U0066040NP004AR

Overview

The Stetron U0066040NP004AR is a general-purpose loudspeaker with a 66mm diameter and 14.9mm height. It features a 40 Ohms impedance (±15%) and handles 0.5W power. The frequency range spans 320 Hz to 5 kHz, with a self-resonant frequency of 320Hz. Efficiency is rated at 94 dBA. Designed for top round mounting, it serves applications requiring reliable audio output in compact spaces.

Feature Summary

• General purpose audio reproduction capability
• Compact physical profile suitable for tight enclosures
• Standard impedance matching for common driver circuits

Applications

• Nurse call systems
• Patient monitoring equipment
• Medical devices

Procurement Notes

Verify the exact part number against manufacturer documentation to ensure compatibility with specific medical or industrial designs. Confirm impedance and power ratings match system requirements before integration. Check RoHS compliance status if required by regional regulations. Ensure mounting dimensions align with chassis specifications.

Selection Notes

Select this component when a 66mm diameter speaker is required for medical or general purpose audio. Consider the 40 Ohm impedance and 0.5W power handling for circuit design. Evaluate the 320 Hz to 5 kHz frequency response against application needs. Verify physical constraints allow for the 14.9mm height.

Part Context

This model belongs to Stetron's loudspeaker lineup, specifically designed for embedded audio solutions. It shares dimensional similarities with other 66mm series units but differs in impedance and power specifications. The product line targets healthcare and industrial sectors where reliability and standard form factors are prioritized.

Replacement Considerations

Check for direct substitutes within the Stetron U00 series. Verify that any replacement matches the 66mm diameter, 40 Ohm impedance, and 0.5W power rating. Ensure frequency response and SPL characteristics are comparable for equivalent performance.