The Operating Principle of Self Recovering Fuse PPTC in USB Protection

2024-08-29 XC Official Website
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Self healing fuse (PPTC) is an essential electronic component widely used in the protection of USB interfaces. It has the characteristics of automatic protection and automatic recovery. When the current exceeds the set value, the circuit will be immediately cut off, and when the current returns to the normal range, the path will be automatically restored. This self-healing fuse plays a crucial role in USB protection.


PPTC (self recovering fuse) is a special type of polymer thermistor with a structure similar to a thin wire. When current passes through, the conductive material inside the filament heats up, causing the polymer to expand and block the current path. This blocking effect can effectively cut off the circuit and prevent safety accidents such as fires and short circuits caused by current overload.


When a current overload or short circuit occurs, PPTC will immediately sense the abnormal situation and automatically cut off the circuit. This is because the material of PPTC has a negative temperature coefficient, which means that as the temperature increases, its resistance will rapidly increase. Once the current exceeds the range that PPTC can withstand, causing an increase in temperature, the resistance of PPTC will rapidly rise, reaching an impedance value that disconnects the circuit and locks the current path.


After PPTC cuts off the circuit, the current stops flowing, thus avoiding damage to other electronic components and equipment. At the same time, PPTC has certain protection capabilities, which can prevent excessive heat caused by overload or short circuit duration, thereby reducing the risk of fire.


When the abnormal situation is resolved, i.e. the current returns to the normal range, PPTC will automatically restore the circuit. This is because the material of PPTC has a memory effect, and once the temperature drops within the normal range, the polymer will return to its original state and be re-energized. During the process of restoring the circuit, PPTC will generate a certain self-heating effect, which accelerates the recovery speed of the polymer and enables the circuit to resume normal operation as soon as possible.


The automatic protection and recovery features of PPTC make it an ideal protective component for USB interfaces. This self-healing fuse can quickly cut off the circuit, effectively preventing damage to equipment caused by abnormal situations such as overcurrent, overload, and short circuits. After the abnormality is resolved, the circuit can be automatically restored without manual intervention. At the same time, PPTC also has the characteristics of durability and high reliability, which can work stably for a long time.


PPTC is widely used in key positions such as power lines and data lines in USB interfaces. It can protect various aspects such as USB interfaces, host devices, and external devices, ensuring that they are not affected by abnormal currents during use and enhancing the safety and stability of the entire system.

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本文由玄子转载自XC Official Website,原文标题为:The operating principle of self recovering fuse PPTC in USB protection,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

