40 kHz Ultrasonic Transducer

Code: HY12N

Product details

40 kHz Ultrasonic Transducer

A high sensitivity ultrasonic transmitter and receiver, sold only in pairs, for sending and receiving ultrasonic sound through the air, either as a continuous wave or pulses. Applications include burglar alarm systems, proximity switches, liquid level meters, anti-collision devices, counters for moving objects, TV remote control systems, etc.
T-40 R-40
Transmitter Receiver
SPL91W/1m 120dB -
Sensitivity 5mV/PA/1kHz 5mV/PA/1kHz

What is the maximum voltage spec for the HY12N ultrasonic transmitter?

Asked by: Intelab
The driving voltage can be anywhere between 0.5v and 30v for these items.
Answered by: Dominic
Date published: 2017-07-13

Is there a MINIMUM voltage level these will operate on please, e.g. would 5 to 6 V be sufficient (or possibly up to 12 V)? If not could you please suggest an alternative? Seems only Vmax is listed in data sheets...

Asked by: Timbo
The driving voltage can be anywhere between 0.5v and 30v for these items.
Answered by: DaveB
Date published: 2016-06-17

I just bought a pair of these transducers one has a silver back marked CTD Taiwan ,the other has a black back market 40T. so what is the tx and rx units they have both got T in their Ident?

Asked by: davieradio
40-T is the transmitter https://maplindownloads.s3-eu-west-1.amazonaws.com/HY12N-Datasheet-30-7556.1-7556.2014-7556.pdf
Answered by: Les
Date published: 2016-06-08

Can these transducers be driven by a CMOS output? Could I have a data sheet for these transducers too?

Asked by: Sandy
A data sheet for the device can be found here https://maplindownloads.s3-eu-west-1.amazonaws.com/HY12N-Datasheet-30-7556.1-7556.2014-7556.pdf Unfortunately we are unable to give any advice as to usage implementation, circuit or project design.
Answered by: Les
Date published: 2016-01-27

can this transducer receive ultrasonic wave and produce electricity?

Asked by: kanch27
I am sorry but the item in question doesnt support use in you inteded application.
Answered by: Billy
Date published: 2015-07-20

Do you have a datasheet for these transducers? I would like to create SPICE models. Thank You.

Asked by: James
I have sent this to the email address provided.
Answered by: Dominic
Date published: 2015-07-17

I want to sense ultrasonic frequencies in the 20k to 30k Hz range. Will this device sense these frequencies?

Asked by: aeroanorak
No, sorry this item would not be suitable for your needs.
Answered by: Russell
Date published: 2015-07-17

Are ultrasonic transducers (HY12N) priced per transmitter/receiver pair or per unit?
Asked by: Anonymous
sold only in pairs
Answered by: DM
Date published: 2015-07-17
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Bulk Prices

Item code Item name Quantity Price
HY12N 40 kHz Ultrasonic Transducer (100+) £4.87
HY12N 40 kHz Ultrasonic Transducer (25+) £5.19
HY12N 40 kHz Ultrasonic Transducer (10+) £5.52
HY12N 40 kHz Ultrasonic Transducer (5+) £5.84
HY12N 40 kHz Ultrasonic Transducer (1+) £6.99

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