・OCXO for 5G DU, CU
・High-precision, high-stability, high-reliability crystal oscillators (OCXO, etc.)
・High-end audio
・Measurement equipment

・Crystal units for high frequency stability and reliability OCXOs
・HC-37/U low profile Φ: Max 15.6mm Height: Max 4.6mm
・SC cut overtone mode
・High-grade, high-quality crystal rough: N-Grade* used
*JIS C 6704 inclusion density: Ia, infrared absorption coefficient: A
https://www.ndk.com/en/products/crystal/products/n-grade.html
・High stability, high accuracy, low aging
・High short-term stability, low phase noise (near carrier)