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TDK Corporation SD1209T3A1 Electromagnetic Buzzer

These electromagnetic buzzers are compact and highly reliable, suitable for automobile and general electronic equipment. Operating at 2048Hz, they feature pin terminal construction for easy PCB mounting and are RoHS compliant. The SD series offers models with rated voltages from 3V to 12V, delivering sound pressure levels up to 85dB at 10cm. Designed for applications like alarms, clocks, toys, and automotive warning systems, they ensure durability within temperature ranges of -40°C to +85°C, making them ideal for various environments. External dimensions and technical specs support easy integration into diverse devices.

Authorized Distributors
Part No:SD1209T3-A1
Stock:30
Inv Date:06-13-2026
Price: Unit price: $3.49
Buy/RFQ:
Part No:SD1209T3-A1
Stock:84
Inv Date:06-12-2026
Price: Unit price: $0.875
Buy/RFQ:
Part No:SD1209T3-A1
Stock:84
Inv Date:06-12-2026
Price: Unit price: $0.875
Buy/RFQ:

TDK Corporation SD1209T3A1 Electromagnetic Buzzer Specifications:

  • Rated voltage: 3V, 5V, 12V
  • Operating voltage range: 3-4V, 3-6V, 6-15V respectively
  • Frequency: 2048Hz
  • Sound pressure: min. 80-85dB at 10cm
  • Current: max. 60-700mA depending on model
  • DC Resistance: typ. 20-120Ω
  • Temperature range: -40°C to +85°C
  • Dimensions: approximately 9mm (diameter), height 5mm
  • Pole length: 5mm (for some models)
  • Terminals: Pin terminal type
  • RoHS compliant
  • Application: automotive alarms, clocks, toys, electronic gadgets

Buy the Buy TDK Electromagnetic Buzzer Part Number SD1209T3A1 Online

Discover the high-performance, RoHS-compliant electromagnetic buzzer from TDK, model SD1209T3A1. With a compact design, pin terminal construction, and output at 2048Hz, it’s ideal for automotive alarms, clocks, toys, and other electronic gadgets. Operates within -40°C to +85°C, ensuring reliable performance in diverse environments. Its sound pressure reaches at least 80dB at 10cm, making it effective for various warning and alert applications. Purchase online today for dependable sound generation in your electronic projects and automotive systems.

Get TDK SD1209T3A1 today—built for reliable sound alerts in automotive and electronic devices.

Frequently Asked Questions

Where can I buy TDK Corporation SD1209T3A1?

You can click on the BUY or RFQ button to purchase SD1209T3A1 from an authorized TDK Corporation distributor.

How do I troubleshoot issues or seek technical support for part SD1209T3A1?

You can download the SD1209T3A1 datasheet or visit the TDK Corporation website for support.

Who is the manufacturer of SD1209T3A1?

TDK Corporation

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