Overview
The external welded SIM card socket connector is a specialized component designed for surface-mount technology (SMT) or through-hole PCB assembly. It facilitates secure SIM card integration in devices requiring reliable cellular connectivity, such as smartphones, GPS trackers, and IoT sensors. Unlike spring-loaded connectors, this variant uses soldered contacts for enhanced mechanical stability, making it ideal for high-vibration environments. Its compact design aligns with modern miniaturization trends in electronics.
Structure and Working Principle
The connector comprises a plastic housing with precision-molded slots to hold SIM cards and copper-alloy contacts welded to PCB pads. The contacts establish electrical pathways between the SIM and the device’s circuitry upon insertion. Welding ensures low contact resistance and eliminates issues like oxidation or loosening over time. Some models include shielding to reduce electromagnetic interference (EMI), critical for high-frequency applications.
Key Features
Durability is a standout trait, with welded contacts resisting wear from frequent card swaps. The housing material often meets UL94 V-0 flammability standards for safety. Anti-misinsertion designs prevent incorrect SIM card orientation, while gold-plated contacts enhance conductivity. Temperature tolerance typically ranges from -40°C to +85°C, suitable for industrial use.
Application Areas
Commonly used in mobile handsets, automotive telematics, and M2M (machine-to-machine) devices. Its robustness also suits harsh environments like smart meters or outdoor monitoring systems. In B2B procurement, bulk orders cater to OEMs manufacturing embedded systems, where consistent quality and traceability are paramount.
Maintenance and Precautions
Avoid ultrasonic cleaning, which may damage welded joints. Inspect solder joints for cracks during routine PCB checks. Storage should be in anti-static packaging to prevent electrostatic discharge (ESD) damage. For rework, use low-temperature soldering irons to avoid melting the housing.
B2B Procurement Guide
Specify the SIM card type (e.g., Nano-SIM) and PCB footprint (e.g., 6-pin layout) when ordering. MOQs (Minimum Order Quantities) vary; negotiate pricing for volumes above 10,000 units. Reliable suppliers provide RoHS and REACH compliance certificates. Lead times average 2–4 weeks; expedited options may cost 15–20% more.
Related Manufacturers
- 主营：TYPE-C防水、TYPE-C母座/公头、MICRO母座/公头、自弹式MICROSIM卡座、HDMI母座/公头、MINI母座/公头、MICRO/USB防水、USB3.0/2.0
- 主营：TYPE-C、USB、MICRO、卡座、Lightning、HDMI、RJ45、DisplayPort、开关
- 主营：Type-c连接器、SIM/SD卡座、USB连接器、圆形连接器、POGOPIN连接器
- 主营：滤波器、内存条卡槽、手机通讯卡槽、sim卡座、板下型cf卡座、cfast卡座、XQD卡座、pcmcia外壳、sim手机卡槽、外焊内焊插内存卡、SIM内存手机卡座、电脑连接器记忆卡片、自弹式sim全新卡座、通讯设备SIM卡座、内存手机卡座插座、手机通信储存连接器、掀盖式手机卡座、翻盖式SIM卡座、掀盖式手机sim卡槽、蓝继电器、信号继电器、白色工业继电器、工业控制继电器、小型大功率继电器
- 主营：连接器、板对板连接器、高速连接器、线对板连接器、军工连接器、FPC连接器、背板连接器、申泰连接器、高速线材
- 主营：传感器、电磁阀、保护器、地磅、电动脚手架、装载机电子秤、机械抓手、砌筑升降平台、光伏板升降机、内撑吊具、混凝土振动棒、打标机、研磨机、裁切机、平移门电机、超市防盗门、磨片磨头、滑移机、消防机器人、农业打药机、履带底盘、消防器材
- 主营：tlc274cdr、模块mos、易龙泰、HRS连接器、chip1stop、缓冲器、衰减器、放大器、制pcb板、传感器、国内pcb、多层pcb、25svpf47m、逆变器、样板pcb、泰科源、博思达、稳压器、北高智、蓝伯科、机器人、变压器、控制器、smt贴片、阻抗fpc、整流管
- 主营：继电器、ir中国授权、频率合成器、ad8532ar放大器、ad828arz放大器、ad829jrz放大器、ad818arz放大器、ad8031arz放大器、ad8058arz放大器、ad8532arz放大器、ad8001arz放大器、ad8307arz放大器、ad8651armz放大器、ad8099ardz放大器、ad8534aruz放大器、ad706jr通用运放、op42gsz精密运放、op90gpz通用运放、ad8417brmz放大器、op07csz精密运放、ad712jrz精密运放、hmc326ms8ge放大器、op490gsz通用运放、op162gsz精密运放、ad848jrz通用运放
- 主营：连接器外壳、连接器端子、手机马达外壳、电源弹片
- 主营：勾勾牛角、航空插头、SPE单对以太网连接、工业级连接器、板对板连接器、D-SUB连接器、射频连接器、圆形连接器、重载连接器、USB连接器、FPC连接器、汽车连接器、OBD连接器、印制电路连接器、SD卡连接器、Mini I/O、EMI滤波板、排针排母、电池座、KNX接线端子、SIP插座
- 主营：2.5耳机、usb母座、type-cusb、sim卡座、连接器、外壳铜、手机sim、手机卡座、外壳沉板、hdmictype、母座24p、ut10c30usb、接口hdmi、uf06s30usb、防水开关、手机插座、立式直插、滑动开关、母头沉板、电源插座、全插端子、耳机插座、自锁开关、四脚插座
- 主营：74lvt374d、max917euk、hz3c2do35、74hc4067d、uln2003ap、hin232cbz、max485cpa、fds6961az、adg801brt、74abt541d、mpc89e52ap、tpa751dgnr、phkd6n02lt、upd63200gs、a7800a7841、74abt240db、max2641eut、sn74ls245n、lm5642xmax、max4477asa、nc7st08m5x、sn74ls26dr、sn74ls33dr、a3410a7840、max3241eca
- 主营：保险丝、贴片电阻、保险电阻、sim、贴片合金、陶瓷贴片、贴片压敏、三星电容、电解电容
- 主营：芯片、集成IC、TI、HRS连接器、ST、NXP、ADI、tlc354cpw、b3u-1000p、衰减器、pcb批量、a991-2015、a999-3283、多层板、b140af-13、a999-3530、733910070、放大器、a999-3323、2474r-25l、制pcb板、国内pcb、多层pcb、逆变器
- 主营：连接器
- 主营：DC充电头、TYPE-C、TYPE-A、SD卡座、CF卡座、FPC连接器、HDMI连接器、刀片电池座、针座
- 主营：22-01-3027、2201-3087、3901-4051、43031-0001、2201-3037、0870-0056、VHR-4N、43025-0600、43025-0800、shr-02v-s、phdr-10vs、430251600、sHDR-20V-S-B、03SR-3S、3928-1043、3928-1023、SM03B-SRSS-TB、SM04B-SRSS-TB、BM04B-GHS-TB、0950-3031、105133-0011、3900-0181、51353-0800、51353-1000、51353-1200