EM-26334-C53

Microphones Overview

The EM-26334-C53 is an analog omnidirectional electret condenser microphone manufactured by Knowles. It operates within a frequency range of 100 Hz to 5.5 kHz and features a sensitivity of -52dB ±3dB at 74dB SPL. The device requires a supply voltage between 0.9 V and 1.6 V, with a rated voltage of 1.3 V and a typical supply current of 50 µA. It presents an impedance of 4.4 kOhms and utilizes a pad termination style. The physical dimensions are 3.57 mm in length and width, with a maximum height of 2.28 mm.

Microphones Feature Summary

• Omnidirectional acoustic pickup pattern for uniform sound capture from all directions
• Analog output signal generation via integrated electret condenser element
• Low power consumption suitable for battery-operated portable devices
• Side-port design allowing flexible orientation during PCB assembly

Microphones Applications

• Portable consumer audio recording devices
• Voice recognition systems requiring low-power microphones
• Handset communication modules
• General-purpose analog audio input circuits

Microphones Procurement Notes

Verify the specific suffix C53 against the manufacturer's latest datasheet to confirm pinout and sensitivity tolerances. Ensure the procurement channel provides original packaging documentation. Confirm RoHS compliance status as indicated in official specifications before finalizing orders.

Microphones Selection Notes

Select this component when an omnidirectional response is required for general voice capture. The low operating voltage and current make it appropriate for energy-constrained applications. Verify that the target circuit can accommodate the specified 4.4 kOhm impedance and analog output requirements without additional amplification constraints.

Microphones Part Context

This microphone belongs to the EM series produced by Knowles, which focuses on compact audio transducers. The EM-26334-C53 represents a standard analog solution within this lineup, designed for integration into space-limited electronic assemblies where consistent acoustic performance is prioritized over digital interface capabilities.

Microphones Replacement Considerations

Consult official substitution lists for compatible omnidirectional electret microphones with matching electrical characteristics. Verify dimensional compatibility for the 3.57 mm x 3.57 mm footprint and 2.28 mm height constraint before integrating alternative parts.