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

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型号- 30V-050,YAZ1P5D47,25D301K,SMAJ6.0CA,SMAJ40CA,ESDLC24VD8B,3R075L-8X10,HLT9P04C,HLS150N30K,YAZ1P5D51,5.0SMDJ170A,P8SMB120CA,16V-110,15KP58A,SMD1206-351,YAZ1P5D3V3,ESDLC15VD3B,YAZ1P5D3V6,RS3BBF,YAZ1P5D56,5D361KJ,HLS135N100,P8SMB13CA,YAZ1P5D3V9,HLS80R1K5,SMDJ78CA,HLP9N90,ES2JBF,ESDLC8V0D3B,S2MB,1812 SERIES,PGB0603-05,YC2M2012B121GBE,YAZ1P5D62,Y1ZP35D43G,HLS80R1K1,10D560KJ,SMCJ14CA,5D121KJ,P8SMB60A,S2MF,YAZ1P5D68,HLT30P55,HLS70N40K,HLP9N80,30V-075,5.0SMDJ85A,PGB0603-12,SMCJ100CA,SMBJ300A,YAZ1P5D75,5KP30A,HLS55N100PF5,SMF120CA,SMBJ150CA,16V-135,SMDJ170A,SMAJ70A,33D-7,250V SERIES,HLP9N70,33D-5,PGB0603-24,HLT9P03C,SMDJ58A,33D-9,HLG3401A1N,32D122K,SA48CA,SMCJ30A,YAZ1P5D82,ESD12VAP,HLP2P06C,10D-11,HLP14N80,SA180A,10D-13,10D-15,15KP54A,20D781KH,20D781KJ,15KP120CA,YAZ1P5D91,SA22CA,P6KE8.2CA,SMAJ100A,16V-160,5.0SMDJ170CA,SA110CA,HLS60200K,ESD12VD3,HLT30P10,SMDJ54A,10D680KJ,SMD1210-150-6V,SMDJ160CA,3KP14CA,SMBJ400CA,5KP SERIES,SMF36CA,ESD24VAP,ESD12VD8,ESD12VD5,7D220KJ,P6SMB51CA,ESD12VD9,10D K SERIES,HLT30P06,1.0SMB22CA,SMCJ220CA,32D561K,2R230S-6X4.2,HLT30P03,HLS187N80,5D241KJ,SMD1206-075-16V,SMD2920-200-16V,1.5KE51A,7D781K,HLS170N30PF5,P6SMB,HLS60R580,SA70CA,1.5KE36CA,5D121K,LC SERIES,DA SERIES,5KP36A,P6SMB16A,SMAJ18CA,SM8,SA17CA,1.5KE170CA,SMD1812-351,25D122K,5KP90CA,S SERIES,P0080TA,SMF,SMDJ51A,3KP45CA,P6SMB15A,ESD3V0J4,3R230S-6X8,3KP58CA,HLP38N30,10D471KH,25D561K,1.5KE56A,ESD8V0D5B,US2B,US2A,10D471KJ,US2K,HLS12N100C,US2J,30V-900,US2G,SA5.0CA,US2D,HLP4P20,RS2AB,20D911KH,YAZ1P5D XXX,HLR08U02,20D911KJ,RS2AF,5KP24CA,US2M,P6SMB16CA,HLP110P06,SMBJ90A,10D-20,SMF64A,US1B,US1A,SMBJ12CA,2R***L-5.5X6 SERIES,US1J,P6SMB13A,US1G,US1D,US1M,ESDLC24VD3B,US1K,SMBJ5.0A,HLT6N06,30V-090,SMD2920-100-33V,ESD8V0D3B,HLS20100N2,5D561K,1.0SMB6.8A,Y1ZD9V1,HLS120R800,P6SMB12A,YC2M2012B,20D220K,P8SMB75CA,YAZ1P5D10,32D911K,YAZ1P5D16,YAZ1P5D15,YAZ1P5D18,YAZ1P5D12,YAZ1P5D11,P6KE180CA,YAZ1P5D13,Y3ZP2D5V6,Y5ZP2D XXX,P6SMB10A,P6SMB11A,HLR75S12,Y3ZP2D5V1,MF58-203F-3950,25D SERIES,P8SMB64A,YAZ1P5D20,HLP75N08,P6SMB100CA,YAZ1P5D27,5.0SMDJ78CA,SMD0603-003-30V,YAZ1P5D22,20D,YAZ1P5D24,Y3ZP2DXXX,10D101K,1.5KE10CA,YAZ1P5D30,7D471K,YAZ1P5D39,SMF60A,YAZ1P5D33,25D431K,YAZ1P5D36,5D820KJ,5D560K,P6KE27CA,5KP33A,P6SMB82CA,10D102K,14D911K,20D221K,YAZ1P5D43,7D470K,5KP11CA,HLR12U12,YAZ2D8V2,20D470KJ,P6SMB47CA,RS2GB,20D