The application segmentation of the Semiconductor Device Analyzer market delineates end‑use contexts that dictate instrument selection and spending patterns, a core element of Semiconductor Device Analyzer segmentation analysis. Memory Device Testing commands the largest share, approximately 35 %, as the proliferation of DRAM, NAND, and emerging non‑volatile memories intensifies demand for precise leakage and endurance measurements. Power Device Testing follows with roughly 30 % share, driven by the expansion of power‑management ICs and wide‑bandgap devices requiring high‑voltage, high‑current characterization. RF Device Testing accounts for about 20 % of the market, reflecting growth in 5G, IoT, and automotive radar where frequency‑dependent parameters are critical. The remaining 15 % is attributed to Logic Device Testing, encompassing microcontrollers, ASICs, and SoCs where timing and logic‑level verification dominate. These application categories collectively shape purchasing behavior, R&D focus, and ultimately the total addressable market for device analyzers.