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TL431: Inquiry Regarding Lead Finish, Annealing, and Nickel Underlayer for PCN 20231016003.2 and 20231005000.1

Part Number: TL431


Tool/software:

Dear TI Support Team,

Could you please confirm the following details for the parts mentioned in PCN 20231016003.2 , 20231016002.1 and 20231005000.1?

1. L ead Finish: Could you confirm the lead finish of this part? If it is lead-free tin, can you verify whether it is matte tin?
2. Annealing: If the finish is matte tin, could you confirm whether it is annealed (baked)?
3. Nickel Underlayer: Does this part have a nickel underlayer?
Your assistance in providing these details would be greatly appreciated. Please let me know if you need any additional information from my side.

Thank you for your support.