规格:安装类型 表面贴装,
专业代理销售st(意法)全系列产品
关于我们
|
联系我们
库存查询
ST产品选型
产品
制造商
联系我们
美国1号分类选型
新加坡2号分类选型
英国10号分类选型
英国2号分类选型
日本5号分类选型
在本站结果里搜索:
热门搜索词:
电容器
Vicor
MXP7205VW
STM32F103C8T6
1379658-1
UVX
美国1号仓库
产品分类
(894750)
音频产品
(232)
电容器
(46296)
电路保护
(41527)
连接器,互连器件
(142096)
晶体,振荡器,谐振器
(147211)
分立半导体产品
(77700)
滤波器
(7368)
电感器,线圈,扼流圈
(66994)
集成电路(IC)
(268609)
隔离器
(7954)
套件
(791)
光电元件
(29069)
电位计,可变电阻器
(2877)
电源 - 板安装
(14911)
继电器
(3318)
电阻器
(21421)
射频/IF 和 RFID
(2581)
传感器,变送器
(7799)
开关
(3648)
测试与测量
(20)
变压器
(2328)
筛选品牌
3M(1376)
3M (TC)(208)
4D Systems Pty Ltd(3)
Abracon LLC(22985)
Active-Semi International Inc.(132)
Adafruit Industries LLC(24)
Adesto Technologies(603)
Advanced Linear Devices Inc.(224)
Aearo Technologies, LLC(1693)
Aeroflex Metelics, Division of MACOM(57)
AKM Semiconductor Inc.(256)
Allegro MicroSystems, LLC(563)
Alliance Memory, Inc.(925)
Alpha & Omega Semiconductor Inc.(1190)
Altera(4095)
Ambiq Micro, Inc.(12)
American Technical Ceramics(24)
Ametherm(2)
Amgis, LLC(146)
Amphenol Advanced Sensors(658)
Amphenol Aerospace Operations(1858)
Amphenol Anytek(107)
Amphenol Commercial Products(3766)
Amphenol FCI(1557)
Amphenol Industrial Operations(535)
Amphenol LTW(2)
Amphenol PCD(259)
Amphenol RF Division(133)
Amphenol Sine Systems Corp(72)
Amphenol SV Microwave(419)
Ampleon USA Inc.(11)
ams(826)
Amulet Technologies LLC(3)
Analog Devices Inc.(7708)
Anaren(103)
AnDAPT, Inc.(1)
Antenova(31)
APEM Inc.(134)
Apex Microtechnology(89)
API Delevan Inc.(17186)
API Technologies Corp(149)
Aries Electronics(109)
Artaflex Inc.(4)
Artesyn Embedded Technologies(349)
Assmann WSW Components(66)
AVX Corp/Kyocera Corp(5963)
AVX Corporation(5031)
B&B SmartWorx, Inc.(1)
Bel Fuse Inc.(22)
Bel Inc.(597)
Bel Power Solutions(1412)
Bivar Inc.(206)
BlueCreation(5)
Bosch Sensortec(19)
Bourns Inc.(12813)
Bridgelux(58)
Broadcom Limited(2937)
C&K(706)
Cantherm(34)
Cardinal Components Inc.(1526)
Carling Technologies(1)
CEL(1379)
Central Semiconductor Corp(1443)
CH Products(31)
Cinch Connectivity Solutions(568)
Cinch Connectivity Solutions AIM-Cambridge(197)
Cinch Connectivity Solutions Johnson(70)
Cinch Connectivity Solutions Midwest Microwave(40)
Cinch Connectivity Solutions Semflex(20)
Cinch Connectivity Solutions Trompeter(136)
Cinch Connectivity Solutions Vitelec(245)
Cirrus Logic Inc.(703)
Citizen(65)
Citizen Finedevice Co Ltd(1462)
CNC Tech(349)
Comchip Technology(4084)
Comus International(9)
Conec(11)
ConnectBlue(1)
Connor-Winfield(505)
Conxall/Switchcraft(3)
Copal Electronics Inc.(506)
Copeland Communications Inc.(2)
Cornell Dubilier Electronics (CDE)(3882)
