SM400608-2

Overview

The SM400608-2 is a round dynamic speaker manufactured by DB Unlimited, designed for flush mounting applications. It features an 8 Ohm impedance and a nominal power rating of 1 W, with some sources indicating a 500 mW rating. The unit utilizes solder pad termination methods and has a Mylar cone material. Physical dimensions include a 40 mm diameter and a height of 5.1 mm. Operational specifications cite a frequency range extending from 600 Hz or 850 Hz up to 6000 Hz or 20,000 Hz, with sound pressure levels reported at 90 dBA or 92 dBA.

Feature Summary

• Flush-mount design suitable for space-constrained enclosures
• Dust and splash resistant construction for durability
• Solder pad termination for direct circuit board integration

Applications

• General purpose audio output devices
• Industrial equipment requiring dust resistance
• Consumer electronics with limited internal volume

Procurement Notes

Verify the specific suffix variant against official datasheets, as performance metrics such as frequency range and power ratings vary between SM400608-1 and SM400608-2 models. Confirm physical compatibility and electrical requirements before procurement. Ensure the selected component matches the required environmental resistance standards for the intended deployment environment.

Selection Notes

Select this component based on its compact 40 mm diameter and low profile height. Evaluate the impedance match with the driving circuitry. Consider the environmental sealing capabilities if the application involves exposure to particulates or moisture. Compare the specific frequency response characteristics against the target audio reproduction requirements.

Part Context

This model belongs to the SM series of dynamic speakers from DB Unlimited. These components are categorized under general-purpose audio transducers. The series is characterized by small form factors and robust construction materials like Mylar cones, targeting embedded audio solutions in various electronic assemblies.

Replacement Considerations

SM400608-1 is a related model within the same series but exhibits different electrical parameters including distinct frequency ranges and sensitivity levels. Verify dimensional and electrical compatibility before substituting.