整流桥在使用上有哪些优点?
整流桥是一种广泛应用于电力电子中的重要元件,其主要功能是将交流电(AC)转换为直流电(DC)。整流桥的核心组件是四个二极管,通常以桥式电路结构连接。整流桥在使用上具有许多显著优点,这些优点使其在各种电子设备和电力系统中广受欢迎。
1. 高效整流
整流桥的主要优点之一是其高效的整流能力。与单二极管整流或半波整流相比,整流桥提供全波整流功能。全波整流的效率更高,因为它利用了输入交流电的整个周期,而不仅仅是正半周期。这意味着在相同条件下,整流桥可以提供更高的平均直流电压和更小的纹波电压,提高了电源的利用效率。
2. 输出电压平滑
整流桥产生的输出电压更平滑、更稳定。由于整流桥将交流电的每个半周期都转换为直流电,输出的直流电压波动较小。结合适当的滤波电容,整流桥可以有效地减少纹波电压,使输出电压更接近纯直流电。这对于对电源质量要求较高的电子设备,如音频设备、计算机和通信设备,尤为重要。
3. 结构简单,易于实现
整流桥的电路结构相对简单,只需要四个二极管即可实现。这种简单的结构使其容易设计和实现,不需要复杂的电路设计和调试。这不仅降低了生产成本,还提高了电路的可靠性和可维护性。
4. 适应广泛电压范围
整流桥能够适应广泛的输入电压范围,从低压应用到高压应用均可胜任。通过选择合适规格的二极管,整流桥可以在各种不同的电压和电流条件下工作。这种灵活性使其在各种电力电子应用中都能发挥作用,从小型电子设备到大型工业电源系统。
5. 高可靠性和耐用性
整流桥具有高可靠性和耐用性,适合长期连续工作。由于其简单的结构和坚固的半导体材料,整流桥在正常操作条件下具有长寿命和稳定的性能。此外,整流桥中的二极管通常具有较高的反向耐压和正向电流能力,能够承受短时过载和瞬态电压冲击,进一步提高了电路的可靠性。
6. 热管理和效率
整流桥通常具有良好的热管理特性。使用高效的二极管和适当的散热设计,整流桥可以在高电流条件下保持较低的热阻和温升。这有助于提高整流电路的整体效率,减少能量损耗和热管理成本。
7. 成本效益
整流桥的组件成本较低,生产工艺成熟。这使得整流桥成为一种经济高效的整流解决方案,特别是在大批量生产的情况下。此外,整流桥易于采购和替换,进一步降低了维护和运营成本。
应用实例
整流桥广泛应用于各种电力电子设备和系统中。在开关电源中,整流桥是不可或缺的部分,用于将输入的交流电转换为直流电,为后续的电压调节和滤波提供基础。在电动机驱动、电池充电器和电焊机等设备中,整流桥同样发挥着重要作用。此外,在可再生能源系统如太阳能逆变器中,整流桥也用于将交流电整流为直流电,以便进一步处理和利用。
MDD整流桥在使用上具有多种优点,包括高效整流、输出电压平滑、结构简单、适应广泛电压范围、高可靠性、良好的热管理和高成本效益。这些优点使其成为电力电子系统中不可或缺的关键元件。
- |
- +1 赞 0
- 收藏
- 评论 0
本文由玉鹤甘茗转载自辰达行官网,原文标题为:整流桥在使用上有哪些优点?,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。
相关推荐
外观检测肖特基桥好坏的方法
肖特基桥整流器广泛应用于电源转换、电压整流和电力管理系统中,特别是由于其低正向压降、高效能以及快速响应特性。在实际应用中,确保肖特基桥的质量对于提高电路性能至关重要。本文辰达行来为大家介绍外观检测肖特基桥好坏的方法,希望对各位工程师朋友有所帮助。
技术探讨 发布时间 : 2024-11-13
整流桥选用原则
整流桥(Bridge Rectifier)是一种由多个二极管组合而成的电子元件,用于将交流电(AC)转换为直流电(DC)。在电子设备、工业电源和充电器等应用中,整流桥起着至关重要的作用。
技术探讨 发布时间 : 2024-10-31
解析肖特基桥选用原则
肖特基桥是一种采用肖特基二极管(Schottky Diode)构建的整流桥,相比传统的PN结二极管整流桥,它具有低正向压降、快速开关速度和低功耗等优点,广泛应用于开关电源、适配器、LED驱动、电动汽车充电桩等场景。为了在具体应用中选择最合适的肖特基桥,需要全面考虑其电气特性、散热管理、封装形式及可靠性。本文辰达行来给大家解析肖特基桥选用原则。
技术探讨 发布时间 : 2024-10-27
【经验】整流桥堆与微型手摇交流发电机三根线的连接方法
本文辰达行将为你介绍整流桥堆与微型手摇交流发电机三根线的连接方法。整流桥堆应用于电子电路上,对于电路的安装,今天就拿微型手摇交流发电机为例子来进行演示。
设计经验 发布时间 : 2021-08-30
Littelfuse(力特)IXYS功率半导体选型指南
目录- Introduction of Littelfuse Index Symbols and Terms/Nomenclature New Pressfit Pin packages ISOPLUS™ family IGBT Discretes IGBT Modules Power MOSFETs Diodes Thyristors Rectifier Bridges Protection Devices Gate Drivers/Power Relays Diode & Thyristor(IXYS Chippenham) Power Semiconductor Chips/Direct Copper Bonded Ceramic Substrates Application Notes Highlights Outline Drawings
型号- R1280NC25M,MCD 26-16IO1B,N2055HE420,IXTT 30N50L2,R1280NC25K,R1280NC25L,MCD 56-18IO8B,IXBOD 2-52R,R1280NC25J,IXTQ 52N30P,MCK 200-18IO1,IXYR 100N120C3,LSIC2SD120C05,MDC600-22IO1W,IXYH 16N250CV1HV,LSIC2SD120C08,M0863LC360,IXTP 100N15X4,VBO 125-08NO7,DPG 15I200PA,F1600NC080,IXTH 1N450HV,T0600TB45A,LSIC2SD065E40CCA,DSEP 2X91-03A,IXBOD 2-51R,IXTX 4N300P3HV,IXTA 36N30P,VBO 72-18NO7,M4305TJ240,IXFR 64N60P,N6405EA240,IXYR 50N120C3D1,MCD580-28IO7,VUO 25-14NO8,0440 007.WRA,IXFY 36N20X3,VBO 25-12NO2,IXTT 120N15P,M1010NC400,IXBH 6N170,MCC 56-14IO1,VBE 26-06NO7,MCD160-30IO3,SXB4869G,IXTJ 3N150,DHG 10I1200PM,IXTH 120P065T,VTO 39-08HO7,IXFN 32N80P,IXTL 2N450,DMA 30P1600HR,IXBOD 