Cosel USA, Inc.(595)
Coto Technology(148)
Cree Inc.(17289)
Cree/Wolfspeed(49)
Crydom Co.(7)
Crystek Corporation(836)
CTS Electrocomponents(18773)
CTS Resistor Products(6070)
CTS Thermal Management Products(1052)
CTS-Frequency Controls(590)
CUI Inc.(397)
Cymbet Corporation(11)
Cypress Semiconductor Corp(6850)
Decawave Limited(1)
Delta Electronics(183)
Dialight(286)
Dialog Semiconductor GmbH(6)
Digi International(201)
Diodes Incorporated(14402)
Dynastream Innovations Inc.(22)
Eaton(2899)
Echelon Corporation(19)
Econais(8)
ECS Inc.(4364)
EDAC Inc.(3)
Electric Imp Inc.(2)
Elna America(52)
Enocean(9)
Enpirion(3)
EPC(101)
EPCOS (TDK)(6049)
EPSON(1502)
Epson Electronics America Inc-Semiconductor Div(2414)
E-Switch(330)
Ethertronics Inc.(35)
Everlight Electronics Co Ltd(2279)
Everspin Technologies Inc.(105)
Exar Corporation(2109)
Excelitas Technologies(11)
Fairchild/Micross Components(16668)
Fairchild/ON Semiconductor(3963)
FDK America, Inc., a member of Fujitsu Group(10)
Finisar Corporation(2)
Fox Electronics(206)
Fremont Micro Devices USA(134)
FTDI, Future Technology Devices International Ltd(7)
Fujitsu Electronics America, Inc.(69)
GainSpan Corporation(16)
GE Critical Power(318)
GeneSiC Semiconductor(19)
Global Power Technologies Group(34)
Grayhill Inc.(362)
HARTING(154)
Harwin Inc.(1663)
Heraeus Sensor Technology USA(6)
Hirose Electric Co Ltd(3989)
Holmate Technology Corp. (Holtek)(1)
Holt Integrated Circuits Inc.(31)
Honeywell Microelectronics & Precision Sensors(2)
Honeywell Sensing and Control EMEA(34)
Honeywell Sensing and Productivity Solutions(2)
Honeywell Sensing and Productivity Solutions T&M(45)
IDT, Integrated Device Technology Inc(43385)
Illinois Capacitor(473)
Industrial Fiberoptics(1)
Infineon Technologies(7606)
Infineon Technologies Industrial Power and Controls Americas(25)
Inolux(32)
Inphi Corporation(41)
Intel(27)
Intersil(9086)
Inventek Systems(41)
Isocom Components 2004 LTD(100)
ISSI, Integrated Silicon Solution Inc(3524)
IXYS(1050)
IXYS Integrated Circuits Division(797)
JAE Electronics(845)
Jaro Components Inc.(26)
JKL Components Corp.(2)
Johanson Technology Inc.(1007)
JST Sales America Inc.(497)
KEMET(7353)
Keystone Electronics(34)
Kingbright(588)
Kionix Inc.(3599)
Knowles(4)
Knowles Dielectric Labs(27)
Knowles Syfer(91)
Knowles Voltronics(56)
Laird - Embedded Wireless Solutions(34)
Laird Technologies EMI(32)
Laird Technologies IAS(57)
Laird-Signal Integrity Products(801)
Lattice Semiconductor Corporation(5596)
Leader Tech Inc.(69)
LED Engin Inc.(201)
LEM USA Inc.(25)
Linear Technology(13656)
Linx Technologies Inc.(62)
