MT8870DSR1. Component family: Communication circuit. Configuration: surface-mounted component (SMD). Housing (JEDEC standard): -. Housing: SO18W. Max temperature: +85°C.. Number of circuits: 1. Number of terminals: 18. RoHS: yes. Type of circuits: DTMF circuit. [V]: +5.25V. Original product from manufacturer: Zarlink Semiconductor. Quantity in stock updated on 11/06/2025, 22:14