,LCE,1.5SMC15A,SAC5.0,5KP12CA,P4KE91C,P4KE91A,SMF17CA,SMDJ350CA
TVS器件有哪些选型依据?
1、TVS 的最大反向钳位电压 VC 应小于被保护电路的损坏电压; 2、TVS 的额定反向关断电压 VWM 要大于或等于被保护电路的最大工作电压, 若选用的 VWM 太低,器件可能进入雪崩或因反向漏电流太大影响电路的正常 工作; 3、 交流电压只能用双向 TVS; 4、在规定的脉冲持续时间内,TVS 的最大峰值脉冲功率 PM 必须大于被保护电路可能出现的峰值脉冲功率,在确定了最大钳位电压后,其峰值脉冲电流应大于瞬态浪涌电流; 5、结电容是影响 TVS 在高速线路中使用的关键因素,在这种情况下,一般用一个 TVS 管和一个快恢复二极管以背对背的方式连接,由于快恢复二极管有较小的结电容,因而二者串联的等小电容也较小,可以满足高频使用的要求; 6、需要考虑降额使用的应用; 应用场合:功率开关电路;整流二极管(与之同向);电源变压器;防直流电源反接或电源通断时产生的瞬时脉冲;抑制电机,断电器线圈,螺线管等感性负载产生的瞬时脉冲电压;控制系统的输入输出端。
技术问答 发布时间 : 2024-07-30
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可定制射频隔离器/环行器(10M-40GHz),双工器/三工器(30MHz/850MHz-20GHz),滤波器(DC-20GHz),功分器,同轴负载,同轴衰减器等射频器件;可定制频率覆盖DC~110GHz,功率最高20KW。
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