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MB-V09-301-W(U) is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists Floyd Bell Inc. Its product description is BUZZER PIEZO 35.81MM PNL MNT. Review the specifications below when checking this part for your BOM.
The MB-V09-301-W(U) is an internally driven piezo buzzer from the AudioLarm II series. It operates on AC voltage within a range of 130 to 220V and draws 5 to 10mA. The device produces a continuous tone at a frequency of 2.9kHz with a sound pressure level of 95dB measured at 220V and 61cm distance. It features panel mount installation with wire leads, has an IP68 rating for dust tightness and waterproofing, and measures 35.81mm in diameter.
Verify that the application circuit supplies alternating current within the specified 130 to 220V range, as this component is not designed for DC input. Confirm that the mounting location meets IP68 requirements for dust and water exposure. Ensure the mechanical dimensions fit the panel cutout specifications. Check for RoHS compliance documentation if environmental regulations apply to the deployment site.
Select this model when a high-decibel continuous tone is required for AC-powered industrial applications. It is suitable for environments where moisture and dust resistance are critical operational factors. Consider the internal drive mechanism which simplifies wiring compared to externally driven alternatives. Evaluate the physical size constraints against the 35.81mm diameter requirement before finalizing the design.
This part belongs to the Floyd Bell AudioLarm II series, which specializes in robust audible signaling devices. The series includes various configurations for different voltage ranges and acoustic outputs. This specific variant is distinguished by its high-voltage AC operation and superior environmental sealing capabilities compared to standard indoor indicators.
Cross-reference with MB-V09-301-Q(F) for similar form factor but verify voltage compatibility differences. Ensure any substitute maintains the 2.9kHz frequency and 95dB output level. Confirm that replacement parts also offer IP68 ratings if environmental sealing is mandatory for the installation.
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