4 layers59 × 20 mm
CH397A
WCH (Nanjing Qinheng Microelectronics)Extended
-40℃~+85℃ 100Mbps 3.3V、5V 400uA 80mA USB 2.0、USB 2.1 USB to Ethernet QFN-24(4x4) USB Converters ROHS
- Part id
- wch/CH397A
- Category
- USB Converters
- Package
- QFN-24(4x4)
- Pins
- 25
- In stock
- 9,645 at JLCPCB (C7465328)
- Used on
- 1 open-source board
Overview
The CH397A is a USB Converter made by WCH (Nanjing Qinheng Microelectronics) in a QFN-24(4x4) package with 25 pins. -40℃~+85℃ 100Mbps 3.3V、5V 400uA 80mA USB 2.0、USB 2.1 USB to Ethernet QFN-24(4x4) USB Converters ROHS.
PCBKit's library has its footprint (EasyEDA_Cloud:QFN-24_L4.0-W4.0-P0.50-BL-EP2.8, from EasyEDA), ready for a KiCad board. 9,645 are in stock at JLCPCB (part C7465328). 1 open-source board in 1 repository on GitHub use it.
Symbol
The library has no symbol for this part yet.
Footprint
Open-source boards using it
1Parts like it
3
USB3311-CP-TR
QFN-24-EP(4x4)-40℃~+85℃ 1.6V~3.6V Transceiver QFN-24-EP(4x4) USB Converters ROHSMicrochip TechnologyUSB ConvertersUSB3311C-CP-TR
QFN-24-EP(4x4)-40℃~+85℃ 1.6V~3.6V Transceiver QFN-24-EP(4x4) USB Converters ROHSMicrochip TechnologyUSB ConvertersUSB3316C-CP-TR
QFN-24-EP(4x4)-40℃~+85℃ 1.62V~1.98V Transceiver QFN-24-EP(4x4) USB Converters ROHSMicrochip TechnologyUSB Converters
Questions
Is there a KiCad symbol and footprint for the CH397A?
Yes. the footprint EasyEDA_Cloud:QFN-24_L4.0-W4.0-P0.50-BL-EP2.8, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CH397A?
QFN-24(4x4), with 25 pins. Its footprint is drawn on this page.
Where is the CH397A datasheet?
WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.
Where can I order the CH397A?
JLCPCB lists it as part C7465328, with 9,645 in stock; the sellers' links on this page open their listings.
What can replace the CH397A?
Parts like it in the library: the USB3311-CP-TR by Microchip Technology, the USB3311C-CP-TR by Microchip Technology and the USB3316C-CP-TR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the CH397A?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.