Crystal and oscillator minimum capacity utilization rates declined into Q4 from 85% to 70%, though utilization is over 90% for smaller-size and auto-grade products. Low capacities and production rates for frequency control devices limit flexibility to respond to sudden upsides in demand. Additionally, With an increasing number of products going obsolete due to maturity, profitability concerns, or unavailability of raw materials, supply chain professionals must design end products in alignment with the latest supplier technology roadmaps.