MSR205NR

Alarms, Buzzers, And Sirens Overview

The MSR205NR is a piezoelectric audio indicator manufactured by Mallory Sonalert Products Inc. It operates on DC voltage with a rated input of 2VDC and 5VDC, drawing a current of 10mA. The device emits a single-tone signal at a frequency of 3.9kHz. It is housed in a compact package measuring 23mm by 11mm and utilizes PC pins for termination. The unit supports an operating temperature range from -40°C to 85°C.

Alarms, Buzzers, And Sirens Feature Summary

• Piezoelectric transduction technology for reliable acoustic output
• Single-tone signal generation capability
• Low power consumption design suitable for battery-operated systems

Alarms, Buzzers, And Sirens Applications

• General purpose status indication in electronic equipment
• Alarm signaling in industrial control panels
• Audio alerts in portable consumer devices

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific voltage rating requirements against the datasheet before integration, as the component supports both 2VDC and 5VDC inputs. Confirm that the PC pin termination style matches the target PCB layout. Ensure the operating environment remains within the specified -40°C to 85°C temperature range to maintain performance integrity and longevity of the piezoelectric element.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a low-profile, low-power audio alert is required. The 23x11mm form factor allows for installation in space-constrained enclosures. The dual voltage support provides flexibility in system design, allowing operation across different logic levels without additional driver circuitry for basic tone generation.

Alarms, Buzzers, And Sirens Part Context

The MSR205NR belongs to the MSR series of piezoelectric indicators from Mallory Sonalert. This series focuses on providing cost-effective, high-reliability audio solutions for various industrial and commercial applications. The series is characterized by its compact dimensions and robust construction, making it suitable for mass production environments requiring consistent acoustic performance.

Alarms, Buzzers, And Sirens FAQ

What is the operating frequency of the MSR205NR?

The MSR205NR operates at a frequency of 3.9kHz.

Does the MSR205NR support AC voltage input?

No, the MSR205NR is designed for DC voltage input only, specifically 2VDC and 5VDC.