K系列,HLT60N03,HLT60N02,HLS60150K,MF52A-104F-3950,1.5KE540A,HLT60N08,RS2GF,HLT60N04,SMDJ200CA,HLT60N06,16V-1000,SMF70A,SMDJ190CA,3KP64A,HLR12U06,HLR12U04,HLR12U02,10D112K,SMAJ48CA,SMBJ43CA,10D680K,HLT60N10,14D561K,1.0SMB9.1A,HLS247N120Q,1N4001W,S3AF,S3AC,SMCJ7.5A,SMAJ400A,S3AB,600V-110,60V-300,SMF19CA,ES3DBF,SA90A,34S471K,10D241K,SMD1206-075-6V,SMBJ18A,MF52A-303J-4200,HLP840,14D431K,HLT4P06,P8SMB SERIES,25D,1N4002W,MF52A-104H-4100,SMAJ300CA,P6KE220CA,SA40CA,25D911K,HLP830,YC2M2012B161GBE,1N4003W,3KP9.0CA,1.5KE510CA,SMD1812-421,MF52A-302J-3950,HLT5N04A1N,SMD1210-035-16V,Y3ZP2D18,14D681KH,P6KE100CA,2R300S-8X6,SMBJ16A,MF52A-103F-3380,HLS145NH80PF5,14D KJ 系列,Y5ZP2D XXX SERIES,SMBJ30CA,P6SMB SERIES,5KP28A,14D681KJ,S3DB,Y3ZP2D10,S3DC,Y3ZP2D12,HL78MXX,Y3ZP2D11,Y3ZP2D14,Y3ZP2D13,Y3ZP2D16,0603,Y3ZP2D15,YAZ1DXXX SERIES,14D112KJ,S3BF,HLT4P10,1N4004W,SMF110A,S3BB,S3BC,SMD1210-200-6V,60V-375,SMAJ8.5CA,SMAJ180A,HLP12P06,SMBJ17A,SMF85CA,RS2BB,SMBJ120CA,14D121K,14D112KH,RS2BF,14D561KJ,5KP8.0A,1N4005W,14D561KH,5KP250A,3KP75CA,SMD1812-401,Y3ZP2D39,SMBJ14A,HLR24U12,P6SMB18A,7D621KH,SMDJ16CA,7D621KJ,14D560K,600V-160,Y3ZP2D33,Y3ZP2D36,SMBJ130A,S3DF,RS2DB,1N4006W,ES2ABF,Y3ZP2D30,RS3KBF,5KP120CA,SA100A,SMBJ15A,SMAJ170CA,2R400L-8X6,RS2DF,Y3ZP2D20,Y3ZP2D22,600V-150,Y3ZP2D24,Y3ZP2D27,Y1ZP35D7V5G,YC2M 2012B SERIES,100D-9,1N4007W,YAZ1D6V2,ESD24VD8,HLP9N20,SMBJ12A,SMAJ6.0A,ESD24VD3,P6KE62CA,ESD24VD5,YAZ1D6V8,20D511KH,20D511KJ,SA7.5CA,ESD36VD3,5.0SMDJ78A,SMCJ7.0A,SMDJ51CA,HLG2301BA1N,5.0SMDJ48CA,Y5ZP2D3V9,Y5ZP2D3V3,ES5JC,Y5ZP2D3V6,SMBJ13A,15KP51A,Y5ZP2D3V0,S3GF,P6KE75A,S3GC,S3GB,10D201KJ,SMCJ150A,30V-110,HLS18N200K,SMD1812-200-16V,3R075L-6X8,SA6.0A,S3JF,5KP8.5A,SMAJ78A,S3JB,YAZ2D110,S3JC,ESDSMDA15C,HLP14N10,ESD36VAP,US3ABF,5KP120A,30V-120,SMBJ10A,SMD1210-075-6V,SMBJ11A,SMAJ22CA,7D180KJ,5D330KJ,SMCJ6.5CA,HLS2045N2,2R***S-8X6,YAZ2D100,SMAJ75A,SMCJ36A,RS2KB,SMDJ210A,SA190CA,15KP75CA,RS2KF,7D K SERIES,5.0SMDJ75A,P0300DA,ES5GC,SMF54CA,YAZ2D130,1.5KE100A,3R600L-6X8,P6SMB170A,HLS16N100C,SMCJ45CA,3KP60A,US5GBF,RS2JB,15KP240CA,HLT40P03PF5,RS2JF,HLT40P03PF4,P6KE75CA,S3KB,HLT9P01C,YAZ2D120,S3KF,S3KC,SMAJ6.5A,SMBJ440A,Y1ZP35D47G,RS2MF,7D K,SMCJ58CA,HLT20N10,HLS20150K,SMDJ7.5CA,SMD1206-301,RS2MB,MF52□□□4300,5.0SMDJ17CA,1.5KE18CA,ESD3V3APB,14D201KJ,3R200S-5X7.6,5KP60CA,HLT15N03C,5.0SMDJ70CA,YAZ2D150,HLT20N06,HLS90N60PF5,SMCJ33A,7D K系列,HLT30ND03PF4,20D751KJ,20D751KH,SMD1206-050-24V,YC2M1012B121FBP,3R470L-6X8,L SERIES,20D K SERIES,S3MC,S3MB,ES5DC,HLT20N15,HLS250N80,YAZ2D140,14D301K,SA6.5A,S3MF,5.0SMDJ33CA,P0640S,SA36CA,SMBJ,HLS90N30PF5,SMDJ20CA,SMF6.0A,HLR30U03,HLS130N85,LB SERIES,HLR30U02,HLR30U04,3D-13,RS1G,HLR30U06,RS1D,7D681KJ,3D-11,ESDLC5V0D8B,RS1B,YAZ2D170,20D361K,SMD1210-020-30V,HLS8060K,RS1A,P8S

