for title, ## for sections)

5. Avoid horizontal rules and concluding statements

6. Use pure HTML <table> syntax for all tables

7. Follow the exact output structure:

   • Page Title
   • Part Overview
   • Key Parameters
   • Substitute Part Grouping Explanation
   • Parameter Comparison
   • Engineering Selection Recommendations
   • Frequently Asked Questions (FAQ)

8. Ensure SEO-friendly content with full part numbers and category keywords

9. Make it ready to paste directly into a web Markdown editor

Based on your input, I see the main part is 3AC12V-S (Bivar Inc., Amber LED, T-1 3mm, 12V, Obsolete) with no substitute parts listed ("Similar null").

Please confirm you're ready for me to generate the page, or provide any additional substitute parts if they should be included.