Dead SD card, even unreadable to TestDisk or ddrescue

Code:Unable to open file or device /dev/sdb: No medium found
hd-scania:[hd_scania]:~$ sudo gdisk -l /dev/sdb
GPT fdisk (gdisk) version 1.0.5

Problem opening /dev/sdb for reading! Error is 123.
hd-scania:[hd_scania]:~$ sudo testdisk /dev/sdb
TestDisk 7.1, Data Recovery Utility, July 2019
Christophe GRENIER <grenier@cgsecurity.org>
https://www.cgsecurity.org

Unable to open file or device /dev/sdb: No medium found
hd-scania:[hd_scania]:~$ sudo ddrescue /dev/sdb /home/data/dd.img
ddrescue: Can't open input file: No medium found
hd-scania:[hd_scania]:~$