TM-24547-C36

Overview

The Knowles TM-24547-C36 is a subminiature omnidirectional electret condenser microphone designed for analog audio applications. It features a square footprint measuring 3.57 mm x 3.57 mm with a maximum height of 1.7 mm. The device operates at a rated voltage of 1.3 V, with a functional range of 0.9 V to 1.6 V, and draws a supply current of 50 µA. Key electrical specifications include an impedance of 4.4 kOhms and a sensitivity of -58.5 dBA. The frequency response spans from 70 Hz to 7.3 kHz, ensuring broad acoustic coverage.

Feature Summary

• Subminiature form factor suitable for space-constrained portable electronics
• Omnidirectional polar pattern for uniform sound capture from all angles
• Analog output interface compatible with standard preamplifier circuits

Applications

• Mobile communication devices
• Portable consumer electronics
• Voice recording equipment

Procurement Notes

Verify the specific datasheet version and RoHS compliance status before integration, as manufacturing updates may occur. Confirm that the physical dimensions and pinout align with your PCB layout constraints. Ensure the operating voltage requirements match your system's power supply rails to guarantee optimal performance and longevity of the component.

Selection Notes

Select this model when a compact, low-power omnidirectional microphone is required for analog signal processing. Compare sensitivity and frequency response against alternative models if high-fidelity audio capture is critical. Consider the mechanical mounting options and environmental sealing requirements for the intended application environment.

Part Context

This component belongs to the Knowles subminiature electret microphone series, which focuses on miniaturization without compromising acoustic performance. These microphones are widely used in the audio industry for their reliability and consistent quality in small form factors.

Replacement Considerations

Direct substitutes may include other Knowles EM or TM series variants with similar dimensions and electrical characteristics. Verify compatibility regarding sensitivity, impedance, and package size before swapping components.