OBO

Drive Circuit Built-In Type

Feature:
Small size, light weight
Sound clear and thorough

Such products included internal drive line, users simply use the direct-current voltage(Vdc),For example, by power regulator or battery, positive and negative do not pick the wrong, the buzzer will beep

Model no. Spec. Dimension Download

OBO-15210

85db min. at 4.4±0.5Khz/DC 9V 13.8 dia. * 8.2mm

OBO-20C1-15

90db min. at 3.4±0.5Khz/DC 9V 24.5 dia. * 12mm

OBO-20C3

83db min. at 3.8±0.5Khz/DC 9V 24 dia. * 14mm

OBO-20C4

83db min. at 3.8±0.5Khz/DC 9V 24 dia. * 14mm

OBO-20C5

80db min. at 3.4±0.5Khz/DC 9V 24 dia. * 9.5mm

OBO-20C6

80db min. at 3.4±0.5Khz/DC 9V 24 dia. * 9.5mm

OBO-20C7

93db min. at 3.4±0.5Khz/DC 9V 24 dia. * 14mm

OBO-20C9

93db min. at 3.4±0.5Khz/DC 9V 24.5 dia. * 16mm

OBO-27C0

97db min. at 3.5±0.5Khz/DC 9V 31 dia. * 14mm

OBO-27C1

83db min. at 2.5±0.5Khz/DC 9V 30 dia. * 15.5mm

OBO-27C2

87db min. at 3.5±0.5Khz/DC 9V 30 dia. * 15.5mm

OBO-27C3

80db min. at 2.5±0.5Khz/DC 9V 31 dia. * 10mm

OBO-27C4

85db min. at 3.5±0.5Khz/DC 9V 31 dia. * 10mm

OBO-27C8

87db min. at 3.5±0.5Khz/DC 9V 30 dia. * 15.5mm

OBO-27C9

87db min. at 3.5±0.5Khz/DC 9V 31 dia. * 14mm

OBO-27P1

85db min. at 3.4±0.5Khz/DC 9V 31 dia. * 14mm

OBO-27P2

87db min. at 3.4±0.5Khz/DC 9V 30 dia. * 15.5mm

OBO-35C1

88db min. at 2.8±0.5Khz/DC 9V 42 dia. * 16mm

OBO-35C2

97db min. at 2.8±0.5Khz/DC 9V 42 dia. * 16mm

OBO-35C3

88db min. at 2.8±0.5Khz/DC 9V 42 dia. * 16.5mm

OBO-35C4

100db min. at 2.8±0.5Khz/DC 9V 42 dia. * 16.5mm

OBO-35C5

103db min. at 2.8±0.5Khz/DC 9V 42 dia. * 25.5mm

OBO-35D1

97db min. at 2.9/3.05Khz/DC 9V 42 dia. * 16mm

OBO-35P2

93db min. at 2.6±0.5Khz/DC 9V 42 dia. * 16mm

 

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