The DB-E38 Piezo Buzzer is a high-output self-driven audible signalling device designed for industrial equipment, alarm systems, security applications, automation controls, emergency warning systems, and commercial electronic equipment. Operating from a 12V DC power supply, this piezoelectric buzzer produces a powerful single-tone output at 2900Hz, delivering an impressive 105dB sound output at 30cm for maximum audibility.
With a current consumption of 35mA, the DB-E38 provides outstanding acoustic performance while maintaining efficient power usage. Its integrated oscillator allows for direct connection to a 12V DC supply without requiring an external drive circuit, simplifying installation and reducing component count.
The buzzer features a durable 45mm round housing with lead wire termination, making it easy to install in control panels, alarm equipment, machinery, security systems, and custom electronic projects. Its robust construction ensures reliable long-term operation in demanding commercial and industrial environments.
The DB-E38 is an excellent choice for applications requiring a loud and dependable audible warning, including industrial machinery, fire and security systems, automation equipment, medical devices, and OEM electronic products.
Features
- Self-driven piezoelectric buzzer
- Operates from a 12V DC power supply
- Very loud 105dB sound output at 30cm
- Single-tone output at 2900Hz
- Lead wire termination for easy installation
- Durable round housing
- Built-in oscillator for direct DC operation
- Reliable maintenance-free operation
- Suitable for industrial and commercial applications
- Long service life
Specifications
- Part Number: DB-E38
- Product Type: Piezoelectric Buzzer
- Drive Type: Self-Driven
- Shape: Round
- Housing Colour: White
- Operating Voltage: 12V DC
- Voltage Type: DC
- Current Consumption: 35mA
- Sound Output: 105dB at 30cm
- Frequency: 2900Hz
- Tone Type: Single Tone
- Termination: Lead Wire
- Face Diameter: 45mm
- Height: 26mm
Applications
- Industrial alarm systems
- Security and access control systems
- Fire alarm equipment
- Machine warning systems
- Industrial automation
- Electrical control panels
- Emergency notification systems
- Medical equipment
- OEM electronic equipment
- Commercial and DIY electronics projects
What's in the box
1 x DB-E38 45mm Piezo Buzzer 12VDC 105dB Leaded Single Tone White
