EFB-RL37C20

Alarms, Buzzers, And Sirens Overview

The EFB-RL37C20 is a piezoelectric buzzer manufactured by Panasonic Electronic Components. It operates at a rated voltage of 12 VDC and produces a sound pressure level of 106 dB. The device features a 30 mm diameter and utilizes a three-terminal configuration for connection. Designed for through-hole mounting, this component belongs to the EFB series. It is currently classified as obsolete and no longer in active production.

Alarms, Buzzers, And Sirens Feature Summary

• Piezoelectric acoustic generation mechanism
• Three-terminal electrical interface design
• Through-hole mounting capability

Alarms, Buzzers, And Sirens Applications

• Alarm systems
• Audible signaling devices
• Industrial equipment indicators

Alarms, Buzzers, And Sirens Procurement Notes

This component is officially marked as obsolete by the manufacturer. Verify availability with authorized distributors or seek qualified replacement parts from current product lines. Ensure compatibility with existing circuit designs when sourcing alternatives.

Alarms, Buzzers, And Sirens Selection Notes

Consider the 12V DC requirement and 106 dB output when designing circuits. The three-terminal configuration requires specific driving logic. Due to obsolescence, evaluate long-term supply chain stability and transition plans for new designs.

Alarms, Buzzers, And Sirens Part Context

Part of the Panasonic EFB series of piezoelectric buzzers. This series typically offers reliable acoustic performance for general-purpose signaling applications. The EFB-RL37C20 represents a specific variant within this family characterized by its 12V rating and 30mm size.

Alarms, Buzzers, And Sirens Replacement Considerations

Official substitutes are not explicitly listed in the provided documentation. Consult Panasonic's official substitution guides or contact technical support for recommended equivalent components from current production lines.