2-54R,MDK950-18N1W,CS 20-25MOT1,IXBOD 2-55R,IXTK 140N20P,IXTR 48P20P,DH 20-18A,W2115MC560,IXTP 05N100P,IXFT 18N90P,QJ8030LH4TP,N4340TJ180,DMA 30P1600HB,W3841VC340,MKH 17RP650DCGLB 11,,SXB4649HEXT,IXBOD 2-17RD,DSEP 40-03AS,IXFH 42N50P2,Q8025K6TP,IXFH 22N50P,DPG 30C200HB,DSI 30-12AS,MCMA 240UI1600ED,IXBOD 2-53R,M0367WC220,VUM 25-05E,CPC1786J,IXYT 80N90C3,T0840NC17E,CLA 100E1200HB,N3533ZD180,R0717LC16H,IXTR 140P10T,R0717LC16G,IXFT 60N50P3,VUM 33-06PH,IXFA 22N65X2,VUO 84-16NO7,MIXA 60W1200TED,MDD275-30N3,IXA 70I1200NA,IXYH 80N90C3,IXTQ 86N25T,IXFN 80N60P3,MDMA 65P1600TG,IXTL 2N470,IXTT 88N30P,XAA170,MCR500-30IO7,N6405EA280,DSA 30I100PA,IXGX 55N120A3H1,E0770HF65F,IXFR 40N90P,W7045MC030,IXTQ 44N50P,XK2000SA114M,IX4351NE 130,MDNA 660U2200PTEH,MIXG 180W1200TEH,LOC210,IXFK 120N25P,LOC211,IXGH 20N120A3,DSB 15IM30UC,IXTQ 26N50P,IXTP 450P2,IXFH 86N30T,IXFK 120N65X2,N2086NC060,IXTP 60N20T,MDD 142-12N1,IXXH 30N60B3D1,XSK4400DA116M076,CPC1788J,IXFB 40N110P,N2055HE450,IXBOD 2-56R,DHG 10I1200PA,M4305TJ280,DSA 60C60HB,IXFK 240N25X3,MCD720-18IO7,F1300NC45P,R0717LC14H,W121CEC180,W4205TE520,R0717LC14G,XW180GC34B,MMIX 1G75N250,XW180GC34A,IXBOD 1-30R,IXTY 1R4N100P,MDO 500-18N1,XSK3400DA076038,VBO 25-16AO2,VBO 50-16NO7,K1947ZC400,IXFQ 26N50P3,DSEP 2X91-06A,MEO 450-12DA,S0500YC25Y,IXYQ 30N65B3D1,W3842MC240,S6004DS2RP,G4000EF250,CLA 100E1200KB,IXTT 1N450HV,VUB 116-16NOXT,H0700KC140,VW 2X60-12IO1,MCMA 265P1600KA,DPG 10I200PA,IXFT 46N30T,IXYP 10N65C3D1,IXTH 440N055T2,N3533ZD140,DPG 10I200PM,Q8015LTP,DSA 70C200HB,DPG 30I300HA,DSA 50C100QB,IXTH 30N50L2,R3047TC28M,R3047TC28N,MCC 44-14IO8B,R3047TC28K,MCNA 180PD2200YB,MCD 255-16IO1,N2172ZD450,MCO 500-16IO1,DCG 20C1200HR,MCD 162-18IO1,VVZB-16IOXT,DSSK 40-006B,IXGH 10N170A,VUO 62-14NO7,M0710LC600,Ø IXTP 130N15X4,N4472HK180,IXBOD 1-32RD,DHH 55-36N1F,DSSK 18-0025BS,MCD 56-18IO1B,IXFK 220N20X3,Ø IXG 70IF1200NA,F0900VF520,IXBOD 2-35RD,IXTA 90N075T2,R2475ZD28R,VUB 120-16NOX,IXYP 20N120C4,R2475ZD28N,M0367WC280,IXYP 20N120C3,M1609NC260,R2475ZD28M,IXXH 40N65B4,MDD 26-14N1B,VUO 98-16NO7,MDD 310-18N1,MCD 26-16IO8B,MITA 300RF1700PTED,H0700KC14Y,MDC500-22IO1,VBO 52-08NO7,XAA117,DSEP 2X61-12B,DSEP 2X61-12A,IXFX 180N15P,S8055RTP,VUO 68-08NO7,MCNA 120PD2200TB-NI,MIXA 41W1200ED,IXTH 06N220P3HV,IXTP 10P50P,MCD500-18IO1,MMO 140-12IO7,IXYP 20N120B4,MCC500-22IO1,IXFH 50N85X,W3842MC280,DSSK 40-008B,DSSK 60-02A,IXFR 102N30P,N4472HK160,IXFH 12N120P,H0700KC17Y,MCC320-36IO2,M1494NK250,XSL300C2WS,DSEP 2X25-12C,IXFH 100N25P,IXTK 200N10L2,DSEP 12-12B,MMIX 1B20N300C,DSEP 12-12A,IXTH 50N25T,IXFN 140N30P,H0700KC17D,W3842MC28A,DSEI 60-06A,MCD 225-12IO1,LSIC2SD065D06A,M0451YC120,DSEI 2X161-12P,DHG 50X650NA,MCMA 35PD1200TB,MDC550-12IO1,DSI 2X55-12A,IXTY 8N65X2,MCC 255-16IO1,IXYP 20N120A4,IXTH 460P2,LCA220,MDD 56-18N1B,MDC580-28IO7,W9830TJ150MBR,R1280NC21J,CLA 100E1200TZ,IXTP 230N04T4,R1280NC21M,VBE 17-06NO7,R1280NC21K,R1280NC21L,M1609NC200,IXGX 120N60A3,MMO 175-16IO7,IXGK 82N120A3,DSSK 48-0025B,CS 19-08HO1S,DSEC 30-12A,MCD501-16IO2,MIXG 240W1200PTEH,LSIC2SD120E30CC,SJ6012DRP,VUO 105-18NO7,R1280NC22J,MCD 