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IC substitutes differ in parameters despite same part number

Substituting a same-number IC from another maker can change key parameters, and manual datasheet checks miss the differences.

Tier II · Emerging Problems that are still building up.

3 public reports · first reported 9 October 2026 · last reported 9 October 2026

Idea report · $9 · No contacts · All sales final

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What's going wrong

Hardware designers replacing a part during a shortage find that the same part number from another maker can differ in key parameters such as gate capacitance, pin order, or thermal pad details.

AI-assisted: written with the help of AI from the reports. The idea report has the full summary.

In the idea report

  • The full summary.
  • The products the 3 reports are about, and how many came each month.
  • Related problems.

No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.