AVX Piezoelectric Acoustic Generators Catalog
AVX Piezoelectric Acoustic Generators Catalog
AVX Piezoelectric Acoustic Generators Catalog
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<strong>Piezoelectric</strong> <strong>Acoustic</strong> <strong>Generators</strong><br />
Piezo Ceramic Elements - External Drive Type<br />
Specifications<br />
(A type)<br />
Model No.<br />
Resonant Resonant Static Dimensions (mm)<br />
Metal Disc<br />
Frequency Impedance Capacitance<br />
Metal Disc Ceramic Disc Electrode Total Thickness Metal Disc Material<br />
(kHz) (Ω) (pF)<br />
(φA) (φB) (φC) (T) Thickness (t)<br />
KBS-13DA-12A 12.0 ± 1.2 700 15,000 ± 30% 13.4 ± 0.1 10.0 ± 0.3 (19.0) 0.36 ± 0.1 0.15 ± 0.03 Brass<br />
KBS-15DA-9A-2 10.5 ± 3.0 600 18,000 ± 30% 15.0 ± 0.1 12.0 ± 0.3 (11.0) 0.42 ± 0.1 0.20 ± 0.03 Brass<br />
KBS-20DA-7A 16.6 ± 1.0 300 10,000 ± 30% 20.0 ± 0.1 14.2 ± 0.3 (13.0) 0.45 ± 0.1 0.20 ± 0.03 Brass<br />
KBS-20DA-7AS 17.5 ± 1.0 300 10,000 ± 30% 20.0 ± 0.1 14.2 ± 0.3 (13.0) 0.45 ± 0.1 0.20 ± 0.03 Stainless Steel<br />
KBS-23DA-4A 4.0 ± 1.0 600 12,000 ± 30% 22.8 ± 0.1 15.0 ± 0.3 (14.0) 0.41 ± 0.1 0.15 ± 0.03 Brass<br />
KBS-27DA-3A 13.0 ± 0.5 1,500 10,000 ± 30% 27.0 ± 0.1 14.2 ± 0.3 (13.0) 0.49 ± 0.1 0.25 ± 0.03 Brass<br />
KBS-27DA-5A 14.6 ± 0.5 200 20,000 ± 30% 27.0 ± 0.1 20.2 ± 0.3 (19.0) 0.53 ± 0.1 0.25 ± 0.03 Brass<br />
KBS-27DA-5AS 15.0 ± 0.5 200 20,000 ± 30% 27.0 ± 0.1 20.2 ± 0.3 (19.0) 0.53 ± 0.1 0.25 ± 0.03 Stainless Steel<br />
KBS-30DA-1A 11.4 ± 0.5 500 ★48,000 ± 30% 30.0 ± 0.1 20.2 ± 0.3 (19.0) 0.23 ± 0.1 0.10 ± 0.03 Brass<br />
KBS-35DA-3A 12.9 ± 0.5 200 30,000 ± 30% 35.0 ± 0.1 25.0 ± 0.5 (23.5) 0.53 ± 0.1 0.25 ± 0.03 Brass<br />
KBS-38DA-2AL 11.5 ± 0.3 300 ★36,000 ± 30% 38.0 ± 0.1 25.0 ± 0.5 (23.5) 0.38 ± 0.1 0.15 ± 0.03 42-Alloy<br />
KBS-47DA-06A-3 0.70 ± 0.20 700 ★120,000 MIN. 46.94 ± 0.1 25.0 ± 0.5 (23.5) 0.28 ± 0.1 0.15 ± 0.03 Brass<br />
KBS-50DA-06A 0.65 ± 0.25 1,500 ★120,000 MIN. 50.0 ± 0.1 25.0 ± 0.5 (23.5) 0.28 ± 0.1 0.15 ± 0.03 Brass<br />
KBS-50DA-08A-3 0.87 ± 0.25 3,000 ★40,000 ± 30% 50.0 ± 0.1 25.0 ± 0.5 (23.5) 0.44 ± 0.1 0.20 ± 0.03 Brass<br />
KBS-50DA-1A 0.90 ± 0.30 600 ★45,000 ± 30% 50.0 ± 0.1 30.0 ± 0.5 (28.5) 0.44 ± 0.1 0.20 ± 0.03 Brass<br />
★ Measured at 120Hz, all others at 1kHz<br />
Application Circuits For External-Drive Oscillation Buzzer<br />
3kΩ 0.022µF<br />
CMOS LSI 1MΩ<br />
25mH<br />
Alarm<br />
2MΩ<br />
I 1<br />
0.022µF<br />
3kΩ<br />
.<br />
I I<br />
....<br />
I Driving<br />
n 1 n 2 n Circuit<br />
2200pF<br />
2MΩ<br />
I 3<br />
3kΩ 0.022µF<br />
Alarm<br />
Crystal<br />
Indicator<br />
(LCD)<br />
2MΩ<br />
Hex Inverter<br />
I 2<br />
Quad NAND gate<br />
Watch Circuit<br />
Ringing Circuit (for telephone)<br />
1MΩ<br />
0.001µF<br />
55mH<br />
120kΩ<br />
input<br />
I.C. Oscillation Circuit (without feedback)<br />
1kΩ<br />
Alarm<br />
NOTE: Wherever possible,<br />
the piezo devices should be<br />
capacitive coupled to avoid<br />
permanent DC bias and<br />
possible long term damage.<br />
9
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