


Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Interface/Ethernet Controllers | |
| Manufacturer | WCH(Jiangsu Qin Heng) | |
| Package | LQFP-64M(10x10) | |
| Voltage - Supply | 1.8V、2.5V、3.3V | |
| Features | Power-on reset、Programmable LED indication | |
| Integrated PHY | Yes | |
| Ethernet Speed Standards | 10BASE-T、100BASE-TX |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
CH9121A technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Interface/Ethernet Controllers | |
| Manufacturer | WCH(Jiangsu Qin Heng) | |
| Package | LQFP-64M(10x10) | |
| Voltage - Supply | 1.8V、2.5V、3.3V | |
| Features | Power-on reset、Programmable LED indication | |
| Integrated PHY | Yes | |
| Ethernet Speed Standards | 10BASE-T、100BASE-TX |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the CH9121A. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

The CH9121A schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.