TM-23568-C36

Overview

The Knowles TM-23568-C36 is an omnidirectional electret microphone designed for surface mount technology (SMT) applications. It operates at a supply voltage of 1.3 V and draws a current of 50 uA. The device features a sensitivity of -36 dB and an impedance of 5.5 kohms. Its physical dimensions are 3.57 mm in length, 3.57 mm in width, and 2.21 mm in depth. The component is RoHS compliant and belongs to the TM/BTM series.

Feature Summary

• Omnidirectional acoustic response for uniform sound capture from all directions
• Surface mount construction suitable for automated PCB assembly processes
• Low power consumption operation optimized for battery-powered portable devices

Applications

• Mobile communication handsets
• Portable digital audio recorders
• Hands-free speakerphone systems

Procurement Notes

Verify the specific datasheet version for the TM-23568-C36 to confirm pinout compatibility and mechanical tolerances before integration. Ensure that the procurement source provides official documentation regarding RoHS compliance status and any recent process change notifications issued by Knowles Electronics. Cross-reference the ordering suffix with manufacturer specifications to guarantee the correct variant is acquired.

Selection Notes

Select this component when a compact, low-profile omnidirectional microphone is required for space-constrained designs. The 1.3 V operating voltage makes it suitable for modern low-voltage logic interfaces. Consider the -36 dB sensitivity level against ambient noise requirements in the target application environment. Verify that the SMD package dimensions fit within the available board real estate constraints.

Part Context

This microphone is part of the TM/BTM series produced by Knowles Electronics. The series focuses on providing reliable acoustic solutions for consumer electronics. The TM-23568-C36 specifically utilizes an electret condenser element housed in a small surface-mount package. This family of components is widely used in telecommunications and audio recording equipment requiring consistent performance.

Replacement Considerations

Official substitute part numbers are not explicitly confirmed in the provided public documentation. Consult the manufacturer's latest substitution guide or contact Knowles support directly to identify verified equivalent models. Do not assume cross-compatibility with other omnidirectional microphones without verifying electrical parameters and mechanical footprints.