DEL1601 DISCONTINUED

I NEED THE CHEMTRONIC DEL1601 WHAT ITEM CAN BE USED TO REPLACE THEM

The manufacturer is still offering it for sale on their web site.

At the bottom of the Digi-Key page:
https://www.digikey.com/short/zb25tv9r
they recommend:
https://www.digikey.com/short/fv9h8pjn
which seems to be a good choice.