72-18IO1B,VUO 160-18NO7,IX4310T,R1280NC22K,R1280NC22L,R1280NC22M,F0900VC450,MEO 500-06DA,SXB2167FB,IXTQ 60N10T,IXFN 30N120P,VUO 30-08NO3,M0334RJ200,DSA 60C60PB,MDD 255-16N1,IXFH 18N65X2,MCC 225-12IO1,R2620ZC22L,MDA 810-18N2,R2620ZC22K,IXBH 10N170,R2620ZC22J,MDMA 140P1200TG,MDA950-18N1W,NANOASMDC016F-2,IXFN 40N110P,IXFX 250N10P,MCD320-30IO2,IXTY 10P15T,IXBOD 2-50R,DPG 30I300PA,IXFN 50N120SK,CPC3902,N2172ZD420,IXTT 16N20D2,MDD 710-26N2,W3841VC300,N4340TJ180MBR,IXTP 12N65X2,N3175HE160,SV6020R2TP,DSEI 60-02A,DPG 60C400QB,CPC3909,W2115MC520,DSEC 60-06B,DSEC 60-06A,MCMA 450UH1600TEH,DSSK 30-018A,IXYP 10N65C3,IXBH 22N300HV,IXTA 62N15P,CNE 60E2200TZ,DSI 2X55-16A,IXFR 180N15P,F1500NC200,LSIC2SD120C10,IXFP 220N06T3,MCD600-22IO1W,IXTA 36P15P,MIXG 360PF1200PSTED,F1500NC250,IXFH 80N65X2-4,MDD 175-28N1,IXBT 32N300HV,DSA 35-12A,IXTX 60N50L2,M0710LC560,R5145FA42V,IXTH 30N50P,R5145FA42W,DHG 100X650NA,IXGT 10N170A,IXFA 10N80P,MMIX 1T132N50P3,FMM 22-06PF,DMA 30P1200HB,DSA 75-16B,W5130MK280,IXTH 2R4N120P,LSIC1MO120T0080,IXTX 80N30L2,IXYN 75N65C3D1,MDD630-36N2,DSEI 2X161-06P,W5838ZD220,DSEI 60-12A,IXYH 40N65C3H1,W5282ZC240,IXTR 210P10T,MDMA 425P1600PTSF,IXXK 300N60C3,P0848YC06B,P0848YC06C,DHG 60C600HB,DPG 30P300PJ,LSIC1MO120E0040,S0700KC14Y,IXFK 220N15P,MCC 26-16IO1B,IXGK 55N120A3H1,DSA 1
扬杰科技(YANGJIE)分立器件产品快速选型表
目录- 整流桥 Rectifier Bridge 整流二极管 Rectifier Diode 快恢复二极管 Quick-recovery Diode 超高效整流二极管 Ultra High Efficiency Rectifier Diode 肖特基二极管 Schottky Diode 光伏二极管 Photovoltaic Diode 瞬态抑制二极管 Transient Voltage Suppressor 稳压二极管 Zener Diode 放电管 Discharge Tube 静电放电 ESD 小信号开关二极管 Small Signal Switching Diode 小信号肖特基二极管 Small Signal Schottky Diode 小信号三极管 Small Signal Triode 小信号数字晶体管 Small Signal Digital Transistor 晶闸管/整流二极管/三相整流桥模块 THYRISTOR/RECTIFIER/ THREE PHASE RECTIFIE DIODE MODULE IGBT模块 IGBT MODULES 肖特基模块/碳化硅肖特基模块 SCHOTTKY MODULES/SIC SCHOTTKY MODULE 快恢复二极管模块 FRD DIODE MODULES 中低压MOS管 Medium and Low Voltage MOS Tube
型号- 1N4743A,MD350A12D4,MD165C08D2,ZMM55C22V,MT200DT08L2,SMF10CA,1N5941B,MMSZ5222B,BC807-16W,GBL408A,HER602G,H2MF,1N4742A,MT200U08T2,GS2GA,SMB3Z190A,1N5940B,MMSZ5223B,MF400K06F3,MBR30100FCTS,1N5393GS,HER603G,BZX55C8V2,GR1G,1N4745A,S315,MD600C08D5,GR1K,GR1J,GR1M,MBRL20100FCT,ZMM55C24V,MD75S12M2,SSL310B,1N5943B,MD75S12M4,SSL310A,S320,P6KE68C,GBL406A,HER604G,GR2B,GR2A,GR2D,1N4746A,SMF120CA,MD75S12M8,1N4744A,BZT52C8V2,SMB3Z3.3A,SR140L,SMA2Z43A,MMSZ5225B,GS2JA,1N5942B,S310,GR1A,HER605G,GR1B,MD75S08NM2,SA48CA,GR1D,GR3K,GR3J,GR3M,HER607G,MD130S16M5,SA180C,1.5KE500,MBR2045FCTS,MD130S16M3,SA180A,1N5946B,1N5945B,MD70K16D1,GS2KA,MD600U06I5,S33F,MD60A12D1,HER606G,1N4748A,SMF190A,GR2G,SA22CA,GR2J,P6KE8.2CA,GR2K,HER608G,GR2M,MD200C18D2,SMB3Z3.9A,MUR1660,1N5944B,S32F,P4KE180A,GR3A,P4KE180C,MD60K18D1,SA110CA,GR3B,SS210A,GR3D,GR3G,1N4747A,BAS416,GR5K,GR5J,H1KFS,GR5M,BZX55B5V1,ESD12VD3,1.5KE520,ZMM55C20V,SMB3Z3.6A,MF100C12F2N,1N5948B,SMF36CA,MD380K08D3,MF200C12F2,GS2MA,S35F,SS8U100,MD120C16D1,MF200C12F5,ESD12VD5,P4KE22CA,MD120K12D1N,BZX55B5V6,SMB2Z68A,MT40CB08T1,SMA2Z6.2A,MBR10100CTS,MUR1640,1N5947B,S34F,MMSZ5221