CH340C is a WCH CH340C USB-to-serial UART bridge in 16-pin SOP — USB 2.0 full-speed device, hardware full-duplex UART from 50 bps to 2 Mbps, with built-in crystal (no external crystal needed), -20 to +70 °C. The SOP-16 package with full modem signals is the selection point: RTS, DTR, DCD, RI, DSR and CTS for hardware flow control, unlike the smaller MSOP-10 CH340E which exposes fewer signals. Selection advice: choose CH340C over CH340G when you want to drop the 12 MHz crystal and its capacitors from the BOM — same SOP-16 footprint, fewer parts. Software-compatible with CH340G/CH341 drivers, and the 5 V / 3.3 V supply support suits both logic levels. Ideal for development boards, MCU programming interfaces and legacy serial upgrades. Evidence: WCH CH340 datasheet and distributor listings confirm built-in crystal, 50 bps-2 Mbps, SOP-16 and USB 2.0 full speed. Match the full CH340C code. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.
CH340C is a USB-to-serial bridge from WCH, orderable in the SOP-16 package. The ordering code fixes the exact configuration you receive — package, grade and packing — so procurement starts with matching this code character-for-character against your BOM, not just the base series name.
When you request a quote, include the full ordering code, the target packing format (reel, tube, tray or cut tape), your quantity and any date-code or lot requirements. We reconfirm manufacturer, suffix, package, date code and traceability against the actual offered lot before any commercial quote is issued, and every RFQ gets a reply within 24 hours.
Exact MPN, manufacturer and suffix
Supplier type, quantity and freshness
Lot, labels, photos and documents
Price, lead time, payment and shipping
Browse existing catalog records — same series first, then the same category and manufacturer. These are not confirmed replacements; compatibility requires engineering review.
The alternatives pages below list CH340C as a candidate for another part. A listing is a candidate, not an approval — compatibility requires engineering review.
Every suffix in a manufacturer ordering code identifies one exact orderable device — package, temperature grade, packing format or a revision. CH340C names the SOP-16 configuration; a code that differs by even one suffix character may be a different device. Always quote the complete code exactly as it appears on your BOM.
The package (SOP-16) is the physical form of the device itself. Packing describes how the devices are delivered — reel, tube, tray or cut tape. The same ordering code can ship in different packing formats depending on the lot, so confirm the required packing format when you submit your RFQ.
Traceability evidence — lot and date-code information, labels and photos — is confirmed per lot at quotation time, because it depends on the actual lot offered. Tell us which documents your receiving inspection requires when you submit the RFQ, and we will confirm what can be provided for the offered lot.
Add CH340C to your RFQ with the complete ordering code, the manufacturer (WCH), your quantity, the target packing format and any date-code requirements. We reply to every RFQ within 24 hours.