{"product_id":"10pcs-wch-microcontroller-usb-ic-chips-ch32v003-ch340-ch343-ch395","title":"10pcs WCH IC Chips – CH32V003 CH340 CH343 CH395 Microcontrollers","description":"\n\u003ch2\u003e10-Pack WCH Microcontroller \u0026amp; USB Bridge ICs — CH32V003, CH340, CH343, CH334, CH395 Series\u003c\/h2\u003e\n\u003cp\u003eStock up on essential WCH integrated circuits with this convenient 10-piece pack. Whether you're prototyping a new embedded system, repairing a USB interface board, or building out a production run, this assortment covers the most popular WCH MCU and USB-serial bridge chips in one order. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eChips Available in This Listing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH32V003F4U6\u003c\/strong\u003e — RISC-V general-purpose microcontroller, QFN-20 package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH32V003F4P6\u003c\/strong\u003e — RISC-V general-purpose microcontroller, SOP-16 package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH32X035F8U6\u003c\/strong\u003e — RISC-V MCU with USB PD support, QFN-20 package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH334P\u003c\/strong\u003e — USB 2.0 Hi-Speed 4-port hub controller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH334R\u003c\/strong\u003e — USB 2.0 Hi-Speed 4-port hub controller (alternate package)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH340C\u003c\/strong\u003e — USB-to-serial UART bridge with built-in crystal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH340E\u003c\/strong\u003e — Ultra-compact USB-to-serial UART bridge, MSOP-10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH340T\u003c\/strong\u003e — USB-to-serial\/IrDA bridge, SSOP-20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH343P\u003c\/strong\u003e — USB high-speed serial UART bridge, up to 6 Mbps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH343K\u003c\/strong\u003e — USB high-speed serial UART bridge, QFN package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCH395Q\u003c\/strong\u003e — SPI\/UART Ethernet controller with TCP\/IP stack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This IC Assortment?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e WCH chips are widely supported by open-source toolchains, Arduino-compatible frameworks, and standard OS drivers (Windows, Linux, macOS).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCost-Effective Bulk Pricing:\u003c\/strong\u003e Buy 10 pieces at once and reduce per-unit cost — ideal for makers, engineers, and small-batch manufacturers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine WCH Silicon:\u003c\/strong\u003e Authentic components with standard operating parameters for reliable performance in your designs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneral-Purpose Use:\u003c\/strong\u003e Suitable for USB communication, IoT edge nodes, USB hub designs, and Ethernet-connected embedded projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Operation:\u003c\/strong\u003e All chips operate below 50 Vac \/ 75 Vdc, compliant with EU LVD requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUSB-to-serial adapters and programmer dongles\u003c\/li\u003e\n  \u003cli\u003eRISC-V embedded development boards\u003c\/li\u003e\n  \u003cli\u003eUSB hub expansion hardware\u003c\/li\u003e\n  \u003cli\u003eEthernet-enabled IoT modules using CH395Q\u003c\/li\u003e\n  \u003cli\u003eDIY electronics prototyping and repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eQuantity per Pack\u003c\/td\u003e\n\u003ctd\u003e10 pieces (select your model)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eWCH (Nanjing Qinheng Microelectronics)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003eBelow 50 Vac \/ 75 Vdc (EU LVD compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eHigh-Concern Chemicals\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCustomization\u003c\/td\u003e\n\u003ctd\u003eAvailable — contact us for custom quantities or mixed packs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between CH340C, CH340E, and CH340T USB-to-serial bridge chips?\u003c\/h4\u003e\n\u003cp\u003eA: All three are USB-to-serial UART bridge ICs from WCH, but they differ in package and features. The CH340C (SOP-16) includes a built-in crystal oscillator, eliminating the need for an external crystal. The CH340E (MSOP-10) is the most compact option, ideal for space-constrained PCB designs. The CH340T (SSOP-20) adds IrDA infrared serial support in addition to standard UART, making it suited for legacy IR communication projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Are the CH32V003 microcontrollers compatible with Arduino or open-source toolchains?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The CH32V003 series is based on the RISC-V architecture and is supported by the MounRiver Studio IDE as well as community-developed Arduino cores. You can program them using a WCH-LinkE debugger\/programmer, making them an accessible and affordable alternative for embedded development projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I order a mixed pack of different chip models?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this listing offers multiple model options so you can select the specific chip you need in a 10-piece quantity. If you require a customized mixed assortment of different models in one order, please contact us directly and we will be happy to assist.\u003c\/p\u003e\n\u003ch4\u003eQ: What operating system drivers are available for CH340 and CH343 chips?\u003c\/h4\u003e\n\u003cp\u003eA: WCH provides official drivers for Windows, Linux, and macOS on their website. On Linux, the CH340 series is often supported natively by the kernel without any additional driver installation, making these chips a popular choice for cross-platform USB serial designs.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between CH340C, CH340E, and CH340T USB-to-serial bridge chips?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"All three are USB-to-serial UART bridge ICs from WCH, but they differ in package and features. The CH340C (SOP-16) includes a built-in crystal oscillator, eliminating the need for an external crystal. The CH340E (MSOP-10) is the most compact option, ideal for space-constrained PCB designs. The CH340T (SSOP-20) adds IrDA infrared serial support in addition to standard UART, making it suited for legacy IR communication projects.\"}}, {\"@type\": \"Question\", \"name\": \"Are the CH32V003 microcontrollers compatible with Arduino or open-source toolchains?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The CH32V003 series is based on the RISC-V architecture and is supported by the MounRiver Studio IDE as well as community-developed Arduino cores. You can program them using a WCH-LinkE debugger\/programmer, making them an accessible and affordable alternative for embedded development projects.\"}}, {\"@type\": \"Question\", \"name\": \"Can I order a mixed pack of different chip models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — this listing offers multiple model options so you can select the specific chip you need in a 10-piece quantity. 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