B,GR5A,HD6S,GR5B,1.5KE51A,SMA2Z47A,GR5D,GR5G,YJD50N03A,1N4749A,1.5KE51C,P0080SC,MF200DU12FJ,KBL606,MBRB20150CT,SMA5923B,DZ23C6V2,BZX84C2V4W,KBL608,SA70CA,1.5KE36CA,DZ23C6V8,P0080SB,P0080SA,MURS140,MBR20100CD,S8550-L,1.5KE550,MF100U12F2,S8550-H,SA17CA,KBL610,1.5KE170CA,MD60C12D1N,MBR20100CT,SMA5922B,MT330C16T4,1N5949B,MD100C12D1N,HD8S,S36F,SR3200,1.5KE56A,BAS70-06,SMA5925B,BAS70-04,BAS70-05,MD400K16D4,SMA4727A,MUR1020FCT,E2AF,MURS120,SA5.0CA,GBP410A,BZX584B8V2,1.5KE56C,YBSM6010,MD240K12D2,P6KE500C,BZT52C3V9S,P6KE500A,MBR1060FCT,SMA5924B,S38F,SMF64A,BAV99WT,MBRB20150CTS,MBR10200FCT,MF300C06F2,YBSM6008,SMA2Z180A,YBSM6006,SD101BWS,SS520A,SS520B,SMA5927B,MBR4045PT,ZMM55C9V1,E2CF,MMSZ5226B,SMA4729A,MBRB1060CT,SMA5926B,MD50S12M1,P6KE180CA,MD50S12M4,BZT52C3V3S,BR2506L,E2BF,MMSZ5227B,SMA4728A,MT60C12T1,MBR30150CTS,YJL2312A,BR2506W,MUR540,MD36K12D1,SS215A,SMA5929B,P4KE400A,YJQ3415A,MD300A12D3,BZT52C3V6S,P4KE400C,ZMM55B75V,MMSZ5228B,MD30DU08DA,1.5KE10CA,MURS320B,S35VB100,MD260A12D3,SMA5928B,SMF60A,ZMM55B6V2,MD60DU16M7,BZX84C2V7W,P6KE27CA,E2DF,MBR10150FCT,YJG85G06A,BR2508L,ZMM55B6V8,MD500A18D5,MUR560,MUR1620F,MMSZ5229B,BR2508W,HER601G,SSL510,P4KE6.8CA,SS515,P4KE6.8C,MBLSK16S,E2GF,SS510,BZX84C5V6,BZX84C5V1,MD350C16D4,RL201G,P4KE220,SA9.0,SMF70A,MD75S08M8,SMB2Z160A,P6KE7.5,P4KE20C,MD600C12D5,P4KE20A,MT1508A,E2FF,KBPC5006W,MT330CB18T4,SMB3Z110A,MD75S08M4,MT200CB12T2,MD600A16D5,MBLSK14S,MT200CB12T3,GBPC1510W,MD75S08M2,MBR2060CTS,SS510A,SS510B,SMA2Z3.0A,MT150DT08L2,SMF19CA,KBJ806,SA90A,KBJ808,SA90C,BZT52B43,BC848CW,1N4001G,BZT52B47,SMB3Z240A,P4KE200,SMA4731A,SS52A,SS52B,RL203G,YJD40G10A,KBJ810,KBU806,SR3150,P6KE220CA,SA40CA,KBU808,E2HF,SS520,MT1506A,1N4002G,SB1240,SMA4730A,KBU810,BZX584C30V,RL202G,SZ1240A,MD60C16D1,E2KF,SMA5931B,BC848AW,SA100C,P6KE100CA,1N4003G,SMA4733A,RL205G,MD800C18D6,YJD15N10A,BZX584B7V5,SMB3Z82A,MD200A08D2,MT110CB18T1,SR5100L,SMF110A,E2JF,SMA5930B,BC848BW,P4KE100A,P4KE100C,BZX84B2V7,1N4004G,BZX84B2V4,RL204G,SMF85CA,SMA4732A,MMBTA05,MD380K12D3,MMBTA06,MT40CB12T1,SMA5933B,YJD100G10A,MT60CB18T1,DZ23C7V5,KBU1506,SMB2Z4.7A,MF300U05F6,KBU1508,1N4005G,SMA4735A,SZ1110A,RL207G,MD250S12M5,MD250S12M3,SS515A,SS515B,KBPC5008W,SMA5932B,SA100A,MT570C16T6,SMA4734A,MT25CB16T1,1N4006G,MF300A06F2N,KBU1510,RL206G,P6KE75,MMBTA55,SMA2Z100A,BZX584C2V4,SKBPC5010,SKBPC5012,SKBPC5014,SKBPC5016,SKBPC5008,BZT52B9V1S,MD400U08I4,MB6SA,ESD24VD3,P6KE62CA,1N4007G,SR260,MURS140B,P6KE68,MMBTA56,MMBTA44,SA7.5CA,MMBTA42,P6KE82,SS58A,GS3AB,SS58B,MUR1620,25SQ045,MUR2060FCT,AZ23C2V7,MT75DT18L1,P6KE75A,BZX584C2V7,BZX584C36V,P6KE75C,MD120A12D1,MURB1080CT,P6KE91,GS3BB,MBR10150FCTS,MD60S18M2,SS8550-H,SS8550-L,P4KE27C,MD60S18M7,SA6.0C,SA6.0A,GBL410A,MT100DT12L1,D4UB100,BZX584C39V,MD100A16D1N,SKBPC5006,MUR1060FCT,P4KE27A,D3UB80A,MBRL2045CT,MD260A08D3,P6KE30,1N4751A,SA190CA,U1AF,SR220,MMBTA92,GS3DB,MBR10150CD,BZT52B22,BZT52B24,SMF54CA,1N4448W,BZT52B27,SS54A,P6KE27,1.5KE100A,SS54B,1.5KE100C,P6KE24,KBPC2506W,P6KE22,BZT52B20,B5817WS,MT60C08T1,P4KE250,P6KE43,DB205,DB207,BZT52C7V5,DB206,E1CFS,1N4750A,B0520WS,P4KE24C,P6KE75CA,ZMM55C27V,P4KE24A,SMA2Z6.8A,BZT52B33,YJS9435A,BZT52B36,BZT52B39,P6KE39,MD30DU12DA,SS53A,SS53B,P6KE36,MD260K18D3,SMB2Z62A,BZT52B30,P6KE33,1N4753A,BZT52B4V3,P6KE51,GBJ810,BZT52B4V7,GBU810,1.5KE18CA,MUR820F,GBU806,1N5951B,GBU808,KBPC2508W,SR240,SS56A,U1DF,SS56B,YBS3008,P6KE47,YBS3006,D3UB100A,BZX584C33V,MBR10150CT,MD300C16D3,GBJ806,P6KE62,1N4752A,U1BF,MD50H08FJ,BZT52B18,P4KE22C,P4KE22A,GS3GB,BZT52B10,BZT52B11,BZT52B12,BZT52B13,YBS3010,BZT52B15,1N5950B,BZT52B16,U1CF,SS55A,SS55B,SA6.5C,P4KE6.8A,GBJ808,SA6.5A,P6KE56,HS3MB,1N4755A,MT200CB08T3,SA36CA,MT200CB08T2,GS1G,MBR3060CT,DBL205S,GS1J,1.5KE6.8,GS1K,GS1M,ZMM55C10V,SMF6.0A,GS1DB,SR8150,SD103AW,GBL410,MD120K18D1,FR204G,1N5953B,SMB3Z17A,YJQ3400A,GBJ3506A,MMSZ5234B,1S20,MT150DT12L2,GS2A,U1FF,BZX55B6V8,GS2B,BZX55B6V2,GS2D,MBRL30200FCT,1N4754A,GBL406,GBL408,DBL206S,1S40,ZMM55C11V,FR205G,SMB3Z18A,1N5952B,SMF
研讨会2024功率器件新技术研讨会
描述- 11月21日在线直播,带来低导通电阻的功率MOS、集成驱动的GaN IC、IGBT新技术、用于电机驱动/BMS/移动储能的SGT MOS、高压车规SiC功率MOS、国产车规IGBT模块等功率器件新产品新技术,点击了解报名
议题- 降低20%导通电阻的功率MOS | 集成驱动的GaN IC | 沟槽栅场截止型IGBT新技术 | 适用于电机驱动/BMS/移动储能等应用SGT MOSFET | 1700V SiC功率MOS | 国产50A IPM模块 | 高可靠国产车规IGBT模块 | ROHM——专注功率,电源和模拟技术的全球知名半导体厂商 | EPC——基于氮化镓(GaN)功率管理器件的领先供应商 | 致力于功率器件和智能传感器技术的专业半导体厂商——瑶芯微(ALKAIDSEMI) | 中国半导体功率器件十强企业:扬杰科技(YANGJIE) | 致力于成为双碳时代功率半导体中国领跑者——阿基米德半导体(Archimedes) | 中国领先的碳化硅(SiC)半导体和芯片解决方案提供商——瞻芯电子(InventChip) | 专业从事电源管理、电机驱动、微控制器、传感器的集成电路和系统方案的设计与开发——华润微电子(CRM ICBG ) | Kyocera(京瓷)——全球领先的材料与电子元件制造商 | Shindengen(新电元)——“桥王”,整流桥全球份额占比约40% | 中国半导体功率器件十强的主板上市企业——新洁能(NCEPOWER) | 国内首家抗负压能力可达-40V/600ns的电机驱动(HVIC)制造商——数明半导体 | 国内领先的半导体分立器件整合制造商 (IDM) —— 捷捷微电(JieJie Microelectronics) | 国产一站式电路保护解决方案专家——硕凯(SOCAY) |
活动 发布时间 : 2024-10-12
如何外观检测整流桥的好坏?
整流桥的好坏是确保产品的稳定性和可靠性至关重要。那么如何外观检测整流桥的好坏呢?本文辰达行来给大家分享一二。
设计经验 发布时间 : 2024-11-12
【选型】辰达行(Microdiode)ESD防护器件/二极管/MOSFET/晶体管/整流桥选型指南(详细版)
目录- 低压降肖特基管(贴片式) 超快恢复整流管(贴片式) 高效率整流管(贴片式) 快恢复整流管(贴片式) 肖特基势垒整流管(贴片式)/普通整流管(贴片式)/圆柱封装(贴片式) 瞬变抑制管(贴片式) 整流桥 普通整流管(轴向式) 快恢复整流管(轴向式) 高效率整流管(轴向式) 超快恢复整流管\高压整流管\玻璃钝化普通整流管(轴向式) 玻璃钝化快恢复整流管(轴向式) 肖特基势垒整流管(轴向式) 开关管\双向触发管(贴片式/轴向式)和SOD、SOT封装二极管(贴片式) ESD保护管(贴片式) 场效应晶体管(贴片式/轴向式)\晶体管(贴片式)\稳压电路 稳压管(贴片式/轴向式) 瞬变抑制管(轴向式)TVS 可靠性试验项目列表 包装规格 封装结构尺寸图 符号及术语
型号- EABS8,1A1,1A2,EABS6,1A3,1A4,1A5,1A6,SMAJ6.0CA,1A7,SMAJ40CA,EABS4,S2MW,EABS2,SMF10CA,SD15,SD12,SMDJ78CA,MBRF10U65CT,SD05,SD03,SMCJ14CA,S2MF,SB15100L,SMCJ100CA,R4000,SMBJ300A,MBRD1010T,5KP30A,SMBJ150CA,SMF120CA,BZT52C8V2,SR140L,SMDJ170A,SMAJ70A,FR601,KBJ25005,FR602,FR603,FR604,FR605,FR606,MBRF40U60CT,FR607,SMDJ58A,SD24,SA48CA,SMCJ30A,UG6KB60,1SMA5930A,ST540L,SL52BF,1SMA4731A,ST1045,1F1,1F2,SR180,1F3,1SMAF4749A,1F4,1F5,1F6,SA22CA,ST1060,1F7,1SMA5931A,P6KE8.2CA,SMAJ100A,ESD5Z12V,P4KE180A,1SMA4730A,SA110CA,SS210F,UG6KB80,SMDJ54A,RB520S30,SMDJ160CA,SF560T,SMBJ400CA,SMF36CA,1SMA4733A,1H1,1H2,1H3,1SMAF4747A,1H4,P4KE22CA,1H5,1H6,SR580L,1H7,1H8,SMCJ220CA,KBPC25005,1SMA4732A,1.5KE51A,1SMAF4748A,UG2KB05,KBL601,KBL602,KBL604,KBL606,KBL608,1.5KE36CA,SA70CA,KBJ2010,5KP36A,1SS400,1SMA4735A,1SMAF4745A,SMAJ18CA,SA17CA,KBL610,1.5KE170CA,MBR20100CT,R1800,KBJ2008,KBJ2004,5KP90CA,KBJ2006,