Form
Package, footprint, dimensions and assembly constraints.
ALTERNATIVE COMPONENT REVIEW
Similar is not the same as approved.
Request a structured form-fit-function and commercial review when an original device is unavailable, obsolete or over target cost.
REVIEW FRAMEWORK
Every candidate must survive four questions.
Fit
Pinout, ratings, interfaces and electrical compatibility.
Function
Performance, firmware, qualification and application risk.
Commercial
Lifecycle, availability, MOQ, lead time and cost.