A-18P20. Component family: Ultrasonic transmitter/receiver. Configuration: PCB mounting, waterproof. Dimensions: 18mmx12mm. Housing: cylindrical, radial connections. Max temperature: +80°C.. Number of terminals: 2. Operating frequency [KHz]: 40kHz. RoHS: yes. Sound pressure [dB]: 106dB. Original product from manufacturer: Ekulit. Quantity in stock updated on 13/11/2025, 16:42