MA40S4S. Component family: Ultrasonic transmitter. Configuration: PCB through-hole mounting. Dimensions: Ø9.9mmx7.1mm. Housing: cylindrical, radial connections. Max temperature: +85°C.. Number of terminals: 2. Operating frequency [KHz]: 40kHz. RoHS: yes. Sound pressure [dB]: 120. Original product from manufacturer: Murata. Quantity in stock updated on 13/11/2025, 16:42