Hello!
Please help find an alternative for DYSF-12V-P1
Hello @roman1 ! It looks to me like our best option is going to be part number 2449-J120D1AS12VDC-ND, though to be frank I did not see anything that looked like an exact match or drop-in replacement.
From what I could find this relay should be a suitable alternate based on the electrical specifications, but you may have trouble with the footprint and the size of the terminals if you needed the exact same form factor.
ADDED NOTE:
I was not able to find a complete set of specs for the original part number, but I did at least find a consistent current rating and coil voltage across several third party listings from various sellers:
Contact Ratings: 16A, 250VAC
Coil Voltage: 12VDC
Manufacturer: Everbest
The above ratings were the main basis for my recommendation, for future reference.