选型指南  -  音特电子  - 2021/10/18 PDF 中文 下载

音特电子(Yint Electronics)自恢复保险丝(PPTC)选型指南

描述- YINT提供的正温度系数聚合物(PPTC)作为一种过流保护器件,可以减少保修,维护和维修成本。是异常过电流频繁区域设备或者高可靠性设备的理想选择。常被应用在消费电子,电源线,电信,I/O口,过程控制和医疗设备。

型号- 30V-050,SMD1206-005,250V-145,SMD0805-035,30V-600,1210,0805,72V-300,16V-110,16V-1000,SMD2920-300,SMD1206-110,SMD1812-075,SMD0603-100,6V-090,30V-185,SMD0805-020,16V-800,1812 SERIES,16V-120,SMD1210-110,SMD1812-160,SMD1206-100,600V-110,60V-300,250V-800,30V-075,1206 SERIES,SMD0805-010,250V-120,30V-500,6V-075,16V-250,16V-135,SMD2920-200,16V-1100,SMD1812-050,250V SERIES,SMD2018-100,16V-700,SMD0805-125,6V-185,600V,60V SERIES,250V-1400,SMD2920-075,72V-075,30V-135,SMD1812-300,30V-250,60V-005,250V-500,SMD0805-110,30V-800,60V-010,SMD2018-150,60V-250,SMD2018-030,16V SERIES,250V-060,72V-500,600V-060,2920 SERIES,250V-180,0603,1812,16V-1200,SMD1206-150,SMD1206-035,SMD2920-185,16V-160,60V-135,60V-375,60V-017,16V-600,SMD0805-100,60V-020,SMD1206-020,600V-030,SMD1206-025,6V-160,2018 SERIES,250V-600,72V-090,16V,2920,30V-700,60V-110,250V-040,600V-160,72V,600V-040,60V,30V-160,SMD1206-010,SMD1206-012,SMD2018,30V-040,16V-500,2018,250V-050,16V-185,600V-150,600V SERIES,250V-1200,72V-030,SMD0603-075,SMD2920,6V-135,60V-050,250V-300,6V-250,SMD2920-150,16V-075,SMD2920-030,72V-025,250V-2000,SMD1206-075,72V-040,SMD1812-110,16V-1400,72V-160,SMD1812-350,1210 SERIES,0603 SERIES,16V-400,6V-120,60V-065,60V-185,SMD1210-075,SMD2920-260,SMD1812-200,16V-090,72V-050,60V-025,30V-110,SMD0603-050,250V-400,30V-900,SMD2018-050,6V-110,60V-030,SMD2920-050,250V-080,600V-080,72V-185,72V-065,SMD0603,SMD1812,60V-160,60V-040,SMD1210-050,250V-1000,SMD1206-050,250V-090,16V-300,SMD1206-200,72V SERIES,30V-090,72V-110,SMD1812-260,SMD0603-035,SMD1812-020,SMD0805-075,6V SERIES,30V-400,0805 SERIES,SMD1210-020,30V,60V-090,600V-200,SMD1812-150,SMD0603-025,SMD1812-030,SMD2920-100,30V-300,SMD0603-020,SMD2018-200,250V-1500,250V-110,30V SERIES,SMD1210-150,SMD1210-035,250V,SMD1210-005,72V-250,72V-375,72V-010,SMD0603-010,SMD1812-125,SMD1206,60V-500,250V-200,60V-075,72V-005,SMD2920-250,SMD0805-050,SMD1812-010,SMD2920-125,72V-020,SMD0805,30V-200,SMD1812-014,1206,SMD1210,16V-900,72V-135,SMD1210-010,72V-017

