LM1972M-NOPB. Component family: Analog integrated circuit. Configuration: surface-mounted component (SMD). Housing (JEDEC standard): -. Housing: SO20. Max temperature: +70°C.. Number of circuits: 1. Number of terminals: 20. RoHS: yes. Type of circuits: Audio attenuation circuit. [V]: +12V. Original product from manufacturer: National Semiconductor. Quantity in stock updated on 11/13/2025, 16:06