The CH443K is an analog Switches, Multiplexer made by WCH (Nanjing Qinheng Microelectronics) in a SC-70-6(SOT-363) package with 6 pins. -40℃~+85℃ 1 2:1 2ns 3ns 4V~5.5V 550MHz 5Ω 9pF SC-70-6(SOT-363) Analog Switches, Multiplexers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH443K, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-363_SC-70-6, from KiCad's library), ready for a KiCad board. 28,052 are in stock at JLCPCB (part C125185). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | CH1 | Unspecified |
| 2 | GND | Unspecified |
| 3 | CH0 | Unspecified |
| 4 | COM | Unspecified |
| 5 | VCC | Unspecified |
| 6 | SEL | Unspecified |
ZhuYanzhen1/MM32_CLion
本项目是全国大学生智能车竞赛GDUT 2022年极速越野组的项目文件。采用了LQR控制器和多速率卡尔曼融合算法，并在单片机上实现。This project is the project document for the GDUT 2022 Extreme Off-Road Category of the National Student Intelligent Vehicle Competition.
ovo-Tim/phone-hub
A USBC hub for your phone and computers. It aims to help you customize your phone and computers by allowing you to connect to any I2C, SPI, and UART devices.
<iframe src="https://pcbkit.io/embed/parts/wch/CH443K" title="CH443K in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/wch/CH443K.jpg" alt="CH443K" width="1200" height="900">[](https://pcbkit.io/parts/wch/CH443K)Yes. The symbol is EasyEDA_Cloud:CH443K and the footprint Package_TO_SOT_SMD:SOT-363_SC-70-6, both drawn on this page. PCBKit places them on a board for you when you design with it.
SC-70-6(SOT-363), with 6 pins. Its footprint is drawn on this page.
WCH (Nanjing Qinheng Microelectronics) publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C125185, with 28,052 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the BL1551B by BL, the WAS3157B-6/TR by WILLSEMI, the UMW3157 by UMW and the TS5A63157DCK by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
