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Vishay Intertechnology, Inc.
Vishay Intertechnology, Inc.
AutomotiveDefenseHealthcare
Vishay Intertechnology, Inc. develops and manufactures discrete semiconductors and passive electronic components used across automotive, industrial, computing, telecommunications, aerospace, defense, medical, and consumer products. Its portfolio includes diodes, MOSFETs, power modules, capacitors, resistors, inductors, optoelectronics, sensors, and custom components. The company supports OEMs and distributors worldwide with component selection, reference designs, and engineering expertise focused on dependable product development.
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SiC MOSFET Characterization Engineer - Vishay Taipei Onsite

Characterize, qualify, and release Vishay SiC power MOSFETs through high-voltage testing and production screening. This full-time onsite role is based in Taipei, Taiwan.

TWTaiwanOn-siteFull-timeMiddleSeniorEnglish RequiredEngineer
AssemblyPythonSwitching

Description

  • Characterize and evaluate SiC power MOSFETs for qualification and production release
  • Plan and execute testing from engineering samples through qualification and manufacturing release
  • Conduct DC, AC, thermal, UIS/avalanche, SOA, short-circuit, Qrr, trr, and related stress testing
  • Run double-pulse and application-focused switching tests covering Eon/Eoff, timing, dv/dt, di/dt, and ringing
  • Assess device performance across temperature, bus voltage, drain current, gate-drive voltage, external gate resistance, and switching conditions
  • Investigate abnormal electrical results and relate findings to device, wafer-process, package, assembly, and test variables
  • Create good-versus-bad characterization techniques and define electrical signatures for production screening
  • Support bench-to-ATE correlation, datasheet limits, product specifications, guard bands, and production test limits
  • Document characterization results and present technical conclusions to cross-functional teams

Requirements

  • Bachelor’s or master’s degree in electrical engineering, electronic engineering, semiconductor engineering, physics, or a related field
  • Typically five or more years of experience in power semiconductor characterization, product engineering, device engineering, or applications engineering
  • Hands-on SiC MOSFET experience is strongly preferred
  • Experience with 650 V to 1700 V or higher power devices is highly desirable
  • Strong laboratory, problem-solving, statistical analysis, and technical communication abilities
  • Thorough knowledge of SiC MOSFET physics, switching behavior, gate-oxide behavior, capacitance, body-diode recovery, avalanche, SOA, and temperature effects
  • Practical experience testing high-voltage products with power-device analyzers such as Keysight B1505A, B1506A, or PID1500, or equivalent equipment, along with curve tracers, double-pulse systems, oscilloscopes, high-voltage probes, current probes, and LCR or impedance analyzers
  • Knowledge of high-voltage measurement practices, creepage and clearance, Kelvin connections, grounding, parasitic inductance, fixture design, and measurement correlation
  • Experience analyzing characterization data with Python, JMP, Spotfire, MATLAB, or comparable tools
  • Strong test-hardware skills, including developing and debugging test boards and associated circuitry
  • Automotive-grade SiC MOSFET development and AEC-Q101 qualification experience is preferred
  • Experience taking products from engineering characterization through qualification and high-volume manufacturing is preferred
  • Experience with wafer-level and final-test correlation, production ATE screening, and manufacturing data analysis is preferred
  • Experience with SiC reliability testing such as HTRB, HTGB, TDDB, threshold-voltage stability, and high-temperature operation is preferred

Benefits

  • A broad benefits portfolio and supporting resources for personal and professional goals
  • Distinct opportunities for career development
  • An open, collaborative working culture
  • A stable business environment
  • Opportunities to work across global and local teams

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