KYOCERA AVX CDR31BP390BJUS-M is a high-reliability (HI-REL) ceramic capacitor designed for demanding applications. This surface-mount device (SMD) features a robust construction, suitable for environments requiring exceptional stability and performance. Its precise capacitance value and low equivalent series resistance (ESR) make it ideal for filtering, decoupling, and energy storage in critical systems. Applications span aerospace, defense, and high-performance industrial equipment where component reliability is paramount. The CDR31BP390BJUS-M is supplied in tape and reel packaging for efficient automated assembly processes.