本文内容由RICOH品牌授权世强硬创平台转载，旨在分享知识与信息，如有内容侵权或者其他违规问题，请及时与我们联系，我们将在核实情况后尽快删除或提供适当的版权信息。对于通过本网站上传或发布的内容，世强硬创平台不承担任何版权责任。
相关推荐
Ricoh（理光微电子） R1243x 应用于消费市场的DC/DC转换器数据手册
2017年06月08日 - 数据手册 该资料介绍了R1243x系列30V输入2A降压DC/DC转换器。该转换器基于CMOS技术，具有内部Nch高边Tr. (0.175 Ω)，可提供最大2A输出电流。内部包括振荡器、PWM控制电路、参考电压单元、误差放大器、相位补偿电路、斜率电路、软启动电路、保护电路、内部电压调节器和bootstrap电路开关。该转换器通过添加电感、电阻、二极管和电容器即可配置，无需外部电流感应电阻。具有高速响应时间、高效率和陶瓷电容器兼容性。频率固定为1000 kHz或330 kHz，具有周期峰值电流限制功能、短路保护功能、热关断功能和UVLO保护功能。
RICOH - 30V INPUT 2A BUCK DC/DC CONVERTER,电源芯片,30V输入2A降压型DC/DC变换器,R1243K001∗-TR,R1243S001A-E2-FE,R1243K001E-E2-FE,R1243S001B-TR,R1243K001C-TR,R1243S001D-TR,R1243K001A-TR,R1243K001D,R1243K001D-TR,R1243K001E,R1243K001C-E2-FE,R1243K001A,R1243S,R1243S001C-E2-FE,R1243K001B,R1243K001C,R1243S001E,R1243S001D,R1243K001A-E2-FE,R1243S001A,R1243S001C,R1243S001B,R1243X001B,R1243X001A,R1243S001E-E2-FE,R1243S001B-E2-FE,R1243K001D-E2-FE,R1243S001A-TR,R1243K001B-TR,R1243X001E,R1243S001E-TR,R1243K,R1243X001D,R1243S001C-TR,R1243X001C,R1243K001E-TR,R1243X,R1243K001B-E2-FE,R1243S001∗-E2-FE,R1243X001X,R1243S001D-E2-FE,BATTERY CHARGER,电池充电器,BATTERY-POWERED EQUIPMENT,电池供电设备,DIGITAL HOME APPLIANCES,消费电子,手持通信设备：摄像机、录像机、摄像机,数字家电,HAND-HELD COMMUNICATION EQUIPMENT: CAMERAS, VCRS, CAMCORDERS
Ricoh（理光微电子） R1243S测试报告
2016年07月25日 - 测试报告 本报告为R1243S系列2A, 30V降压DC/DC转换器的可靠性测试报告。报告涵盖了高温工作寿命、温湿度偏置、高温存储、低温存储、温湿度、温度循环、USPCBT、USPCT、焊接热抵抗、可焊性、ESD和闩锁效应等测试项目。测试结果显示，该系列产品的可靠性良好。
RICOH - 电源芯片,R1243S001A-E2-FE,R1243S001E-E2-FE,R1243S001B-E2-FE,R1243S001A-TR,R1243S001B-TR,R1243S001E-TR,R1243S001C-TR,R1243S001D-TR,R1243S,R1243S001C-E2-FE,R1243S001E,R1243S001D,R1243S001A,R1243S001D-E2-FE,R1243S001C,R1243S001B,工业电子,消费电子,汽车电子,通信设备
R1243K系列标记规格
2021/12/9 - 封装信息/封装结构图 本资料为R1243K系列元器件的标识规范，包括DFN(PLP)2527-10封装规格。资料详细列出了产品代码与产品标识的对应关系，包括R1243K系列的不同型号及其对应的代码。
RICOH - R1243K001D,R1243K001E,R1243K001A,R1243K001B,R1243K001C,R1243K SERIES,R1243K
光纤通信EPON模块上使用了AP2952，其输出电流为2A，输入电压范围为4.75V～18V，输出电压为0.9V～15V，但是成本较高，有无替代型号？
2017-10-10 - 技术问答 推荐使用R1243x做替换型号。
R1244 Series 1.2A 30V Input PWM Step-down DCDC Converter
数据手册
