EFB-RL37C22

Alarms, Buzzers, And Sirens Overview

The Panasonic EFB-RL37C22 is an externally driven piezoelectric transducer buzzer designed for through-hole mounting. It operates at a rated voltage of 12 V DC and features a cylindrical body with a 30 mm diameter. The component generates sound pressure levels of 80 dB when measured at a distance of 10 cm under 12 V excitation. Its resonant frequency is specified at 3.7 kHz, ensuring distinct audio signaling in electronic circuits.

Alarms, Buzzers, And Sirens Feature Summary

• Externally driven piezoelectric transducer design
• Through-hole mounting configuration
• High sound pressure output capability

Alarms, Buzzers, And Sirens Applications

• Electronic alarm systems
• Audible notification devices
• Industrial control panel indicators

Alarms, Buzzers, And Sirens Procurement Notes

Verify the current product status as obsolete before initiating procurement. Confirm that alternative sourcing or lifecycle management strategies are in place. Ensure compatibility with existing driver circuitry for externally driven operation. Validate mechanical dimensions against the target PCB layout to accommodate the through-hole package.

Alarms, Buzzers, And Sirens Selection Notes

Select this component for applications requiring a robust, high-volume audible signal source. The 12 V rating suits standard logic-level power supplies. Consider the 3.7 kHz resonance for optimal acoustic efficiency. Evaluate the need for external driving circuits versus integrated active buzzers based on system complexity and cost constraints.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the Panasonic EFB series of piezoelectric buzzers. These components are characterized by their simple construction and reliability in industrial environments. The series typically offers various voltage and size options to meet diverse acoustic requirements.

Alarms, Buzzers, And Sirens Replacement Considerations

As the product status is listed as obsolete, direct replacements must be sourced from authorized distributors or secondary markets. Verify pinout and dimensional compatibility with existing designs. Consult manufacturer documentation for recommended end-of-life alternatives.