SP400204-2

Overview

The DB Unlimited SP400204-2 is a piezoelectric buzzer designed for audible signaling applications. It operates on direct current voltage and utilizes a ceramic resonator element to generate sound pressure levels suitable for consumer electronics and industrial equipment. The component features a compact form factor with specific mounting dimensions, allowing for integration into space-constrained enclosures. Electrical characteristics include a nominal operating voltage and impedance values that define its power consumption and drive requirements. The device is engineered for reliability in standard environmental conditions.

Feature Summary

• Piezoelectric sound generation mechanism
• Compact surface-mount or through-hole design options
• Direct DC drive capability without external oscillators

Applications

• Consumer appliance status indicators
• Industrial control panel alarms
• Automotive interior warning systems

Procurement Notes

Verify the exact electrical specifications such as operating voltage and frequency against the manufacturer's latest datasheet before procurement. Ensure compatibility with the target PCB layout regarding footprint dimensions and terminal configuration. Confirm environmental ratings if the application involves extreme temperatures or humidity. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component based on required sound pressure level and physical size constraints. Evaluate the driving circuitry to ensure it can supply the necessary current at the specified voltage. Consider the acoustic environment of the final assembly to determine if additional housing or waveguides are needed. Compare alternative models from the same series for variations in voltage tolerance or frequency response.

Part Context

DB Unlimited specializes in piezoelectric transducers and buzzers for various electronic industries. The SP400204 series represents their line of compact signaling devices. This specific model is part of a broader portfolio aimed at providing reliable audio feedback solutions. The company focuses on manufacturing components that meet international quality standards for durability and performance consistency.

Replacement Considerations

Check for pin-compatible alternatives within the DB Unlimited catalog or other manufacturers offering similar piezoelectric buzzers. Verify that substitute parts match the original voltage, frequency, and mechanical dimensions. Ensure that any replacement maintains the same acoustic output characteristics and mounting style.