SMDJ51A,KBJ2002,1SMA5935A,KBJ2001,SS2150,1SMA4734A,1SMAF4746A,SB10200L,AB110S,MMBZ12VAL,SR3200,1SMA5932A,BAS70-06,1.5KE56A,BAS70-04,BAS70-05,US2B,US2A,US2K,US2J,US2G,US2D,SA5.0CA,1SMA4737A,1SMAF4743A,RS2AF,RMB2F,US2M,5KP24CA,BZT52C3V9S,MBR1060FCT,SMBJ90A,US1B,SMF64A,US1A,SMBJ12CA,1SMA5933A,US1J,US1G,ST10100,US1D,MBR10200FCT,1SMA4736A,1SMAF4744A,US1M,US1K,SD101BWS,SMBJ5.0A,1SMAF4741A,1SMA5938A,ST3100L,UG2KB40,ST36BF,SMBJ5337A,1SMA4739A,SR320L,1SMAF4742A,P6KE180CA,US3D,US3B,1SMA5939A,US3A,BZT52C3V3S,US3K,US3J,SMBJ5338A,US3G,US3M,1SMA4738A,UG2KB20,P4KE400A,BZT52C3V6S,KBL6005,1SMA5936A,SMBJ5339A,SL34BF,1.5KE10CA,SM15,SM12,SMF60A,1SMAF4740A,1SMA5937A,US5D,UG2KB10,US5B,US5A,P6KE27CA,MBR10150FCT,US5M,SS5200,5KP33A,US5K,US5J,US5G,SM05,SM03,5KP11CA,P4KE6.8CA,SS3200F,SS510,SMBJ5344A,RMB8F,UG2KB80,ESD3Z3V3BU,RS2GF,RL201G,KBU81Q,SD15C,SMF70A,RMB6S,P4KE20A,SMBJ5345A,SMBJ5346A,SMAJ48CA,SMBJ43CA,SM24,ESD5Z3.3C,S3AF,SMCJ7.5A,SMAJ400A,2SD1664,1SMA5928A,UG2KB60,SA90A,SS52F,SMBJ5347A,1N4001G,SMBJ18A,R5000F,KBU802,KBU804,SS510F,KBU801,RL203G,10A8,10A6,SMAJ300CA,KBU806,RMB8S,10A4,SR3150,P6KE220CA,SA40CA,KBU808,10A2,RS2GW,1SMA5929A,D882,1N4002G,SMBJ5348A,10A1,KBU810,RL202G,SMBJ5340A,RS2BW,P6KE100CA,SMBJ16A,1N4003G,SMBJ30CA,5KP28A,RL205G,RMB4F,S3BF,SR5100L,SMF110A,MBRF20U100CT,SMBJ5341A,RS2AW,SMAJ180A,P4KE100A,RMB2S,1N4004G,SMBJ17A,SMF85CA,RL204G,SMBJ120CA,RS2BF,RB156,RB157,RB154,RB155,5KP8.0A,SMBJ5342A,RS2DW,RMB6F,SMBJ14A,SB0545L,SMDJ16CA,1N4005G,R2500F,SS5150,RL207G,SMBJ130A,SD12C,RMB4S,S3DF,SB1080L,KBP3005,GBJ8005,5KP120CA,SMBJ5343A,SA100A,SMBJ15A,1N4006G,SMAJ170CA,RS2DF,SF2060CT,RL206G,RB152,RB153,RB151,RMB10S,RMB10F,SMBJ12A,KBPC2502W,ESD5B3CM,SMAJ6.0A,P6KE62CA,1N4007G,SR260,SS58F,MMBTA56,MMBTA44,SA7.5CA,SMCJ7.0A,SMDJ51CA,SMBJ13A,KBPC2501W,KMB14F,ES5BBF,S3GF,SR250,P6KE75A,GBU35005,MBRD1015T,ESD5Z15V,SMCJ150A,MM1W330,SA6.0A,S3JF,SB10150L,5KP8.5A,KBPC2504W,SR280,SMAJ78A,5KP120A,UF4007,UF4005,UF4006,SMBJ10A,UF4003,UF4004,UF4001,SMBJ11A,UF4002,P4KE27A,ST310BF,SMAJ22CA,SMCJ6.5CA,TB310S,SMAJ75A,SMCJ36A,MMBTA94,RS2KF,SR220,KMB18F,MBRF10U150CT,SF5150T,SMF54CA,1N4448W,RS2KW,1.5KE100A,KBPC2506W,SS54F,B5817WS,SMCJ45CA,SB20100L,US5GBF,BZT52C7V5,RS2JF,P6KE75CA,P4KE24A,SS53F,RS2JW,S3KF,SMAJ6.5A,SMBJ440A,RS2MF,SMCJ58CA,GBJ810,SMDJ7.5CA,GBU810,1.5KE18CA,RS2MW,GBU802,GBU804,5KP60CA,GBU806,GBU808,KBPC2508W,SR240,SMCJ33A,SS56F,MBR10150CT,GBJ804,GBJ801,GBJ802,P4KE22A,GBU801,KMB16F,ST360L,P4KE6.8A,GBJ808,SA6.5A,SS55F,S3MF,SA36CA,GS1G,MBR3060CT,1SMB5947A,GS1J,MBRD1020T,GS1K,S0DDB3,GS1M,SMDJ20CA,SMF6.0A,SD103AX,SD103AW,RS1G,RS1D,FR204G,RS1B,A04459,RS1A,RS1M,RS1J,RS1K,SMDJ160A,1SMB5948A,SMAJ60A,FR205G,SMDJ48A,SMF22CA,SMCJ7.0CA,GS1B,GS1A,GS1D,SMCJ20A,P4KE36CA,1SMB5949A,P6KE200A,MBR3045FCT,RS3A,SMBJ85A,RS3G,RS3D,P4KE120CA,FR206G,RS3B,1SMA4741A,RS3M,RS3J,RS3K,MBRF30U45CT,BAV19WS,BZT52C6V8S,KBPC3510W,SF502ET,SMDJ33CA,SMDJ45A,MMBZ15VAL,RS2G,1SMA4740A,SL0580,FR207G,RS2D,RS2A,RS2B,SD103AWT,SD103AWS,SF502ED,RS2M,SF10100T,RS2K,SMCJ13CA,RS2J,1SMA5942A,RS5B,RS5A,SMDJ64CA,5KP180CA,RS5J,RS5K,RS5G,1SMA4743A,RS5D,SS38F,1.5KE62A,RS5M,SS