RICOH - 1.2A 30V输入PWM降压DCDC变换器,1.2A 30V INPUT PWM STEP-DOWN DCDC CONVERTER,R1244N001B-TR-FE,R1272,R1240,R1273,R1270,R1243,R1244,R1275,R1242,R1245,BATTERY CHARGER,电池充电器,BATTERY-POWERED EQUIPMENT,电池供电设备,DIGITAL HOME APPLIANCES,数字家电,手持通信设备、摄像机、录像机、摄像机,HAND-HELD COMMUNICATION EQUIPMENT, CAMERAS, VCRS, CAMCORDERS
Ricoh（理光微电子） R1245N测试报告
2016年07月25日 - 测试报告 本报告为R1245N系列DC/DC转换器的可靠性测试报告。报告涵盖了高温操作寿命、温度湿度偏压、高温存储、低温存储、温度湿度、温度循环、USPCBT、USPCT、耐焊接热、可焊性、ESD、闩锁效应等测试项目。测试结果显示，该系列产品的可靠性良好。
RICOH - 电源芯片,R1245N001A-TK-FE,R1245N001E-TR-FE,R1245N001H,R1245N001H-TR-FE,R1245N001F-TR-FE,R1245N001A,R1245N,R1245N001E,R1245N001F,工业电子,消费电子,汽车电子,通信设备
R1243S系列标记规格
2021/12/9 - 封装信息/封装结构图 本资料为R1243S系列元器件的标识规范，包括HSOP-8E封装的产品代码、批次号等信息。详细列出了产品代码与产品型号的对应关系，以及不同型号的具体编码规则。
RICOH - R1243S,R1243S SERIES,R1243S001E,R1243S001D,R1243S001A,R1243S001C,R1243S001B
车载装置需要一款DC-DC变换器，要求输入电压为12V，输出电压为5V，电流保持恒流输出1A，请问有哪些合适的推荐型号？
2017-10-10 - 技术问答 Ricoh的DC-DC变换器中R1243X系列，其最大输入电压30V，输出能力2A，效率达到90%以上，满足应用需求。
R1243x SERIES 30 V Input 2 A Buck DC/DC Converter
2018/02/19 - 数据手册 R1243x系列是一款基于CMOS的降压DC/DC转换器，具有内部Nch高边Tr，可提供最大2A的输出电流。该转换器内部包含振荡器、PWM控制电路、参考电压单元、误差放大器、相位补偿电路、斜坡电路、软启动电路、保护电路、内部电压稳压器和自举电路开关。R1243x无需外部电流检测电阻，具有高速响应时间，高效率，并兼容陶瓷电容器。
RICOH - 30 V输入2A降压DC/DC转换器,30 V INPUT 2A BUCK DC/DC CONVERTER,R1243X001B,R1243X,R1243X001A,R1243K001∗-TR,R1243S001X,R1243S001∗-E2-FE,R1243X001E,R1243X001D,R1243X001C,BATTERY CHARGER,电池充电器,BATTERY-POWERED EQUIPMENT,电池供电设备,DIGITAL HOME APPLIANCES,手持通信设备：摄像机、录像机、摄像机,数字家电,HAND-HELD COMMUNICATION EQUIPMENT: CAMERAS, VCRS, CAMCORDERS
Ricoh（理光微电子） R1240Nxxxx-TR-FE化学物质成分检测证书
2017年09月27日 - 测试报告 本证书确认了产品R1240Nxxxx-TR-FE的化学成分，包括砷、钛、钨、铝、硅、硼、铜、磷、聚苯并恶唑等物质，并符合RoHS指令[2011/65/EU]。证书还列出了各成分的含量和浓度，以及是否符合SVHC（高度关注物质）标准。
RICOH - 电源芯片,R1240N001A,R1240N,R1240N001B,工业电子,消费电子,汽车电子,通信设备
R1242S系列标记规格
2021/12/9 - 封装信息/封装结构图 本资料为R1242S系列元器件的标记规格说明，包括HSOP-8E封装的产品代码和批号信息。资料详细列出了产品代码与产品代码之间的对应关系，以及如何通过产品代码识别不同的产品版本。
RICOH - R1242S001G,R1242S001H,R1242S,R1242S001A,R1242S001B,R1242S001C,R1242S001D,R1242S001E,R1242S SERIES,R1242S001F
DC一DC芯片推荐：输入max：36V，输出5V/1A，有什么高性价比的型号？
2017-12-11 - 技术问答 推荐我司代理的理光的R1243x，该物料支持30V输入，5V输出，最大电流为2A，反馈电压为0.5V。
Ricoh（理光微电子）CMOS模拟电路产品选型指南