选型指南  -  音特电子  - 2019/4/8 PDF 中文 下载

Littelfuse(力特) 应用于汽车市场的电路保护器件选型指南

目录- Electrical Threats and New Automotive Technologies Introduction    Automotive Applications in Modern Vehicles    Circuit Protection device for Automotive Application Selection table    Circuit Protection device for Automotive Application Selection Guide   

型号- VXXE14AUTO,S8025XXXP,10EV,DST10XXXS-A,VXXE30AUTO,TPSMF4L,AXGD10603,501A,AQ3130,SM24CANB-02HTG,AQ05C,30KPA,LR4-XXXF,SRPXXXF,V30MLAXXXXNHAUTO,527 SERIES,AQ24CANFD,MICROASMD0XXF,AQ3400-02UTG,V18AUMLAXXXX,PICOASMDC0XXS,881A,AHRFXXX,AQ1003-01ETG,NANOASMDC0XXF,AQ24CANA-02HTG,885 SERIES,AQ2555NUTG,SZ1SM,LSP380,DST15XXS-A,V20HXXXAUTO,0438XXX.WRA,AQ3118,AQ24CANA,526 SERIES,VXXE25AUTO,FEMTOASMDC0XXF,MIDI70V,AHEFXXX,V20PXXXAUTO,DST5XXXS-A,P6SMB510CA,AQ15C-01FTG,20EV,AQ24CAN,SESD1004Q4UG-0020-090,AGRFXXX,AQ24CANFD-02HTG,TPSMA6L,0441XXX.WRA,0881XXXUR,440A,ASMDCXXXF,S8016NAXP,SZNS6A,SZ1SMB,SZ1SMC,AQ4022,AXGD10402,0440XXX.WRA,HS4040XAQX,TP5KP,V48MLAXXXXNHAUTO,AQ1005-01ETG,V24AUMLAXXXX,IXD_6XXSI,MINIASMDCXXXF,NG SERIES,V16AUMLA2220NS,P6KE510CA,441A,ASMDXXXF,SZ1.5SMC,VXXE17AUTO,V48AUMLAXXXX,437A,0437AXXX.WRA,V18MLAXXXXNHAUTO,AQ3045,SP3213,TP1.5KE,SZP6SMB,AQ3045-01ETG,SESD0402X1BN-0010-098,SP3012-04UTG,38EV,HCRTP-MINI,V16AUMLA2220H,TP6KE,438A,SLD8S,V120MLAXXXXNHAUTO,30EV,521 SERIES,V14HXXXAUTO,IX4340NE,V14PXXXAUTO,SZSMF,0HEV,SHEV,AHSXXX-2,AQ1005,0885XXXDR,SJ6025XXXP,TPSMC,V3.5MLAXXXXNHAUTO,TPSMB,TPSMD,0501XXX.WRA,AQ24C-01FTG,MEGA70V,VXXE45AUTO,SM24CANA-02HTG,DST8XXXS-A

