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OBO Piezolectric Buzzer
SMD Piezo Buzzer

Obo Pro 2  logo
Model No.   Min. SPL@ Resonant
Frequency @10cm
Dimension
D(Φ)*H(mm)
*Self Drive type Min. SPL@ Resonant Frequency @10cm Dimension
D(Φ)*H(mm)
OBO-10252SA OBO-10252SA 70db at 5.2Khz/
5Vp-p Square Wave
10.0 * 10.0 * 3.0 OBO-15210 85db at 4.4±0.5Khz/9VDC 13.8 * 8.2
OBO-11241SB OBO-11241SB 75db at 4.1Khz/
5Vp-p Square Wave
11.0 *  9.0 *1.7 OBO-20C1-15 90db at 3.4±0.5Khz/9VDC 24.5 *12.0
OBO-12241SA OBO-12241SA 78db at 4.1Khz/
9Vp-p Square Wave
12.0 * 12.0 *2.5 OBO-20C3 83db at 3.8±0.5Khz/9VDC 24.0 *14.0
OBO-13240ST OBO-13240ST 80db at 4.0Khz
/9Vp-p Square Wave
13.0 * 13.0 *2.5 OBO-20C4 83db at 3.8±0.5Khz/9VDC 24.0 *14.0
OBO-14240ST OBO-14240ST 80db at 4.0Khz/
9Vp-p Square Wave
14.0 * 14.0 * 4.8 OBO-20C5 80db at 3.4±0.5Khz/9VDC 24.0 *9.5
OBO-15236SA OBO-15236SA 85db at 3.65Khz/
7Vp-p Square Wave
14.8 *14.8 * 7.0 OBO-20C6 80db at 3.4±0.5Khz/9VDC 24.0 *9.5
OBO-16240ST OBO-16240ST 75db at 4Khz/
5Vp-p Square Wave
16.0 * 20.0 * 2.5 OBO-20C7 83db at 3.4±0.5Khz/9VDC 24.0 *14.0
OBO-17240STB OBO-17240STB 82db at 4.0Khz/
9Vp-p Square Wave
17.5 * 5.0 OBO-20C9 93db at 3.4±0.5Khz/9VDC 24.5 *16.0