This PSU component is referred to by its specific model name.
This PSU component is referred to by its specific model name.
This component is located inside your PSU, and it features a part number such as LF1 on its side.
EMI filters maybe?
I came across this Amazon link: Amazon.
Then:
CX CY
The specifications could assist in recognizing the exact part.
Could you check the manufacturer and model of the power supply?
I should also note that 1) PSUs aren’t designed for repair and 2) trying to fix them can be risky.