COMPANY PROFILE Special Application Product introduction Power Management ICs Battery Management ICs Power Management ICs/Battery Management Ics Package Information Operational Amplifiers & Comparators Mixed Signal ICs / Digital ICs CMOS analog devices Product model number Index CMOS analog devices Non-Promotion/ Limited/ Discontinued Products
210331 - 选型指南 RICOH - CMOS ANALOG DEVICES,OVP开关IC,VOLTAGE DETECTORS (RESET ICS),MIDDLE VOLTAGE STEP-DOWN DC/DC SWITCHING REGULATORS,升压DC/DC开关稳压器,DC/DC SWITCHING REGULATORS,VOLTAGE TRACKER IC,电池线路开关IC,4-WIRE SERIAL INTERFACE,EXTERNAL POWER SWITCH IC,RECTIFIER SWITCH IC,36多芯锂离子电池保护IC,PFC DRIVER CONTROLLER,WDT,STEP-UP DC/DC SWITCHING REGULATORS,USB开关IC,LED驱动器控制器,CONSTANT-CURRENT LED DRIVER CONTROLLER,电压跟踪器,数字集成电路库,STEP-UP DCDC CONVERTER,LI-ION BATTERY PROTECTION ICS,电池管理集成电路,I²C BUS,RTC,混合信号集成电路,REAL TIME CLOCKS,高压降压直流/直流开关稳压器,USB POWER DELIVERY CONTROLLER ICS,LOW VOLTAGE STEP-DOWN DC/DC SWITCHING REGULATORS,降压DC/DC开关稳压器,POWER MANAGEMENT MULTI-CHANNEL ICS,LI-ION BATTERY SECOND PROTECTION ICS,37LI-ION BATTERY SECOND PROTECTION ICS,电源管理集成电路,BATTERY LINE SWITCH IC,看门狗定时器,低压降压直流/直流开关稳压器,ENVIRONMENT SENSING BOARD,升压DCDC转换器,RESET IC,LI-ION BATTERY PROTECTION ICS,RESET TIMER ICS,POWER MANAGEMENT MULTI-CHANNEL ICS,HIGH VOLTAGE STEP-DOWN DC/DC SWITCHING REGULATORS,3-WIRE SERIAL INTERFACE,电压检测器（复位IC）,OPERATIONAL AMPLIFIERS,多通道集成电路,USB供电控制器IC（USB PD控制器IC）,DC/DC开关调节器,RESET TIMER ICS,复位定时器IC,PFC驱动器控制器,1-CELL LI-ION BATTERY PROTECTION ICS,锂离子电池保护IC,BATTERY MANAGEMENT ICS,USB POWER DELIVERY CONTROLLER IC,负载开关IC,36MULTI-CELL LI-ION BATTERY PROTECTION ICS,HIGH-PRECISION REAL TIME CLOCK MODULE,COMPARATORS,LOAD SWITCH IC,LD DRIVER ICS,LED DRIVER CONTROLLER,LED DRIVER CONTROLLER ICS,MULTI-CHANNEL IC,POWER MANAGEMENT ICS,USB PD CONTROLLER IC,外部电源开关IC,BATTERY MANAGEMENT ICS,MICROCONTROLLER,MULTI POWER SUPPLY,2芯锂离子电池保护IC,VOLTAGE DETECTORS,SWITCH ICS,NEGATIVE VOLTAGE LDO,LDO LINEAR REGULATORS,开关IC,VOLTAGE TRACKER,STEP-DOWN DC/DC SWITCHING REGULATORS,实时时钟,USB SWITCH IC,LD DRIVER ICS,SWITCH IC,37锂离子电池二次保护IC,负电压LDO,POWER MANAGEMENT ICS,模拟前端IC,ANALOG FRONT END,整流开关IC,LD驱动器IC,USB POWER DELIVERY CONTROLLER IC (USB PD CONTROLLER IC),REAL TIME CLOCK (RTC),REAL TIME CLOCK,INTELLIGENT POWER SWITCH IC,SWITCH ICS,DIGITAL ICS,1芯锂离子电池保护IC,ANALOG FRONT-END ICS,RESET ICS,LDO,MIXED SIGNAL