BXTM-26747-D53

Overview

The Knowles BXTM-26747-D53 is an active electret condenser microphone belonging to the BXTM series. It features an omnidirectional polar pattern with a frequency range of 100 Hz to 9.5 kHz. The device operates at a rated voltage of 1.1 V and draws a current rating of 75 uA. Its impedance is specified at 5.25 kOhms, and it provides an output sensitivity of -55.5 dB. The physical dimensions are 3.57 mm x 3.57 mm.

Feature Summary

• Omnidirectional acoustic design for uniform sound capture
• Analog output signal generation via electret condenser technology
• Low power consumption suitable for battery-operated devices

Applications

• Voice capture in portable electronic devices
• General audio input for consumer electronics
• Embedded microphone solutions in compact hardware

Procurement Notes

Verify component authenticity through authorized Knowles distributors or certified suppliers. Confirm that the received units match the specific BXTM-26747-D53 designation and series requirements. Ensure handling procedures comply with electrostatic discharge standards during installation to maintain performance integrity.

Selection Notes

Select this component when an omnidirectional analog microphone is required for voice applications. Consider the 1.1 V operating voltage and 75 uA current draw for power budgeting. The 3.57 mm footprint fits tight spatial constraints. Verify interface compatibility with the target circuit's input impedance and biasing requirements.

Part Context

This microphone is part of the Knowles BXTM series, which focuses on compact electret condenser designs. The series targets applications requiring reliable analog audio pickup in small form factors. The BXTM-26747-D53 variant specifically offers standard omnidirectional characteristics within this product line.

Replacement Considerations

Consult official Knowles documentation for direct cross-references. Verify electrical parameters such as impedance, voltage, and sensitivity against potential substitutes to ensure functional equivalence in the existing circuit design.