BT-21759-000

Overview

The Knowles BT-21759-000 is a microphone component belonging to the MR series. It features an impedance of 3.5 kOhms and a sensitivity of -61.5 dB. The device operates on a supply voltage of 1.3 VDC. Physical dimensions include a diameter of 18.974 mm and a depth of 7.595 mm. It utilizes wire lead termination with a 200mm cable length.

Feature Summary

• Integrated 200mm cable for direct wiring connectivity
• Compact cylindrical housing design
• Low voltage operation capability

Applications

• Audio input devices requiring wired connections
• Embedded microphone assemblies
• Voice capture modules

Procurement Notes

Verify the specific model designation against official Knowles documentation to ensure compatibility with system requirements. Confirm that the 1.3 VDC operating voltage aligns with the target circuit design. Check for any end-of-life notifications or discontinuance updates from the manufacturer prior to finalizing procurement plans.

Selection Notes

Select this component when a pre-wired microphone solution is required to simplify assembly processes. Ensure the mechanical envelope fits within the designated space constraints given the specific diameter and depth. Verify that the audio performance characteristics meet the intended application standards.

Part Context

This part is part of the Knowles MR series microphones, designed for audio applications. It represents a specialized audio transducer offering integrated cabling for ease of integration into electronic systems requiring voice input capabilities.

Replacement Considerations

Consult official Knowles documentation for verified substitute part numbers. Do not assume cross-compatibility with other microphone models without verifying electrical and mechanical specifications.