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SF-27 DC3-24V Intermittent tone

SF-27 DC3-24V Intermittent tone

Contact Seller :- Call or Whatsapp ‪+91 9319902096 harshita@qysmt.in

Call or Whatsapp
‪+91 9319902096

Email: harshita@qysmt.in

SF-27 DC3-24V Intermittent tone

Technical Specifications

According to data sheets from standard manufacturers like  the module provides the following parameters: 
  • Operating Voltage: 3V to 24V DC
  • Rated Voltage: 12V DC
  • Max Rated Current: 12mA to 20mA at 12V
  • Sound Pressure Level: \(\ge \) 95 dB at 10 cm (12V DC)
  • Resonant Frequency: \(3100 \pm 500\text{ Hz}\)
  • Sound-Making Type: Intermittent (pulsing beep)
  • Dimensions: 30 mm diameter, 15 mm height, with 40 mm mounting hole spacing [
Wiring & Circuit Connection
Connecting this buzzer to a circuit requires attention to its polarity: 
  1. Red Wire: Connect to the positive terminal (\(+\)) of your DC power source or microcontroller output pin.
  2. Black Wire: Connect to the negative terminal (\(-\) / Ground) of your power supply. 
Watch a quick operational demonstration of the SFM-27 buzzer line to see its body style and response:
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  • Address:-

    Qinyi Electronics Pvt. Ltd.

    Plot no. 48, 3rd FLOOR, PACE CITY-1, SECTOR-37 GURUGRAM, HARYANA, Pin Code - 122004
    GSTIN : 06AAACQ6376N1ZW

  • Contact US:-

    Qinyi Electronics Pvt. Ltd.

    Contact Person: Harshita Sharma

    Tel. : ‪+91 9319902096

    Email : harshita@qysmt.in