Lite-On Inc.(648)
Littelfuse Inc.(6869)
Lumex Opto/Components Inc.(361)
Lumileds(600)
Luminus Devices Inc.(311)
Luna Optoelectronics(49)
M/A-Com Technology Solutions(146)
Macronix(430)
Mallory Sonalert Products Inc.(33)
Marktech Optoelectronics(74)
Maxim Integrated(22483)
MEC Switches(169)
MegaChips Technology America Corporation(8)
Melexis Technologies NV(281)
Memsic Inc.(23)
MeshNetics(1)
Micro Commercial Co(2346)
Microchip Technology(27177)
Micron Technology Inc.(4733)
Micronas GmbH(12)
Microsemi Corporation(11949)
Microsemi Solutions Sdn Bhd.(12019)
MikroElektronika(1)
Mill-Max Manufacturing Corp.(2159)
MMB Networks(4)
Molex - Temp Flex(2315)
Molex Connector Corporation(364)
Molex, LLC(81)
Monolithic Power Systems Inc.(1593)
Multi-Tech Systems Inc.(13)
Murata Electronics North America(6814)
Murata Power Solutions Inc.(1302)
NDK America, Inc.(289)
Newava Technology Inc.(8)
Nexperia USA Inc.(9246)
Nichicon(3792)
Nidec Copal Electronics(648)
NJR Corporation/NJRC(518)
NKK Switches(113)
NorComp Inc.(15)
Nordic Semiconductor ASA(11)
Nuvoton Technology Corporation of America(673)
NVE Corp/Isolation Products(12)
NVE Corp/Sensor Products(1)
NXP USA Inc.(7280)
Ohmite(14)
Omron Electronics Inc-EMC Div(974)
ON Semiconductor(11805)
On Shore Technology Inc.(49)
Oplink Communications, LLC(2409)
Opto Diode Corp(2)
OSRAM Opto Semiconductors Inc.(2688)
Packet Digital LLC(2)
Panasonic - ATG(2536)
Panasonic - BSG(853)
Panasonic - DTG(371)
Panasonic Electric Works(240)
Panasonic Electronic Components(4556)
Panasonic Industrial Automation Sales(6266)
Parallax Inc.(6)
Peregrine Semiconductor(9)
Phoenix Contact(324)
Pomona Electronics(1)
Power Integrations(602)
Powerex Inc.(20)
Preci-Dip(5099)
Proant AB(11)
PUI Audio, Inc.(125)
Pulse Electronics Network(2222)
Pulse Electronics Power(1217)
PulseLarsen Antennas(1122)
Qimonda(4)
QT Brightek (QTB)(207)
Qualcomm (RF360 - A Qualcomm & TDK Joint Venture)(494)
Quatech-Division of B&B Electronics(3)
Radiocrafts AS(33)
RAFI USA(7)
Ramtron(9)
RayVio Corporation(20)
Recom Power(9179)
Renesas Electronics America(596)
RF Digital Corporation(7)
RF Solutions(37)
RFMD(2)
Richtek USA Inc.(1356)
Riedon(1)
Rigado, Inc.(7)
Rohm Semiconductor(4424)
Rubycon(1269)
Sagrad Inc.(14)
Samsung Electro-Mechanics America, Inc.(940)
Samsung Semiconductor, Inc.(1451)
Samtec Inc.(95854)
SanDisk(1)
Sanken(316)
SANYO Semiconductor (U.S.A) Corporation(1)
Schott Corporation(24)
Schurter Inc.(223)
Seeed Technology Co., Ltd(17)
Semtech Corporation(1408)
Sensata Technologies/Airpax(1)
Sensirion AG(25)
Seoul Semiconductor Inc.(197)
