That was a special Olympics thing (that they then sold a bunch that they had left over), the chip shortage is now over so you can buy a regular one like before with the flat ¥500 deposit.Although they have massively jewed up in recent years with how suica pass for visiting foreigners works (used to be a redeemable funds card, now it's a single-spend credit so if you only used 50% of the funds on your pass, you just lost that money)