ICS,2-CELL LI-ION BATTERY PROTECTION ICS,LI-ION BATTERY PROTECTION PRODUCT,WATCHDOG TIMERS,DIGITAL ICS,OVP SWITCH IC,ANALOG FRONT-END ICS,SPI BUS,RESET ICS,MIXED SIGNAL ICS,线性稳压器,2-WIRE SERIAL INTERFACE,智能电源开关IC,中压降压DC/DC开关稳压器,R3121 NXXXE-Y,R2221X,R5406K,R3134,R3133,R2045,RP201X,R1155X,R3116X,R1191,R5550,R1190,RP117X,R3132,R2043,R3130,R5114SXX1X-Y,R5114LXX2X-Y,R2223L,R1240X,R5429K,R1204XXXXG,R2223T,R1204XXXXH,R5429N,RS5C316A,RS5C316B,RP200X,R5326,R5405N,RP116Z,RP201Z,RP115X,R5324,R3119XXXXA-Y,R5560,R1154X,R3117X,R1287X,RP600K1XXD,R2051,RM590L,R1204XXXXC,R1204XXXXD,R1204XXXXE,R1204XXXXF,R5538D,R5429D,R1204XXXXA,R1204XXXXB,R2025X,R5110XXX2C,R5110XXX2D,RN5T5612 SERIES,R5404K,RP114X,R1111N,RP200Z,R1244N,R3150,RP201Q,R2061,R3121NXXXA,R3121NXXXG,R3154,RP201N,R3115Z,R3114X,R3121NXXXE,R3152,R2062,RP201K,R2221L,R1514X-Y,RS5C338A,R2221T,R5403K,R5106,R5107,R5108,R5109,R1110N,R3121NXXXA-Y,R3160,RP200Q,R3200L064A,R5101,R5535V,R1242S,RP200N,RP200K,RP115L,R1277L-Y,R2023X,R5511D,R5511H,R1155,R5426N,R5114SXX2X,R2000,R1154,R1286K,R5511N,R5534V,R3112X,R5449Z,R2025D,R1150,RP510L,R5110LXX2C,R5110LXX2D,R5426D,R2025S,R5528,R1205X8XXB,R5510H,R1205X8XXC,R5524,R1152N,R5401K,R1513S-Y,R5425N,R5114SXX1X,R5527,R1285L,R5520,R5401N,R5523,R1260S,R5533V,R5448Z,R1163,R1160,R1151N,R1161,RP506L-Y,R1561X-Y,R3119,R5400D,R1131N,R3114,R2025,R3112,R3111,R5538,R2023,R3118,R3117,R3116,R5533,R1170,RP122ZXX3,R1173,R5532V,RN5RYXX1,R2262,R1171,R1172,R5315B,R2023L,R3113D,R5314D,R1130D,R2023T,RN5T618,R2033,3150NXXXA,R5542,3150NXXXB,R5641L,R5543,RP202X,R1130H,R1180,R5540,R5541,R3121,RP118X,R5446Z,R5531V,TK111,TK112,R3111X,TK113,R5106N-Y,R1275S-Y,RP512X,RP600,RN5U700,R5116L-Y,RP601,R1200X,RP602,RP604,RN5T614,RP605,R1204KXXXD,R5550KXXXA,R3152NXXXB-Y,R1801,R1800,LP2985,RP511X,R1213K001A,LP2980,R1213K001B,RP402X,R1201N,R1225N,R1201L,R1200Z,R1115Z,R1114X,RN5VD,R3500SXXXA-Y,R1810,R1204K,R1204NXXXA,R3200X002X,R1204NXXXD,RP401X,R3112QXX2,R1202X,RM590,R1203L,NJU77550,R1118N,R1118K,R3200X001X,R1204KXXXA,R5471 SERIES,R2051S01,NJU77552,R1203N,RP400X,R1116X,R5115SXX1X,RC5T619X,RN5U70,R5117,R5114,R5115,R5116,RP602X,R5115SXX2X,R5110,R5111,R5112,R3154 