Product Yield Engineer at Littelfuse
Littelfuse is a leading global manufacturer of electronic components serving over 100,000 customers across industrial, transportation, and electronics markets. With more than 17,000 employees in 15 countries, we produce billions of components that empower a sustainable, connected, and safer world.
About the role
As a key member of the Product Yield Enhancement Team, you will maximize yield and optimize the performance of our Phase Control Thyristor product lines. You will act as the primary technical expert on device characteristics and work cross‑functionally to understand how process variations impact product performance. Your initiatives will directly contribute to improved product quality, higher yields, and greater cost‑effectiveness.
Responsibilities
* Analyze final test results and electrical characteristics to identify yield detractors and performance gaps.
* Diagnose root causes of yield loss and drive product‑specific yield improvement initiatives.
* Monitor and report on key product performance metrics and yield trends.
* Collaborate with Process Engineers to implement process changes that enhance yield and performance.
* Present data‑driven findings and recommendations to management and cross‑functional teams.
* Lead or support the qualification and release of new product numbers for manufacturing.
* Qualify new process recipes from a device performance and yield perspective, ensuring compliance with product specifications.
* Conduct detailed failure analysis for in‑process die and devices.
* Determine and implement appropriate rework strategies.
* Act as a Subject Matter Expert (SME) to support QA with analysis of customer returns.
* Provide deep product and device expertise to Process Engineers during process optimization.
* Serve as a key technical liaison between design, process, and test teams to ensure manufacturability and high yield.
Qualifications
* HNC/D in Electrical Engineering, Semiconductor Physics, Materials Science, or a related discipline.
* Proficiency in statistical analysis tools (e.g., JMP, Minitab) for yield analysis and correlation studies.
* Strong analytical and problem‑solving skills with the ability to translate device performance into process improvements.
* Proven ability to manage and drive cross‑functional projects to completion.
* Working knowledge of lean and Six Sigma continuous improvement methodologies (DMAIC, A3, 8D, 5‑Why’s).
* Excellent time management, self‑motivation, and ability to prioritize multiple projects.
* Clear and confident communication skills for technical discussions and reporting.
Desirable Skills
* Previous experience as a Product Engineer or Test Engineer in semiconductor manufacturing, ideally with knowledge of power devices (e.g., Thyristors, IGBTs, Diodes, GTOs).
* Strong understanding of semiconductor device physics, electrical characterization, and failure analysis methods.
* Hands‑on experience with characterization equipment and final test platforms.
* Six Sigma Green or Black Belt certification.
Littelfuse strives to empower associate growth and development in a culture of collaboration and respect for diverse global perspectives. Our core values—Respect, Customer Focus, Agility, Collaboration—support us in improving the safety, reliability, and performance of our customers’ products that use electrical energy.
We are an equal‑opportunity employer that takes pride in giving every associate the means and courage to make a difference – everywhere, every day.
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