PIN-TO-PIN ALTERNATIVE
CH32F103C8T6 is a Chinese-manufactured pin-to-pin drop-in replacement for STM32F103C8T6 (STMicroelectronics).
USB-focused alternative: the cleanest USB firmware story among the domestic Cortex-M3 options.
CH32F103C8T6 — Alternative to STM32F103C8T6
CH32F103C8T6 from WCH 南京沁恒 is supplied by JTDZ Tech (Shenzhen Jingteng Electronics) as a cost-effective, short-lead-time alternative to the imported STM32F103C8T6 (STMicroelectronics). Chinese-sourced semiconductors have moved well beyond "cheap substitute" status: the parts below are production-validated in industrial, automotive and consumer designs, and they remove both the allocation risk and the long lead times that come with imported.
Cross-Reference: STM32F103C8T6 vs CH32F103C8T6
| imported | This part (Chinese alternative) | |
|---|---|---|
| Part number | STM32F103C8T6 | CH32F103C8T6 |
| Manufacturer | STMicroelectronics | WCH 南京沁恒 |
| Package | LQFP-48 | LQFP-48 |
| Pin Count | 48 | |
| Compatibility | — | Pin-to-Pin drop-in replacement |
| Supply & lead time | Frequently allocated, long lead times | Domestic stock, short lead time |
| Description | Microcontrollers/MCUs, ARM Cortex-M3, 2.0 V - 3.6 V, LQFP-48 package. |
Key Specifications
| Core | ARM Cortex-M3 |
| Flash | 64 KB |
| SRAM | 20 KB |
| USB | USB 2.0 full-speed device with a dedicated device library |
| Supply | 2.0 V - 3.6 V |
| Temperature | -40 C to +85 C |
| Package | LQFP-48, pin-to-pin footprint |
What to check before substituting CH32F103C8T6 for STM32F103C8T6
- The register map and some peripherals differ from STM32, so budget time for driver verification.
- Its strength is USB: manufacturer download tooling plus a dedicated device library makes firmware updates and PC-connected designs easier.
- A strong choice whenever your board talks to a PC over USB.
Typical Applications
- USB-connected instruments and dongles
- Data acquisition over USB
- Consumer peripherals
- Rapid prototyping with USB download
Looking for the part?
We also stock the imported — compare both before you decide: STM32F103C8T6.
Why buy CH32F103C8T6 from JTDZ Tech
- and new parts from WCH 南京沁恒, with traceable date codes
- MOQ 1 pc, tier pricing for volume and BOM kitting
- Cross-reference and substitution support: send us your BOM and we will confirm pin-to-pin compatibility before you commit
- X-ray, visual inspection and third-party lab testing supported on request
- Quote within 2 business hours; export shipping to India, Vietnam, the Middle East and worldwide
Need CH32F103C8T6, or still prefer the STM32F103C8T6? Send us your part list and target quantity — we will come back with pricing, stock and a compatibility confirmation within 2 business hours. Prices vary with quantity and market conditions, so the listed price is for reference only.
Genuine original parts guaranteed — traceable lot & date code, X-ray / visual inspection and third-party test supported before shipment.
CH32F103C8T6-STM32F103C8T6-ALTERNATIVE-WCH-IN-STOCK — WCH Pin To Pin Drop In for STM32F103C8T6
The CH32F103C8T6-STM32F103C8T6-ALTERNATIVE-WCH-IN-STOCK is listed by Jingteng Electronics as a WCH microcontroller in the Microcontrollers (MCUs) category. We supply it as a genuine, original part sourced through verified channels, suitable for buyers who need reliable, fast-turn component sourcing.
Typical Applications
As a microcontroller, this component is commonly designed into equipment that relies on Microcontrollers (MCUs). Microcontrollers embed a CPU, flash and peripherals on a single chip to run firmware. They are used in motor control, sensor hubs, IoT nodes, industrial automation, medical devices and consumer appliances where a small, low-power programmable brain is required.
Authenticity & Sourcing
Jingteng supplies WCH CH32F103C8T6-STM32F103C8T6-ALTERNATIVE-WCH-IN-STOCK as genuine and original stock. WCH is a third-party trademark referenced here only to identify the component; Jingteng is an independent distributor and does not act as an agent of the component manufacturer.
Request a Quote for CH32F103C8T6-STM32F103C8T6-ALTERNATIVE-WCH-IN-STOCK
Need pricing or availability for CH32F103C8T6-STM32F103C8T6-ALTERNATIVE-WCH-IN-STOCK? Send the part number and your target quantity and our team replies within 2 business hours with a quote.
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