3150F,MSB30M,SMCJ26CA,1SMA5943A,MSB30J,SA75A,MSB30K,SMDJ43A,BZT52C6V2S,MM1W300,1SMA4742A,MSB30G,MSB30D,1.5KE250A,SL0560,SD103CW,1SMA5940A,SA78A,RB500V40,SMAJ85CA,1.5KE8.2A,SB1580L,SL20200,GBJ35005,SMBJ90CA,1SMA4745A,1SMAF4759A,1SMA5941A,SMAJ110A,ESD0501BL,SMF6.0CA,SS2200,SD103BW,SMF48CA,1SMA4744A,SL0545,P4KE10CA,KBU8005,AB120S,P4KE18CA,1N4933G,1.5KE350CA,SMDJ40A,1SMA5946A,SM24C,5KP24A,1SMA4747A,1SMAF4757A,SB05200L,RS5ABF,1.5KE24CA,SMF78A,SMDJ110CA,1SMA5947A,1N4001,1SMA4746A,1N4002,1N4003,SD101CWS,1SMAF4758A,1N4004,1N4005,SF5200T,1N4006,1N4007,1N4935G,1.5KE68A,SMBJ24CA,1SMA5944A,5KP26A,1SMAF4755A,SA18CA,1SMA4749A,1N4934G,1SMA5945A,ESD0501OC,1SMA4748A,1SMAF4756A,BAS316,S8550,1N4937G,MBR30100CT,BSS123,1SMAF4753A,SMF75A,SF306ET,1.5KE11CA,GBJ5002,GBJ5004,GBJ5001,P6KE15CA,SMCJ440A,GBJ5006,GBU8005,GBJ5008,SF306ED,5KP20A,1N4936G,BSS138,1.5KE68CA,SMBJ11CA,SMDJ5.0CA,SL22BF,ESD3Z5V0BU,1SMAF4754A,SB0560L,5KP12CA,SR2100L,P4KE91A,1SMAF4751A,1SMA5948A,SMF17CA,SF1040CT,5KP22A,SMF70CA,5KP5.0A,DSF1A,ESD5Z7V0,1SMAF4752A,DSF1G,1SMA5949A,DSF1C,GBJ5010,DSF1B,DSF1E,DSF1D,1N5391,1N5393,DSF1J,1N5
介绍肖特基桥选型要注意的地方
肖特基桥凭借其低正向压降和高速开关特性,成为电源系统中广泛应用的元器件,尤其在DC-DC转换器、LED照明、太阳能逆变器等高效电源系统中,表现出色。然而,在选型时,如何找到适合的肖特基整流桥以满足实际应用的要求,涉及多个技术要点。本文中辰达行来为大家介绍肖特基桥选型要注意的地方,希望对各位工程师朋友有所帮助。
设计经验 发布时间 : 2024-11-03
整流桥前为什么加电阻?整流桥加了电阻会有什么影响呢?
整流桥热阻是指整流桥(Rectifier Bridge)元件在工作过程中产生的热量与其散热条件之间的热阻。整流桥通常由四个二极管组成,用于将交流电转换为直流电。当整流桥工作时,电流通过二极管时会引起电阻发热。由于电子元件的电阻和通电时产生的功率,整流桥会产生一定的热量。这些热量会通过整流桥的外表面散发到周围环境中。
设计经验 发布时间 : 2023-12-26
解析整流桥选型要注意的地方
整流桥在电源和电路设计中扮演着重要角色,用于将交流电(AC)转换为直流电(DC),广泛应用于电源适配器、工业控制、通信设备等领域。选型时如何确保整流桥满足实际应用的要求,是一个不可忽视的技术细节。本文中辰达行来为大家解析整流桥选型要注意的地方,希望对各位工程师朋友有所帮助。
设计经验 发布时间 : 2024-11-02
【选型】辰达行(Microdiode)ESD防护器件/二极管/MOSFET/晶体管/整流桥选型指南(简版)
目录- ESD静电管/MOSFET分立器件/分立器件晶体管 普通整流管/快恢复整流管/高效率整流管/超快速整流管 肖特基势垒整流管/瞬态电压抑制器/稳压管/整流桥 工厂设备&产品应用
型号- 1A1,KBPC35005,8A005G,MB10M,MB10S,1A7,SOD1E8,SF51,MB10F,SMCJ440CA,SS1200,1N5408G,SOD1E1,SD103AW,S2MW,10A005G,SF58,FR301G,HER101,FR107G,RS1A,RS1M,MMBT2907A,MURS420,SMF5.0CA,SOD1F7,GBU1510,KBPC5010,MMBT4403,HER108,MUR1100,SOD1F1,SD03,S2MF,HER508G,MB110S,RS3A,6A10G,MBR10200CT,ESD2401OC,GBJ25005,HER201,SD36,MBR1045CT,SB15100L,GBU15005,TB10S,KBU15005,RS3M,US2AW,DL4937,MSB40M,2SC3356,SOD1H8,KBPC3510W,SF61,SOD1H1,KBPC6005,HER208,FR601,SMF5.0A,US1AF,FR607,S1MF,SF68,SB1045L,FR207G,MBRB3040CT,RS2A,1SMA4764A,UG3KB05,MSB40D,SD103AWS,RS2M,LM4001,DL4933,GBLC03CI,MMBT5401,LM4007,SS22,SFF1601CT,RS5A,KBL4005,HER301,KBPC2510W,ESD5B5CL,ESD5B5CM,SL1545,SS32,ST1045,1N5391G,GBU3510,1F1,1N5400,6A005,KBL410,RS5M,UF4001G,MSB30M,1F7,1N5408,HER608G,SS12,SMAF440CA,HER308,SF501ET,US2AF,SS3200,W10,UM10B,SF501ED,MMBZ27VAL,MSB30D,DL5817,SD103CW,DL5819,DLFR101,MB12S,GBU410,ESD8D8V0-36,MBRF3045CT,GBU25005,BZX84C43,FR307G,GBJ35005,1H1,UF5A,SS52,ESD5Z3V3,1H8,ESD0501BL,S10A,RS6A,SS2200,US3AF,BSSN20,KBPC25005,SMAF5.0A,DB207S,GBLC24CI,DLFR107,SR1200,S10M,RS6M,SD103CWS,MUR4100,KBU8005,1N4933G,TT6MF,SF61G,ESD0301BL,B5819W,SK8200,MBR30200CT,MBR845,SM24C,KBPC50005W,2N7002K,DB107S,UG3KB100,RS3AF,MBRD5200T,KBJ410,KBL610,SR2200,KBPC8005,FR301,