Sharp Microelectronics(816)
Sierra Wireless(14)
Sigma Designs Inc.(49)
Signal Transformer(19)
SII Semiconductor Corporation(13335)
Silego Technology(8)
Silicon Labs(10870)
Siretta Ltd(16)
SiTIME(56543)
Skyworks Solutions Inc.(280)
SMC Diode Solutions(1034)
Soberton Inc.(32)
Socle Technology Corporation(36)
SparkFun Electronics(2)
Sprague-Goodman(156)
Stackpole Electronics Inc.(1081)
Standex-Meder Electronics(19)
Stanley Electric Co(134)
ST-Ericsson Inc(3)
Stewart Connector(5)
STMicroelectronics(8649)
Sullins Connector Solutions(6660)
Sumida America Components Inc.(3806)
SunLED(309)
Susumu(526)
Swissbit(1)
Switchcraft Inc.(5)
Synapse Wireless(4)
Taitien(1000)
Taiwan Semiconductor Corporation(10475)
Taiyo Yuden(4007)
Talema Group LLC(8)
Tallysman Wireless Inc.(3)
Talon Communications, Inc.(2)
Tamura(313)
Taoglas Limited(80)
TDK Corporation(4831)
TDK-Lambda Americas Inc.(147)
TE Connectivity Aerospace, Defense and Marine(1294)
TE Connectivity ALCOSWITCH Switches(1582)
TE Connectivity AMP Connectors(673)
TE Connectivity Corcom Filters(240)
TE Connectivity Deutsch Connectors(87)
TE Connectivity Measurement Specialties(53)
TE Connectivity Passive Product(1082)
TE Connectivity Potter & Brumfield Relays(290)
TE Connectivity Raychem Cable Protection(258)
Texas Instruments(40501)
Toko America Inc.(83)
Torex Semiconductor Ltd(8057)
Toshiba Semiconductor and Storage(2971)
Touchstone Semiconductor(46)
Transphorm(10)
Triad Magnetics(102)
Trinamic Motion Control GmbH(52)
TRP Connector B.V.(19)
TT Electronics/BI(967)
TT Electronics/BI Magnetics(236)
TT Electronics/IRC(52)
TT Electronics/Optek Technology(252)
TT Electronics/Welwyn(394)
Tusonix a Subsidiary of CTS Electronic Components(7599)
TXC CORPORATION(5972)
United Chemi-Con(1797)
US Sensor(115)
Vicor Corporation(279)
Vishay BC Components(6194)
Vishay Beyschlag(18539)
Vishay Dale(6827)
Vishay Electro-Films(7543)
Vishay Foil Resistors (Division of Vishay Precision Group)(651)
Vishay Huntington Electric Inc.(2572)
Vishay Semiconductor Diodes Division(997)
Vishay Semiconductor Opto Division(572)
Vishay Semiconductor Opto Division(1536)
Vishay Sfernice(1655)
Vishay Siliconix(3557)
Vishay Spectrol(414)
Vishay Sprague(173)
Vishay Thin Film(176)
Vishay Vitramon(338)
Visual Communications Company - VCC(216)
Volgen America/Kaga Electronics USA(1)
Walsin Technology Corporation(62)
WeEn Semiconductors(195)
Weidmuller(11)
Winbond Electronics(846)
Winchester Electronics(3)
Wurth Electronics Inc.(4331)
Wurth Electronics Midcom(220)
Wurth Elektronik iBE(34)
Xilinx Inc.(3828)
XP Power(421)
Yageo(6204)
Zilog(327)
重新选择
