Bip39 Light Standard Default number of iterations used in wallets is 2048. Increasing this range need to ensure it is more secure towards brute power attacks, nonetheless you will need to keep this benefit. To obtain your wallet with custom PBKDF2 it is best to use this script (or equivalent) https://sociallawy.com/story8811253/12-word-seed-phrase-generator-with-balance-reddit-bip39-word-list-secrets