Ultrasonic Transducer, Tx & Rx (BCM08G)

A pair of highly sensitive ultrasonic transducer used in burglar alarms, proximity detection, remote controls etc.

Resonant frequency: 40kHz±1

Transmitter
Sensitivity: 17±6dB(*)
Max i/p vge (rms): 7
Impedance: 200 (approx)
Capacitance: 1400pF ±20%
Pulse Rise Time: 2mS
Max i/p vge, pulse operation: 60v pk-pk

*0dB = 1µBar/V/m

Receiver
Sensitivity: -56±6dB(#)
Impedance: 70k (approx)
Capacitance: 1400pF ±20pF
Pulse Rise Time: 0.5mS

#0dB = 1V/µBar with 47k shunt.

Dims: 12mm high (excl pins) x 16mm dia, contact pin protrudea further 9mm, 10mm apart.

Sold as pairs.