D31-032768-BFRD40 32.768kHz SMD CRYSTAL RESONATOR 12.5pF 70kOhm D31-032768-BFRD40 is a high-performance crystal component that operates at a frequency of 32.768KHz with a frequency stability of nan.Features equivalent series resistance (ESR) of 70K Ohms. Compact dimensions: length 3.20mm, width 1.50mm, and height 0.75mm. Supports a temperature range of -40°C~+85°C for reliable performance. Manufactured by AKER with compliance to ROHS standards. Packaged as TAPE&REEL for convenience.