选型指南  -  LITTELFUSE  - v0720  - 2020/9/2 PDF 英文 下载

应用笔记或设计指南  -  LITTELFUSE  - 2016/11/23 PDF 英文 下载

Littelfuse NPI Summary 2022: January–December

型号- AQ4337-01ETG,IXYX110N120C4,LS2406ERQ23,IXTH120N20X4,IXTP60N20X4,SC1533-01LTG,AQ7538-08UTG,X3-CLASS,IXYK110N120B4 SERIES,ITV9550,5.0SMDJXXS-HRA,SVXX50XAX,IXTP120N20X4,527 SERIES,SMTOAK2,SC7520-08UTG SERIES,LSP550,EV1K SERIES,DCNHR,IXYX110N120B4,AQ12CANA-02HTG SERIES,AQRV05-4HTG SERIES,AQ7520-08UTG,SC1533-01FTG SERIES,ITV9550 SERIES,59135,806 SERIES,IXYH85N120C4,IXTH60N20X4,LS1205EXD33 SERIES,IXFH90N65X3,PXXX2SXL SERIES,ITV4030,526,59050 SERIES,527,SC1533-01LTG SERIES,SP00R6-01WTG SERIES,806,AQ15CANA-02HTG SERIES,LSP380,MDMA120U1600VA,SC7520-08UTG,LS1205EXD33,59140,SJXX40XXA SERIES,LS0504EVT233,59141,IXYK110N120C4,PSR SERIES,IXFH46N65X3,SC7538-08UTG,526 SERIES,ESR,DCNHR SERIES,IXYH55N120C4,IXFH34N65X3,05903,SB5000 SERIES,AQ4337-01ETG SERIES,AQ1205-01FTG,SJXX32XXA SERIES,DMA80I1600HA,IXYK110N120B4,NANOT,SP00R6-01WTG,828,ITV4030 SERIES,SC7538,SC7520,IXYX110N120B4 SERIES,XPT GEN 4–B4,AQ36CANA-02HTG,IXFP34N65X3,AQ7538,XPT GEN 4–B4 SERIES,EV1K,AQ36CANA-02HTG SERIES,STS802U2S,SMTOAK2 SERIES,LS2406ERQ23 SERIES,SJXX32XXA,SC3530-01LTG SERIES,ESR SERIES,STP802U2S,SC7538-08UTG SERIES,59050,SC1006-01LTG,XPT GEN 4–C4,NANOT SERIES,828 SERIES,DCNLR,DCNLR SERIES,IXFA34N65X3,SC3530-01LTG,IXYN110N120C4,DCNLM,PSR,SC1533-01FTG,LS0504EVT233 SERIES,AQ1205-01FTG SERIES,AQ7520,LS0505EVD22,607 SERIES,607,PXXX0S3N,SC1006-01LTG SERIES,SVXX50XAX SERIES,XPT GEN 4–C4 SERIES,IXFH54N65X3,AQRV05-4HTG,IXFH70N65X3,AQ15CANA-02HTG,PXXX2SXL,IXTA60N20X4,LS7R,05903 SERIES,SJXX40XXA,DCNLM SERIES,LS0505EVD22 SERIES,AQ12CANA-02HTG,SB5000,AQ7520-08UTG SERIES,AQ7538-08UTG SERIES

