Web only

40kHz 18mm Closed Ultrasonic Transmitter

Code: N23KK

  • Air ultrasonic ceramic transmitter - closed type
  • 40kHz frequency
  • 18mm diameter
  • Aluminium case

Product details

40kHz 18mm Closed Ultrasonic Transmitter

• Air ultrasonic ceramic transmitter - closed type
• 40kHz frequency
• 18mm diameter
• Aluminium case

Industry standard closed faced transmitter/receiver pair. Widely used in hobbyist and industrial markets for robotics, distance measurement, security, pest repellent and gas/wind detection.
Operating Specifications
Bandwidth 1.5kHz
Transmitting SPL 115dB
Total Beam Angle 30°
Receiving Sensitivity -70dB
Maximum Driving Voltage 20V
Capacitance At 1kHz 2400pF

Is there a driver circuit you can recommend for this, off the shelf or diy.

Asked by: spud
it is important to note that as a retail only company we are unable to assist with any design projects or queries, or advise on specific products that may be required for your purpose.
Answered by: Dominic
Date published: 2017-01-27
  • y_2017, m_9, d_24, h_22CST
  • bvseo_bulk, prod_bvqa, vn_bulk_2.0.3
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_1
  • loc_en_GB, sid_N23KK, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_maplin-en_gb

Bulk Prices

Item code Item name Quantity Price
N23KK 40kHz 18mm Closed Ultrasonic Transmitter (100+) £5.75
N23KK 40kHz 18mm Closed Ultrasonic Transmitter (25+) £6.13
N23KK 40kHz 18mm Closed Ultrasonic Transmitter (10+) £6.52
N23KK 40kHz 18mm Closed Ultrasonic Transmitter (5+) £6.90
N23KK 40kHz 18mm Closed Ultrasonic Transmitter (1+) £7.99

Why not tell us and our B2B sales team about your specific business needs and expectations?

At Maplin, we’re always looking for innovations and technology that can help your business work more efficiently.

With a dedicated business team and special services available only to business customers, you can access our electronics and technology solutions through our wide network of over 200 stores, our website with more than 20,000 products or though your personal account manager over the phone.

Working with organisations for nearly 30 years, Maplin offers a nationwide range of benefits to our business users:

  • 30 day EOM credit account
  • volume discount pricing
  • online and in-store use of account
  • one-to-one account management
  • bespoke product sourcing and branding
  • free delivery on orders over £10
  • scheduled and forward ordering service

Contact our business team on 

0333 400 9740 to open an account or discuss your business needs.

To receive your free copy of the Maplin Catalogue just call 0333 400 9740.

£7.99

  • Home Delivery
  • Click & Collect

Related Products
A mylar cone speakers with ferrite magnets, Designed ...
A mylar cone speakers with ferrite magnets, Designed primarily for use in sirens and buzzersThe mylar cone and plastic centre dome combined with a card gasket around the cone, make the units fully weather and splashproof from the front. They ...
Ceramic piezo transducer elementGenerates a range of audible ...
Ceramic piezo transducer elementGenerates a range of audible tones and frequenciesOther uses include toys, clocks and watches, calculators and electronic gamesThere are no moving parts to wear outWithstands severe environmental conditions and prove durable in domestic appliances without causing r.f. ...
BT type 47 equivalent relay designed for direct ...
BT type 47 equivalent relay designed for direct PCB mounting, Single side stable, high sensitive type, Silver nickel contacts, Switches up to 2A at 30VDC, Ideal for switchboards, fax machines, telephones, audio and industrial applications, BABT approved, Can also be ...
8 Channel transceiver module, Range up to 1,000 ...
8 Channel transceiver module, Range up to 1,000 metres, 8 Digital input/outputs, Receiver outputs mirror transmitter inputs transmitter inputs, Minimal external components, Secure data protocol, Ultra low power 1.8— Ultra low power 1.8—3.6V., CE compliant for licence free use, Easy ...