SFM-1440 The SFM-1440 is an SMD external-driven piezo transducer from Ningbo East Electronics. It offers a minimum sound pressure level of 75dB at 4.0kHz.
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SFM-1440

Available from 1 distributors
Mfr Name: Ningbo East Mingtao Electronics
Ningbo East Mingtao Electronics
The SFM-1440 is an SMD external-driven piezo transducer from Ningbo East Electronics. It offers a minimum sound pressure level of 75dB at 4.0kHz.
✓ Total Stock: 2,600 pcs
$ Price Range: $0.99

SFM-1440 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,600 pcs
2600 pcs On Request 1 On Request On Request On Request On Request On Request

SFM-1440 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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SFM-1440 Description

Short technical summary and product information.

The SFM-1440 is an SMD external-driven piezo transducer manufactured by Ningbo East Electronics Limited. This component is designed for various audio signaling applications.

 

Key electrical specifications include a minimum sound pressure level of 75dB measured at 4.0kHz with a 5Vp-p square wave at a distance of 10cm. The allowed input voltage is up to 20Vp-p, with a maximum consumption of 2mA at 4.0kHz and 5Vp-p. The resonant frequency is 4.0 ± 0.3kHz, and the capacitance is 10 ± 30%nF at 1000Hz.

 

Mechanically, the transducer features a PPS black case and Cu/Au plated pins. It weighs 1.1g and has a pin strength of more than 10N. The operating temperature range is -20 to +85℃.

 

This piezo transducer is supplied in an SMD package, suitable for surface mounting. The recommended land pattern is provided in the datasheet for proper soldering.

SFM-1440 Quick Information

Product Type: Piezo Transducer
Canonical Name: SMD External-Driven Piezo Transducer
Subcategory: Buzzer

SFM-1440 Compliance

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

SFM-1440 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

SFM-1440 Features

  • SMD external-driven piezo transducer.
  • Minimum sound pressure level of 75dB.
  • Maximum input voltage of 20Vp-p.
  • Operating temperature range of -20 to +85℃.
  • PPS case with Cu/Au plated pins.

SFM-1440 Applications

  • Suitable for piezoelectric alarm systems.
  • Used in data acquisition and measurement devices.
  • Ideal for sound signaling applications.
  • Applicable in industrial temperature monitoring.
  • Suitable for electronic buzzer and siren circuits.

SFM-1440 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the minimum sound pressure level of the SFM-1440?

The minimum sound pressure level is 75dB, measured at 4.0kHz with a 5Vp-p square wave at 10cm.

What is the maximum input voltage for the SFM-1440?

The allowed input voltage is 20Vp-p.

What is the capacitance of the SFM-1440 at 1000Hz?

The capacitance is 10 ± 30%nF at 1000Hz.

What is the resonant frequency of the SFM-1440?

The resonant frequency is 4.0 ± 0.3kHz.

What is the operating temperature range for the SFM-1440?

The operating temperature range is -20 to +85℃.

What material is the case of the SFM-1440 made from?

The case material is PPS and the color is black.

What is the weight of the SFM-1440 transducer?

The weight of the SFM-1440 transducer is 1.1g.

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