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OBO Piezoelectric Buzzer
External Drive Type

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-11250PA/PB OBO-11250PA/PB 80db at 5.0Khz/
9Vp-p Square Wave
10.5* 4.0 OBO-27C0 97db at 3.5±0.5Khz/9VDC 31.0*14.0
OBO-11250WA OBO-11250WA 80db at 5.0Khz/
9Vp-p Square Wave
10.5*3.0 OBO-27C1 83db at 2.5±0.5Khz/9VDC 30.0*15.5
OBO-13240PA OBO-13240PA 80db at 4.0Khz/
9Vp-p Square Wave
12.6*7.0 OBO-27C2 87db at 3.5±0.5Khz/9VDC 30.0*15.5
OBO-152 OBO-152 80db at 4.0Khz
/9Vp-p Square Wave
16.5*3.6 OBO-27C3 80db at 2.5±0.5Khz/9VDC 31.0*10.0
OBO-14240PA/PB/PC OBO-14240PA/PB/PC 80db at 4.0Khz/
9Vp-p Square Wave
14.0*7.5 OBO-27C4 85db at 3.5±0.5Khz/9VDC 31.0*10.0
OBO-14240WA OBO-14240WA 80db at 4.0Khz/
9Vp-p Square Wave
13.8*4.0 OBO-27C8 87db at 3.5±0.5Khz/9VDC 30.0*15.5
OBO-15230 OBO-15230 80db at 3.5Khz/
9Vp-p Square Wave
14.0*7.5 OBO-27C9 87db at 3.5±0.5Khz/9VDC 31.0*14.0
OBO-15240PA/PB OBO-15240PA/PB 80db at 4.0Khz/
9Vp-p Square Wave
17.0*8.0 OBO-27P1 85db at 3.4±0.5Khz/9VDC 31.0*14.0
OBO-20205PA/PB OBO-20205PA/PB 85db at 4.0Khz/
9Vp-p Square Wave
22.0*8.0 OBO-27P2 87db at 3.4±0.5Khz/9VDC 30.0*15.5
OBO-22220PA/PB OBO-22220PA/PB 80db at 2.0Khz/
9Vp-p Square Wave
22.0*12.0 OBO-35C1 88db at 2.8±0.5Khz/9VDC 42.0*16.0
OBO-22240PA/PB OBO-22240PA/PB 90db at 4.0Khz/
9Vp-p Square Wave
22.0*12.0 OBO-35C2 97db at 2.8±0.5Khz/9VDC 42.0*16.0
OBO-25220 OBO-25220 80db at 2.0Khz/
9Vp-p Square Wave
22.0*9.2 OBO-35C3 88db at 2.8±0.5Khz/9VDC 42.0*16.5
OBO-272 OBO-272 90db at 4.4Khz/
9Vp-p Square Wave
30.0*5.5 OBO-35C4 100db at 2.8±0.5Khz/9VDC 42.0*16.5
OBO-27225 OBO-27225 85db at 2.5Khz/
9Vp-p Square Wave
30.0*11.2 OBO-35C5 103db at 2.8±0.5Khz/9VDC 42.0*25.5
OBO-27246 OBO-27246 90db at 4.4Khz/
9Vp-p Square Wave
30.0*5.1 OBO-35D1 97db at 2.9/3.05Khz/9VDC 42.0*16.0
OBO-352 OBO-352 90db at 2.5Khz/
9Vp-p Square Wave
42.0*16.0 OBO-35P2 93db at 2.6±0.5Khz/9VDC 42.0*16.0