SERIES,R5590,RP517X,R5111SXX1B-Y,R5409K,R5524X001-Y,R3116X-Y,R1221N,RV5C348B,RX5RZ,RV5C348A,R1112N,RX5RW,RP601Z,R1243X,RP516X,RX5RL,R5540K004,R2223X,R5112S-Y,R5540K002,R5408K,R5408L,R5602L,RN5RG,RN5RF,R1200N,R1224N,R1200L,R1200K,RP515X,R5601T,R3118X,RN5RK,R5117 SERIES,R3160 SERIES,R5408D,RN5RT,R3121NXXXG-Y,R5407K,R5407N,R5601L,R1223N,R540XX,R1524X-Y,RP539Z,R1113Z,R1245X,RP514X,R1273L-Y,R5486K,R5462K,RP510L-Y,RP103QXX2,R5220K,R5220D,RS5C372A,RP200,R5460X,RS5C372B,RP201,RP202,P600K,R2061L,R1500H,R2061S,R1500J,R5461K,RP605X,R3117X-Y,R130X-Y,R5111LXX2D-Y,R3160NXXXB-Y,R5115 SERIES,RP604X,R1501X,RP123XXX1,R3150NXXXE-Y,R1150HXXXC,R1150HXXXD,R1150HXXXA,R1150HXXXB,R1526S,R1206N071B,R1525X,R1278S-Y,RP519Z,R1524X,R5111SXX2D-Y,R5590X,R1218N,R1218K,RP402,R5590N,RP400,RP401,R5524X002B,R5524X002A,R3152NXXXA,R1276S-Y,R3152NXXXB,R5590D,R5111XXX2D-Y,R5480K,R5528Z001A,RX5C338A,R1304L-Y,R1282D,R2262T,R1232,R5640G,RN5C752,R3134K,R2043X,R3134N,R5441 SERIES,R3133Q,R2045D,R5107G-Y,R5445Z,R1526S-Y,R3132X,R1810X,RP120Z,R2045S,R3111E,R1243,R5601,R1244,R5602,R1242,R5312L,R1245,R5421N,R2262X,R1560 SERIES,R1171S,R3134Q,R1240,R1170X,R5524X001A,R5524X001B,RP122NXX1,R5617,R1517X-Y,R5612,R5115X,R5613,R5614,R5615,R5610,R5116S,R5611,R5117S,R3131N,R5117L,R5116S-Y,R5442X,R2043L,R5443Z,RN5RYXX202,R1283Z,R1173X,R3150NXXXA-Y,R2043T,RP171N-Y,R3133D,R5114X,R3201,R1283K,R3200,R1150H,R5310L,R5116L,R1260,R2262L,R1172X,R1203N071B,R1540X-Y,RP124X,R5466K,R3154N,RN5C713,RP100X,RN5C711,RN5C716,R3152 SERIES,R1191X,R5441Z,R1207,R1208,R1580N-Y,R1205,R1206,R1200,R1203,R1204,RP123X,R5550K,R1202,NJU77806,R3130N,R1190X,R1218,R2062L,R1171J,R1210,R2061X,R1211,RP122XXX1,R5112S,R5464K,R1214,R1215,RP122X,R1280D,R1212,R1213,R5109G-Y,R1700V,RS5C372X,R5487L,R1225,R5463K,R1223,R1224,RP123NXX1,R1207N8X3C,R1230D,R1207N8X3B,R5527K,R1278S,R5436,R5612L,R5437,RP104X,R5438,RIOT-001,R1121N,R5439,R5432,R5433,R5434,R5435,R1580N,RP106N,R3201L003,R3201L002,NJU7076,NJU7077,R3201L004,R5611L,R1120N,RP103X,R5448,R3201L001,R5449,RP111X-Y,R5443,R5445,R5446,RN5T566,RN5T567,R1272S-Y,R5441,RP105Q,R5442,R5524X,R2000 