规格选型正在加载中...
在结果中搜索词:
以下搜索结果
参考图片
制造商 / 描述 / 型号 / 仓库库存编号 / 别名
PDF
操作
Harwin Inc.
CONN RCPT 1.27MM SMT AU 2POS
详细描述:2 位 插座 连接器 0.050"(1.27mm) 表面贴装 金
型号:
M50-3140245
仓库库存编号:
952-3590-ND
别名:952-3590
规格:安装类型 表面贴装,
无铅
搜索
Nexperia USA Inc.
IC 3-8 DECOD/DEMUX INV 16SSOP
详细描述:Decoder/Demultiplexer 1 x 3:8 16-SSOP
型号:
74LVC138ADB,118
仓库库存编号:
74LVC138ADB,118-ND
别名:74LVC138ADB-T
74LVC138ADB-T-ND
935260746118
规格:安装类型 表面贴装,
无铅
搜索
Nexperia USA Inc.
IC 3-8 DECOD/DEMUX INV 16SSOP
详细描述:Decoder/Demultiplexer 1 x 3:8 16-SSOP
型号:
74LVC138ADB,112
仓库库存编号:
1727-6114-ND
别名:1727-6114
568-7871-5
568-7871-5-ND
74LVC138ADB
74LVC138ADB,112-ND
74LVC138ADB-ND
935260746112
规格:安装类型 表面贴装,
无铅
搜索
Hirose Electric Co Ltd
CONN HDR 20POS 1.25MM SMD AU
详细描述:20 位 接头 连接器 0.049"(1.25mm) 表面贴装 锡
型号:
DF13E-20DP-1.25V(21)
仓库库存编号:
H125393CT-ND
别名:H125393CT
规格:安装类型 表面贴装,
不适用
搜索
ON Semiconductor
MOSFET P-CH 20V 14A U8FL
详细描述:表面贴装 P 沟道 20V 9A(Ta) 840mW(Ta) 8-WDFN(3.3x3.3)
型号:
NTTFS3A08PZTWG
仓库库存编号:
NTTFS3A08PZTWGOSCT-ND
别名:NTTFS3A08PZTWGOSCT
规格:安装类型 表面贴装,
无铅
搜索
Maxim Integrated
IC 2.55V ACT HI 20% SOT23
详细描述:Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-3
型号:
DS1817R-20+T&R
仓库库存编号:
DS1817R-20+CT-ND
别名:DS1817R-20+CT
规格:安装类型 表面贴装,
无铅
搜索
Panasonic Electronic Components
FIXED IND 220UH 700MA 480 MOHM
详细描述:220μH 屏蔽 绕线 电感器 700mA 480 毫欧 非标准
型号:
ELL-8TP221MB
仓库库存编号:
PCD2455CT-ND
别名:PCD2455CT
规格:安装类型 表面贴装,
无铅
搜索
TDK Corporation
FIXED IND 15UH 2.6A 66 MOHM
详细描述:15μH 屏蔽 绕线 电感器 2.6A 66 毫欧最大 非标准
型号:
CLF7045NIT-150M-D
仓库库存编号:
445-174174-1-ND
别名:445-174174-1
规格:安装类型 表面贴装,
无铅
搜索
STMicroelectronics
MOSFET N-CH 200V 7A DPAK
详细描述:表面贴装 N 沟道 200V 7A(Tc) 45W(Tc) D-Pak
型号:
STD7NS20T4
仓库库存编号:
497-6566-1-ND
别名:497-6566-1
规格:安装类型 表面贴装,
无铅
搜索
Microchip Technology
IC REG LINEAR 1.8V 300MA 6TMLF
详细描述:Linear Voltage Regulator IC Positive Fixed 1 Output 1.8V 300mA 6-TMLF? (1.6x1.6)
型号:
MIC5318-1.8YMT-TR
仓库库存编号:
576-4579-1-ND
别名:576-4579-1
规格:安装类型 表面贴装,
无铅
搜索
Winbond Electronics
IC FLASH 32MBIT 133MHZ 8SOP
详细描述:FLASH - NOR 存储器 IC 32Mb (4M x 8) SPI 133MHz 8-SOIC
型号:
W25Q32JVSSIQ TR
仓库库存编号:
W25Q32JVSSIQCT-ND
别名:W25Q32JVSSIQCT
规格:安装类型 表面贴装,
无铅
搜索
Nexperia USA Inc.
MOSFET N-CH 80V 84A LFPAK
详细描述:表面贴装 N 沟道 80V 84A(Tc) 194W(Tc) LFPAK56,Power-SO8
型号:
BUK9Y11-80EX
仓库库存编号:
1727-1120-1-ND
别名:1727-1120-1
568-10275-1
568-10275-1-ND
规格:安装类型 表面贴装,
无铅
搜索
Vishay Siliconix
MOSFET ARRAY 2N-CH 100V SO8
详细描述:Mosfet Array 2 N-Channel (Dual) 100V 30A (Tc) 48W Surface Mount PowerPAK? SO-8 Dual
型号:
SQJ974EP-T1_GE3
仓库库存编号:
SQJ974EP-T1_GE3CT-ND
别名:SQJ974EP-T1_GE3CT
规格:安装类型 表面贴装,
无铅
搜索
Vishay Siliconix
MOSFET ARRAY 2N-CH 80V SO8