RS5ABF,BZT52C5V1T,US2MW,FR601G,US5MBF,FR307,UF5M,SS1200F,US2MF,1N4001,1N4007,SMAJ440A,SR3200,KBPC10005,SF51G,US2A,ESD0504TL,SFF1608CT,MURS120,KBPC1510,AO3460,TT6KF,HER208G,GBU6005,RS2AF,US2M,MB05S,MBRF2045CT,FR201,10A10,MB05M,US1A,MBRF30200CT,8A10G,FR207,SF506ET,1SMA5957A,ESD0501OC,MB05F,ST2045,US3MF,US1M,10A010G,SF506ED,TB05S,S8550,SMBJ5.0A,1N5399G,1N4937G,M1,KMB120F,BSS123,M7,MURS460,MBRF20200CT,KBPC25005W,SMCJ440A,SMAJ5.0CA,GBU8005,MBRD1040D,RL207,GBJ10005,GBU150005,SB10100L,HER501G,KBJ610,RL201,BSS138,FR101,ESD8D12V,US3A,FR107,SMDJ5.0CA,MBRD5200TT,MUR420,SF801,ESD3Z5V0BU,ESD5Z36,HER308G,MBR20200CT,SMDJ5.0A,DB201S,MBRD5200,8A005,SF808,UF5400G,US3M,S5AF,S1A,KBU6005,SMCJ5.0CA,B5817W,ST510C,SMF440CA,B772,S1M,KBL6005,MBRD540T,S1AF-S1MF,ST510A,MMBT2222A,ST510B,DB101S,S2A,KMB220F,MBRD10200D,FR607G,KBJ4005,UF4007G,US5A,1SMA5913A,S2M,US5M,SS5200,1N5391,KBU610,1N5399,SM03,HER601G,1SMA4728A,SMBJ5.0CA,S3A,SR5200,SF21G,UF5408,MBR3045CT,SS3200F,S3M,UF5400,B5819WS,AO3400,HER101G,KBPC810,KBPC3510,ESD3Z3V3BU,SM36,GBU4005,RL201G,SD03C,SF68G,MBRD540D,RS5MBF,SF1601,FR151G,DSK320,GBU20005,6A005G,ESD05D6BU,SMBJ5333A,MBRF1045CT,ESD05D6CU,6A10,GBJ1510,ESD5Z3.3L,US5ABF,M1F-M7F,MBRF10200CT,ESD5Z3.3C,S5A,SMF440A,FR151,ABS10,S3AF,SR320,SF11G,1N4001S,FR157,SF1601CT,SB1545L,2SC1623,S5M,MURS1100,ES1JF,SS52F,1N4001G,SF1608,DL4001,GBJ2510,W005,KBU2510,DL4007,DB157S,S6A,ES2JW,SF58G,ABS05,ST510BF,DSK220,DSR0.3A,S6M,BZT52C75,D882,ES2JF,HER201G,ESD8D3V3,KBU810,MUR120,DSR0.3M,BZT52C5V47T,S2AF,ESD5Z5.0L,DB157,ABS210,BZT52C47T,KBP2005,SFF808,10A005,S2AW,DB151,ABS205,KBPC15005W,KBP210,SFF801,ESD5Z5.0C,RS1AF,SFF21608CT,UF5408G,RS2AW,KBJ6005,SMBJ440CA,KBU10005,KBPC2510,SM03C,ES3JF,SS2200F,SMAJ5.0A,SR520,SF31G,S1AF,SI2310,S8050,ESD0502TL,HER301G,BSN20,MMBZ5V6AL,RL207G,KBP310,SMDJ440CA,S9012,BZT52C2V0,SI2300,KBP3005,GBJ8005,FR157G,UM1B,SL2045,8A10,BZT52C2V0S,SS8550,US1MF,SF2060CT,KBU1510,HER108G,S9018,SD36C,RS1MF,1N5400G,KBPC1510W,ESD0302L,1N4007S,MBRB30200CT,SMAF440A,KBPC50005,ESD5B3CM,MM1W3V3,KBF2005,1N4007G,DSK32,SS22F,SF2010CT,DB151S,SR05LC,HER508,MBR8200,HER501,KBPC5010W,KMB14F,RMB12F,DSK22,ST54A,ESD0302TL,ST54B,BC858,GBU35005,ST54C,SF28G,2N7002,M1F,ES1J,ESD0522P,GBU610,SMBJ5362A,SM712,KBPC310,SL1045,MM1W330,BZX84C2V4,2W005,DSK12,ES1AF,2W10,ES2A,SS12F,ST54BF,SS5200F,1N4933,SMAF5.0CA,HER608,DB107,1N4937,GBU1010,DB101,GBJ1010,UF4007,KBPC15005,FR101G,ESD5B5CU,HER601,UF4001,SMAJ440CA,KMB24F,SK82,S5MF,ES1A,SF18G,RS3MF,BZT52C75S,KBU1010,ES3J,SR220,SMDJ440A,ES2AW,GBU2010,ESD0524P,KBPC610,SF1608CT,SF11,KBPC1010,ES2AF,SF18,BC807,B5817WS,SOD4007,SB20100L,1SMB5956A,ES2J,DB207,SL10100,DB201,DSK120,SOD4001,SFF1601,RMB16F,1SMB5913A,ES3A,SS8050,GBU10005,SMBJ440A,RS2MF,GBJ15005,ES5J,GBJ810,1N5817,SR120,ESD5Z2.3L,SFF1608,1N5819,GBU810,KBU25005,FR201G,RS2MW,ESD0502L,SF31,ES3AF,SF38,1N5820,SS32F,1N5822,SB2045L,SMCJ5.0A,SF21,GBJ3510,ES5A,MBR2045CT,SF38G,M7F,KBPC35005W,S3MF,SF28
电子商城
现货市场
服务
可定制位移传感器量程范围10~600mm,该YWD型位移传感器表面有带刻度的透明窗☐,每毫米的变化量误差不超过3ue/mm,可在静态、准静态和低频动态下工作。主要指标:非线性<0.2%;供桥电压<10v;测试精度:0.01mm。
最小起订量: 1 提交需求>
登录 | 立即注册
提交评论