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  Mfg. Part # Description Condition Price Buy
Projects Unlimited Inc
AT-121-LW45
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 50. In Mfr Packaging $8.99
Projects Unlimited Inc
AB2040S
Audio, PZT. Piezo ceramic bender. Resonant frequency: 4000 ± 500 Hz. Input voltage: 30 Vp-p. Resonant impedance: 350 Ohm. Capacitance: 25,000 ± 30% pF, Direct CMAS or TTL drive, no feedback electrode. Dimensions: 20mm D x 0.2mm thick. Specification sheet available upon request. Package of 100. New (un-used) $7.99
Projects Unlimited Inc
SMT-903
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. New (un-used) $3.00
Projects Unlimited Inc
AT-99-13-A
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. New (un-used) $1.00
Projects Unlimited Inc
AT21
Audio, alarms and buzzers. Piezo ceramic transducer. Material: brass. Mount: 3 pin. Dimensions: 22mm D, with 2 wire leads. Package of 10. Un-used but old $4.50
Projects Unlimited Inc
AT-14
Piezo Speaker 1-5/8" Diameter with mounting tabs - PZT New (un-used) $0.95
Projects Unlimited Inc
DA505
Audio, buzzer. Dip Alarm. Mount: PCB 4 pin. Dimensions: 0.909" long x 0.512" wide x 0.518" high. New (un-used) $2.50
Projects Unlimited Inc
MAT009-5
Audio, alarms and buzzers. Phone ringer. Mount: 2 pin. Dimensions: 8.8mm D. Package of 3. New (un-used) $1.50
Projects Unlimited Inc
MAT009-3
Audio, alarms and buzzers. Phone ringer. Mount: 2 pin. Dimensions: 8.8mm D. Package of 3. New (un-used) $1.50
Projects Unlimited Inc
MAT009-1
Audio, alarms and buzzers. Phone ringer. Mount: 2 pin. Dimensions: 8.8mm D. Package of 3. New (un-used) $1.50
Projects Unlimited Inc
AT-121-LW45
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. In Mfr Packaging $3.00
11 Results  1