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OBO Pro.2 electromagnetic buzzers weigh only 0.5g

Posted: 08 Feb 2002 ?? ?Print Version ?Bookmark and Share

Keywords:obo pro.2? electromagnetic buzzer? buzzer? obo 25al1? obo 30al1?

The OBO-25AL1, OBO-30AL1 and OBO-20AL1 electromagnetic buzzers are small SMDs that are designed for use in PDAs, IA products, mobile phones, digital cameras and security alarms. These rectangular and square devices weigh only 0.5g, compared to the 2g of comparable traditional buzzers.

The OBO-25AL1 features dimensions of 8-by-8-by-2.5mm (10.2mm); OBO-30AL1 measures 8.5-by-8.5-by-3mm (10.2mm); and OBO-20AL1, 12-by-12-by-10mm (10.2mm).

The buzzers have a 3Vdc, 80mA to 90mA rating, 2V to 4V operating voltage, and 16-ohm (13 ohms) coil resistance. They deliver 90dB sound pressure at 10cm. Resonant frequency is rated at 2.3kHz.

Operating temperature ranges from -300C to 700C, while storage temperature is from -400C to 850C.

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