Overview
The CH449F is an analog Switches, Multiplexer made by WCH (Nanjing Qinheng Microelectronics) in a QFN-24(4x4) package with 25 pins. QFN-24(4x4) Analog Switches, Multiplexers 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. 372 are in stock at JLCPCB (part C54973457).
Symbol
The library has no symbol for this part yet.
Footprint
Parameters
5- Bandwidth
- 500MHz
- Con
- 10pF
- Number of Channels
- 32
- Operating Temperature
- -40℃~+85℃
- Ron
- 28Ω@2V
Order codes
1- CH449FLCSC C54973457
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<iframe src="https://pcbkit.io/embed/parts/wch/CH449F" title="CH449F 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/CH449F.jpg" alt="CH449F" width="1200" height="900">[](https://pcbkit.io/parts/wch/CH449F)Questions
Is there a KiCad symbol and footprint for the CH449F?
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 CH449F?
QFN-24(4x4), with 25 pins. Its footprint is drawn on this page.
Where can I order the CH449F?
JLCPCB lists it as part C54973457, with 372 in stock; the sellers' links on this page open their listings.
What can replace the CH449F?
Parts like it in the library: the CH448F by WCH (Nanjing Qinheng Microelectronics). Check their datasheets: a part that fits the footprint may still differ in its ratings.
