Pair Aluminum Housing 40KHz Ultrasonic Transducer Transmitter Receiver

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Specifications:

Product Name	Ultrasonic Transducer
Model No.	TR40-12
Max. Input Voltage	20Vrms
Shock Impact	50G
T40-12(Transmitter)	Center Frequency: 40KHz ± 1KHz Sound Pressure Level*4: 112dB(Min.) Attenuation of Sound Pressure Level: -10dB(Max.) Bandwidth: 5KHz(Min.)
R40-12(Receiver)	Center Frequency: 40KHz ± 1KHz Sensitivity: -67dB/v/ubar(Min.) -6dB Directivity: 80 Degree Bandwidth: 5KHz Capacitance: 2500pF
Operation Temperature	-30°C to +80°C
Operating Relative Humidity*1	10-90%
Storage Temperature	-40°C to +90°C
Soldering Temperature	240°C
Body Size(Each)	12.6 x 9.4mm / 0.5" x 0.37"(Dia.*T)
Pin Size	0.7mm x 6.3mm(Dia.*L)
Housing Material	Aluminum
Weight	4g
Package Content	1 Pair x Ultrasonic Transducer(The Transmitter and the Receiver)

Descriptions:

The T40-12 and R40-12 are matched pair ultrasonic transmitter and receiver respectively operated at 40KHz center frequency with 12.6mm diameter. This transducer utilizes the piezoelectric properties of engineering ceramic that provides high sound pressure and high sensitivity.
Features: high sound pressure, high sensitivity, air medium, aluminum housing.
Applications: auto switching, car obstacle avoidance, range finder, fluid level control, burglar alarm.
Note: the bottom of the transducer is marked with T, which stands for Transmitter, R stands for Receiver.

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