SERIES,R1276S,RN5T568,RP170X-Y,R1232D,RP102X,R5458,R5459,R5610L,RP600K2XXC,RP104Q,R3200L053B,RP901,RP904,R3L60N,R5439K,R5524K,R3150NXXXE,R3150NXXXF,R1122N,R5524N,R3200L052B,R5466,RP101X,R5461,R5220,R5462,R5463,R5464,R3150NXXXA,R3150NXXXB,R5460,R5438L,R1276,R1277,R5523N,R1275,RP520X,R1278,RP600K0XXA,RP600K0XXB,R1272,R1273,R1140Q,R5522V,R1270,RP109X,R1271,R1163X,R5328K,R1560X-Y,R5437L,RS5C348A,R1287,R1273L,R1286,R5641,R5436T,R1280,R1272S,R5640,R5115LXX2X,R1283,R5521V,R5435X,R1282,R1271X,RP550L-Y,RP108J,R1260S-Y,R2033X,3121NXXXA,RP300X,R1290,R5650,R5651,R1294,RP107X,R1275S,R1525 SERIES,R5326Z,R1293,R5109G,R5H5SXX2X-Y,R540X,R5326K,R5459L,R5520H,R5326N,RP105X,RS5C313,RP106X,R1141Q,3121NXXXG,R5114SXX2X-Y,R5108G,R1561 SERIES,RP107N,R1250V,R5112SXXXD,RC5T619,RP500X,R5115LXX2X-Y,R5112SXXXB,RP502L,R1213K,RP500Z,R1211X,RP501K,NJU7026,NJU7027,R3500S,R3500SXXXA,R5617Z,RP501,R5116 SERIES,RP503,RP504,RP505,RP506,RP507,RP508,RP500L,RP500K,RP500N,RP500,R1700,R5617L,R1214Z,R1215D,R1202LXXXD,R1540X,NJU7046,NJU77240,NJU7047,NJU77000,NJU77242,R,PORTABLE COMMUNICATION EQUIPMENT,音频播放器,PNDS,交流适配器,清洁剂,PC CARD READER WRITER,USB充电器,CCDS,DESK LAMP,电子仪表,DSVCS,DIGITAL TVS,便携式通信设备,头盔显示器,OLED,EXPRESS CARD SLOT,电荷耦合器件,PC PERIPHERALS,数码摄像机,IOT APPLICATION,DIGITAL CAMERA,打印机,PC外设,风扇,EXPRESS卡插槽,PC卡读写器,微型投影機,PICO PROJECTOR,USB硬盘,STBS,POS,AC ADAPTERS,PC CARD BUS SLOT,多功能处理器,升压电源,机顶盒,USB CHARGERS,二次电池供电设备,AUDIO PLAYER,INDUSTRIAL,LCDS,无线充,USB HDD,个人计算机,SMART SPEAKER,OLEDS,NOTEBOOK PCS,SMARTPHONES,智能 音箱,OA,智能手机,MFPS,液晶显示器,数字电视,SMART PROJECTOR,ELECTRONIC INSTRUMENT,HMD,STEP-UP POWER SUPPLY,工业,CLEANER,ENERGY HARVESTING APPLICATION,PCS,TABLET PCS,WIRELESS CHARGER,SECONDARY BATTERY-POWERED EQUIPMENT,平板电脑,PRINTERS,FAN,台灯,笔记本电脑,PC卡总线插槽,智能投影仪,DSCS
【方案】车载DVR优选元器件方案
优选器件方案 本方案介绍了瑞萨RL78\F13系列集成1路CAN。器件通过AEC-Q100车规级认证的MCU，使得系统运行更安全可靠。
RICOH,RENESAS,ROHM,LITTELFUSE,KYOCERA,TE CONNECTIVITY,ALLIANCE,中科微 - FUSE,重力传感器,TVS阵列,SKYOCERAOC,单片机,保险丝,DC-DC,TVS,G-SENSOR,定位模块,晶振,LDO,天眼,温度传感器,MCU,DDR3,TP1.5KE,RCAR-E2,CX3225GA,TPSMA6L,SM24-02HTG/SPHV_C,SLD,AS4C256M8D3A\LA,ATGM336H-5N31,AS4C128M16D3A\LA,TPSMF4L,TP6KE,SLD8S,KX123-6000,SM24CANB-02HTG,TP5KP,TPSMC,TPSMB,TPSMD,R5F10BBGKNA,0287010.PXC,R1245X,TSYS02D,RL78/F13,R1524H033B,SM24CANA-02HTG,车载DVR,DVR,数字录像机
电子商城
现货市场
授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
我要提问
登录 | 立即注册
提交评论