商品及供应商介绍  -  LITTELFUSE  - 2023/2/9 PDF 英文 下载

Circuit Protection Products Selection Guide

型号- PXXX0SAMC,LS2406ERQ23,1812L,LVR,SPHV,30KPA-HR,456SE,456SD,15KPA,SP33R6-04UTG,345 SERIES,1210,ITV9550 30A,AQ24CANFD,SDP,AC,LS2406ERQ33,PXXX2AC,RUEF110S,MICROSMDCH,562 SERIES,AQ1003-01ETG,SDPXXX0T023G5,150603,800,801,802,804,806,807,BA,808,BB,PGB2,PGB1,P4SMA,TSM600,PTF070,MICROASMD,SC7520-08UTG,SC1103C-01UTG,PTF078,PTF077,559 SERIES,LS0504EVT233,PTF075,AQXXC-01LTG,810,811,356 SERIES,5KP,813,814,FB65,FB66,CA,SC7538-08UTG,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,PLED ULTRA LOW,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,FEMTOSMD,PXXX0Q12X,860,862,HA,PICOASMD,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,881,342006 W,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,5.0SMDJ,570 SERIES,AQ3530-01FTG,B-SERIES,662,1206L400SLWR,663,422,664,665,LA,SMBLCE-HR,L-SERIES,AQHVXX-01LTG-C,PTF050,SC1105-01UTG,PTF055,G-SERIES,435,437,438,ITV5432,A-SERIES,870 SERIES,PTF065,440,RGEF,437A,441,SP1103C,443,202,203,254 121,445,446,688,447,3453 SERIES,448,449,ULTRAMOV™ 25S,208,209,TR600,04450001,PTF030,438A,451,SRP,452,453,454,TSM250,PTF035,AUMOV®,213,456,215,821 SERIES,458,216,LV ULTRAMOV,459,217,218,SP3401,SP3400,AQ3522-01FTG,P6KE,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,P4KE,850 SERIES,813 SERIES,AQ1205-01ETG,483,RA,485,487,802 SERIES,259UL913,ITV4030 22A,SP3530,SM20,345121,102064,345121 SERIES,254 201 - 208,251,SA,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,268,269,520 002,520 003,520 004,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,ULTRAMOV25S,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,PLEDXN,SZD200,TPSMF-4L,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,SC1004U-ULC-04UTG,AK10,1.5KE,AQ1005,51800001009,PXXXXS4X,ITMOV,354701 SERIES,483A,445004,LS05006VPQ33,SP4044,BXXX1UC4,SP4045,5200001,SMBJ,AQXX-01LTG,AQ7538-08UTG,SP1064E-04UTG,TCF250,ITV9550,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,GTCA28,GTCX35-XXXM-R05,SP00R6-01WTG,SMDJ-HR,SMDC,TMOV34S,AHRF,440A,AXGD10603NR,K-SERIES,TPSMC-VR,H-SERIES,SZ1SMB,SZ1SMC,SZ1SMA,219XA,AK20-Y,ITV9550L2030MR,ULTRAMOV,441A,824 - 20 SERIES,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,XTREME,PXXX3AC,SP3205-01ETG,501,3452 SERIES,504,505,506,507,GTCX23-XXXM-R01,508,8.0SMDJ,PXXX3U,100060,100061,122090,100062,100063,100064,100065,PXXX0SX,100066,SC1533-01LTG,SPHV-C,AHS,122093,150318,TS600,150319,150316,150317,150315,AQ3102-02JTG,150312,513,514,100058,100059,2016L,286377,SP4337-01WTG,122088,122087,122083,GTCX26-XXXM-R05,521,523,ITV4030,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,LVR025K-2,312,313,30R,314,556,315,557,559,318,SLD6S,SP1305,SP712,LCE,560,562,322,564,324,325,326,328,SLD5S,CX-SERIES,345101 SERIES,570,571,332,SLD8S,PXXX0SD,576,TRF600,PICOSMDC,SP3522,3.0SMCJ,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,SP3420,150274,RUSBF,SP1003,SP3422,560 SERIES,PXXX0ME,564 SERIES,SP2555NUTG,51900001009,10207101009,520 101,369,SL1122A,571 SERIES,824 - 20,SP1233,AQ2555NUTG,SP1255P,600R,PXXX4UX,WB07B0606L

选型指南  -  LITTELFUSE  - 2023/4/21 PDF 英文 下载

What is A Self Recovery Fuse

​Self recovery fuse is an overcurrent electronic protection component that uses a polymer organic polymer under high pressure, high temperature, and sulfurization reaction conditions.After mixing with conductive particle materials, it is processed through a special process. Habitually applying PPTC (Polymer Positive Temperature).

设计经验    发布时间 : 2023-12-05

The Correct Steps for Selecting a Self Recovering Fuse Model

Choose a resettable fuse that can adapt to the highest ambient temperature and standard operating current of the circuit.

设计经验    发布时间 : 2024-08-31

What are the Standard Requirements for Self Restory Fuse Technology?

Self recovery fuse is a type of overcurrent electronic protection component, which is made by mixing conductive particle materials with polymer organic polymers under high pressure, high temperature, and vulcanization reaction conditions, and processed through special processes. What are the standard requirements for self restoring fuse technology? 1. The rated zero power resistance PPTC thermistor should be packaged in different levels according to the zero power resistance, and the resistance range should be indicated on the outer packaging.

设计经验    发布时间 : 2023-11-27

Application of Patch Fuse in Single Lithium Battery Protection Board

The safety of lithium-ion batteries is increasingly attracting people‘s attention. Choosing the appropriate patch fuse for the lithium battery protection board is also very important.

设计经验    发布时间 : 2023-11-23

Parameters of Self Restoring Fuses

Rated voltage refers to the high voltage that can be withstood after the self recovery fuse is disconnected. The voltage borne by both ends of a self restoring fuse during the connection period is far less than its rated voltage. When selecting a self restoring fuse, it is generally required that its rated voltage be greater than the effective circuit voltage.

技术探讨    发布时间 : 2023-11-28

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品牌:优恩半导体

品类:PPTC自恢复保险丝

价格:¥0.2800

现货: 266,155

品牌:优恩半导体

品类:PPTC自恢复保险丝

价格:¥0.2500

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