CST-911AP

Alarms, Buzzers, And Sirens Overview

The CST-911AP is an externally driven magnetic audio transducer designed for through-hole mounting. It features a 9 mm round form factor with a depth of 4.5 mm and utilizes PC pins for connection. The device operates at a resonant frequency of 2.73 kHz, drawing a current of 80 mA. It delivers a sound pressure level of 85 dB when driven by a peak-to-peak voltage of 1.5 V. The unit is rated for an operating temperature range between -20°C and 60°C.

Alarms, Buzzers, And Sirens Feature Summary

• Externally driven electromagnetic design
• Through-hole PC pin termination
• Compact 9 mm diameter housing

Alarms, Buzzers, And Sirens Applications

• General purpose audible signaling
• Electronic equipment status indication
• Alarm systems requiring low profile mounting

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific ordering suffix to ensure correct packaging configuration, as tray quantities may vary. Confirm that the through-hole footprint matches the target PCB layout dimensions. Ensure the driving circuit can supply the required 80 mA current at the specified voltage levels to achieve the rated acoustic output without exceeding thermal limits within the defined operating temperature range.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a compact, low-profile buzzer is required for through-hole assembly. The 2.73 kHz frequency provides a distinct audible tone suitable for general alerts. Consider the 85 dB acoustic output relative to the enclosure size and ambient noise conditions. Verify that the external drive signal can provide the necessary peak-to-peak voltage to activate the magnetic transducer effectively.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the Same Sky (formerly CUI Devices) line of audio transducers. The manufacturer specializes in electromechanical components including buzzers, microphones, and speakers. The CST series offers various form factors and acoustic outputs for different signaling applications across consumer and industrial electronics sectors.

Alarms, Buzzers, And Sirens Replacement Considerations

Consult official cross-reference tools for equivalent parts from other manufacturers. Ensure any substitute matches the 9 mm diameter, 2.73 kHz frequency, and through-hole pin configuration. Verify that alternative components meet the same electrical requirements and environmental ratings.