SMA-21 The Sonitron SMA-21-S is a surface-mount piezo buzzer with a continuous tone. It operates within a supply voltage range of 1.5V dc to 24V dc and produces an 85dB sound level.
Mfr Part #:

SMA-21

Available from 2 distributors
Mfr Name: Sonitron
Sonitron
The Sonitron SMA-21-S is a surface-mount piezo buzzer with a continuous tone. It operates within a supply voltage range of 1.5V dc to 24V dc and produces an 85dB sound level.
✓ Total Stock: 88 pcs
$ Price Range: $0.99

SMA-21 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
76 pcs
76 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
12 pcs
12 pcs On Request 1 On Request On Request On Request On Request On Request

SMA-21 Specifications Quick View

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SMA-21 Description

Short technical summary and product information.

This Sonitron SMA-21-S is a piezo buzzer designed for surface mounting. It features a continuous tone output and a sound level of 85dB. The buzzer operates with a minimum supply voltage of 1.5V dc and a maximum of 24V dc, making it versatile for various applications.

 

Key electrical characteristics include a supply current of 3.8mA and frequency range from 2805Hz to 3.795kHz. The operating temperature range is from -20°C to 70°C. Its dimensions are 21mm in length and depth, with a height of 9.5mm.

 

The device is manufactured in Belgium and adheres to RoHS3 compliance standards. Its compact size and surface-mount capability make it suitable for integration into a wide range of electronic devices requiring audible alerts.

SMA-21 Quick Information

Product Type: Piezo Buzzer
Canonical Name: Sonitron SMA-21-S Piezo Buzzer
Subcategory: Piezo Buzzer

SMA-21 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SMA-21 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

SMA-21 Features

  • Surface mount piezo buzzer
  • Continuous tone output
  • 85dB sound level
  • 1.5V dc to 24V dc supply voltage
  • Compact 21mm x 9.5mm x 21mm dimensions

SMA-21 Applications

  • Ideal for status indication alerts
  • Suitable for embedded systems
  • Use in consumer electronics
  • Applications requiring audible warnings

SMA-21 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the Sonitron SMA-21-S buzzer?

The Sonitron SMA-21-S buzzer operates with a minimum supply voltage of 1.5V dc and a maximum of 24V dc.

What is the sound level produced by the Sonitron SMA-21-S buzzer?

The Sonitron SMA-21-S buzzer produces a sound level of 85dB.

What type of tone does the Sonitron SMA-21-S buzzer emit?

The Sonitron SMA-21-S buzzer emits a continuous tone.

What are the operating temperature limits for the Sonitron SMA-21-S buzzer?

The Sonitron SMA-21-S buzzer can operate within a temperature range of -20°C to 70°C.

What are the dimensions of the Sonitron SMA-21-S buzzer?

The Sonitron SMA-21-S buzzer has dimensions of 21mm in length, 9.5mm in height, and 21mm in depth.

What is the typical supply current for the Sonitron SMA-21-S buzzer?

The typical supply current for the Sonitron SMA-21-S buzzer is 3.8mA.

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The Sonitron SCS-17-P10 is a piezoelectric miniature speaker designed for audible alerts. It offers a sound level of 88 dB and operates within a frequency range of 700 Hz to 8 kHz.
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SCI-535B1
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The Sonitron SCI535B1 is a panel mount piezo buzzer delivering an 86dB sound level. It operates from 5V dc to 35V dc and features a continuous tone type.
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