详细描述:Mosfet Array 2 N-Channel (Dual) 80V 30A (Tc) 48W Surface Mount PowerPAK? SO-8 Dual
型号:
SQJB90EP-T1_GE3
仓库库存编号:
SQJB90EP-T1_GE3CT-ND
别名:SQJB90EP-T1_GE3CT
规格:安装类型 表面贴装,
无铅
搜索
Semtech Corporation
IC REG BUCK 2.5V 1A SYNC 16-VQFN
详细描述:固定 降压 开关稳压器 IC 正 2.5V 1 输出 1A 16-VFQFN 裸露焊盘
型号:
TS30041-M025QFNR
仓库库存编号:
TS30041-M025QFNRCT-ND
规格:安装类型 表面贴装,
无铅
搜索
Semtech Corporation
IC REG BUCK 1.5V 1A SYNC 16-VQFN
详细描述:固定 降压 开关稳压器 IC 正 1.5V 1 输出 1A 16-VFQFN 裸露焊盘
型号:
TS30041-M015QFNR
仓库库存编号:
TS30041-M015QFNRCT-ND
别名:TS30041-M015QFNRCT
规格:安装类型 表面贴装,
无铅
搜索
Semtech Corporation
IC REG BUCK 1.8V 1A SYNC 16-VQFN
详细描述:固定 降压 开关稳压器 IC 正 1.8V 1 输出 1A 16-VFQFN 裸露焊盘
型号:
TS30041-M018QFNR
仓库库存编号:
TS30041-M018QFNRCT-ND
别名:TS30041-M018QFNRCT
规格:安装类型 表面贴装,
无铅
搜索
Semtech Corporation
IC REG BUCK 1.5V 2A SYNC 16-VQFN
详细描述:固定 降压 开关稳压器 IC 正 1.5V 1 输出 2A 16-VFQFN 裸露焊盘
型号:
TS30042-M015QFNR
仓库库存编号:
TS30042-M015QFNRCT-ND
别名:TS30042-M015QFNRCT
规格:安装类型 表面贴装,
无铅
搜索
Semtech Corporation
IC REG BUCK 1.8V 2A SYNC 16-VQFN
详细描述:固定 降压 开关稳压器 IC 正 1.8V 1 输出 2A 16-VFQFN 裸露焊盘
型号:
TS30042-M018QFNR
仓库库存编号:
TS30042-M018QFNRCT-ND
别名:TS30042-M018QFNRCT
规格:安装类型 表面贴装,
无铅
搜索
Diodes Incorporated
MOSFET NCH 60V 16.3A TO252
详细描述:表面贴装 N 沟道 60V 16.3A(Ta),70A(Tc) 3.1W(Ta) TO-252-4L
型号:
DMTH6010SK3Q-13
仓库库存编号:
DMTH6010SK3Q-13DICT-ND
别名:DMTH6010SK3Q-13DICT
规格:安装类型 表面贴装,
无铅
搜索
ON Semiconductor
MOSFET N-CH 60V 16A WDFN8
详细描述:表面贴装 N 沟道 60V 16A(Ta),70A(Tc) 3.2W(Ta),63W(Tc) 8-WDFN(3.3x3.3)
型号:
NTTFS5C670NLTAG
仓库库存编号:
NTTFS5C670NLTAGOSCT-ND
别名:NTTFS5C670NLTAGOSCT
规格:安装类型 表面贴装,
无铅
搜索
Vishay Siliconix
MOSFET N-CH 60V 8A
详细描述:表面贴装 N 沟道 60V 8A(Tc) 39W(Tc) PowerPAK? 1212-8
型号:
SQS460EN-T1_GE3
仓库库存编号:
SQS460EN-T1_GE3CT-ND
别名:SQS460EN-T1_GE3CT
规格:安装类型 表面贴装,
无铅
搜索
Fairchild/ON Semiconductor
IC SECONDARY SIDE CTRLR 10SOP
详细描述:Power Supply Controller Secondary-Side Controller, Synchronous Rectifier 10-SOP
型号:
FAN6290QHMX
仓库库存编号:
FAN6290QHMXCT-ND
别名:FAN6290QHMXCT
规格:安装类型 表面贴装,
搜索
Nexperia USA Inc.
MOSFET N-CH 25V 66A D2PAK
详细描述:表面贴装 N 沟道 25V 66A(Tc) 93W(Tc) D2PAK
型号:
PHB66NQ03LT,118
仓库库存编号:
1727-4768-1-ND
别名:1727-4768-1
568-5945-1
568-5945-1-ND
规格:安装类型 表面贴装,
无铅
搜索
Adesto Technologies
IC EEPROM 64KBIT 1MHZ 8SOIC
详细描述:EEPROM 存储器 IC 64kb(32B 页面尺寸) I2C 1MHz 8-SOIC
型号:
RM24C64C-LSNI-B
仓库库存编号:
1265-1233-5-ND
别名:1265-1233-5
规格:安装类型 表面贴装,
无铅
搜索
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
邮箱:
sales@szcwdz.com
Q Q:
800152669
手机网站:
m.szcwdz.com
美国1号品牌选型
新加坡2号品牌选型
英国2号品牌选型
英国10号品牌选型
日本5号品牌选型
st(意法)简介
|
st产品
|
st动态
|
产品应用
|
st选型手册
Copyright © 2017
www.st-ic.com
All Rights Reserved. 技术支持:
电子元器件
ICP备案证书号:
粤ICP备11103613号