Alarms & Buzzers

  1. PROJECTS UNLIMITED - AT21 - Piezo tranducer. Package of 10.

    PROJECTS UNLIMITED - AT21 - Piezo tranducer. Package of 10.

    $4.50

    READY TO SHIP - ONLY 69 LEFT IN STOCK!

    Audio, alarms and buzzers. Piezo ceramic transducer. Material: brass. Mount: 3 pin. Dimensions: 22mm D, with 2 wire leads. Package of 10. Learn More
  2. PROJECTS UNLIMITED - AT-121-LW45 - Audio, PZT. Piezo tranducers. Package of 10.

    PROJECTS UNLIMITED - AT-121-LW45 - Audio, PZT. Piezo tranducers. Package of 10.

    $3.00

    IN STOCK - MORE THAN 1,000 READY TO SHIP!

    Audio, PZT. Piezo tranducers, 5kHz, 3-28Vp-p 8mA @ 12VDC 85dBA @ 12vp-p. No internal electronics - schematic for driving circuit available. Case: Enclosed 24mm D, 34mm with feet. (3) 45mm-wire leads. Package of 10. Learn More
  3. PROJECTS UNLIMITED - DA505 - Audio, buzzer. Dip Alarm.

    PROJECTS UNLIMITED - DA505 - Audio, buzzer. Dip Alarm.

    $5.00

    READY TO SHIP - ONLY 9 LEFT IN STOCK!

    Audio, buzzer. Dip Alarm. Mount: PCB 4 pin. Dimensions: 0.909" long x 0.512" wide x 0.518" high. Learn More
  4. PROJECTS UNLIMITED - AT-99-13-A - Ringers for Motorola Flip-Phones. Package of 4.

    PROJECTS UNLIMITED - AT-99-13-A - Ringers for Motorola Flip-Phones. Package of 4.

    $1.00

    IN STOCK - MORE THAN 500 READY TO SHIP!

    Audio alarms and buzzers. Ringers. Not a PZT, tiny coil inside with magnet. Application: for Motorola flip-phones, PM speaker. Dimensions: Case: 10mm with 1.5" wire leads. Package of 4. Learn More
  5. PROJECTS UNLIMITED - MAT009-1 - Phone ringer. Mount: 2 pin. Package of 3.

    PROJECTS UNLIMITED - MAT009-1 - Phone ringer. Mount: 2 pin. Package of 3.

    $3.00

    READY TO SHIP - ONLY 10 LEFT IN STOCK!

    Audio, alarms and buzzers. Phone ringer. Mount: 2 pin. Dimensions: 8.8mm D.Package of 3. Learn More
  6. PROJECTS UNLIMITED - MAT009-3 - Phone ringer. Mount: 2 pin. Package of 3.

    PROJECTS UNLIMITED - MAT009-3 - Phone ringer. Mount: 2 pin. Package of 3.

    $3.00

    READY TO SHIP - ONLY 8 LEFT IN STOCK!

    Audio, alarms and buzzers. Phone ringer. Mount: 2 pin. Dimensions: 8.8mm D. Package of 3. Learn More
  7. PROJECTS UNLIMITED - MAT009-5 - Phone ringer. Mount: 2 pin. Package of 3.

    PROJECTS UNLIMITED - MAT009-5 - Phone ringer. Mount: 2 pin. Package of 3.

    $3.00

    READY TO SHIP - ONLY 8 LEFT IN STOCK!

    Audio, alarms and buzzers. Phone ringer. Mount: 2 pin. Dimensions: 8.8mm D. Package of 3. Learn More
  8. PROJECTS UNLIMITED - SMT-903 - Ringers, 3v p-p 2300Hz. Package of 10.

    PROJECTS UNLIMITED - SMT-903 - Ringers, 3v p-p 2300Hz. Package of 10.

    $3.00

    IN STOCK - MORE THAN 100 READY TO SHIP!

    Audio alarms and buzzers. Ringers, 3v p-p 2300Hz electromechanical. Features high sound pressure output with low current consumption and minimum resonance frequency is low (2,500HZ). With 8.5 ohm impedence, and an average sound pressure level of 93dB. Rated voltage is 5VDC and average maximum rated current is 80ma. Applications: These speakers are found in cell phones such as Motorola Smartac and various compact high tech gadgets. Mount: SMD. Dimensions: ultra-miniature 8.5mm square x 4mm high. Requires drive circuitry. Package of 10. Learn More

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