SR6438NWS-B79

Description：SPEAKER SMD
Series：-
Mfr：Knowles
Package：Bulk

SKU:0ad5a7afa331 Category: Speakers Brand: Knowles

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Product introduction

Product Detailed Parameters

Description：SPEAKER SMD
Series：-
Mfr：Knowles
Package：Bulk
Type：-
Technology：-
Impedance：-
Power - Max：-
Shape：-
Termination：-
Size / Dimension：-
Height - Seated (Max)：-
Frequency - Self Resonant：-
Efficiency - dBA：-
Efficiency - Testing：-
Efficiency - Type：-
Port Location：-
Material - Cone：-
Material - Magnet：-
Ingress Protection：-
Ratings：-
Frequency Range：-
Power - Rated：-

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SR6438NWS-B79

Overview

The Knowles SR6438NWS-B79 is a balanced armature receiver designed for audio applications. It features a round shape with a diameter of 6.4 mm and a depth of 4 mm. The component operates at a frequency of 1.264 kHz, delivering a sound pressure level of 109.5 dBA. Its impedance is 55.5 Ohms, and it utilizes solder pad termination for panel mounting. The device functions within a temperature range of 0 C to +63 C.

Feature Summary

Balanced armature transducer technology optimized for high-fidelity audio reproduction
Compact physical dimensions suitable for space-constrained wearable and earphone designs
Solder pad termination style facilitating direct integration into printed circuit boards

Applications

Earphones
Hearing aids
Wearable audio devices

Procurement Notes

Verify the specific suffix B79 against official Knowles documentation to confirm packaging and handling requirements. Ensure compatibility with panel mount installation methods. Check RoHS compliance status through manufacturer datasheets before finalizing procurement specifications for regulatory adherence.

Selection Notes

Select this component when high sensitivity and compact size are required for audio receivers. Consider the 55.5 Ohm impedance and 1.264 kHz operating frequency for circuit matching. Evaluate the thermal limits of 0 C to +63 C against environmental conditions. Confirm that the round 6.4 mm form factor fits the mechanical design constraints.

Part Context

This part belongs to the SR series of speakers and transducers from Knowles. It falls under the audio devices subcategory and is classified as a receiver type. The product line focuses on magnetic balanced armature technology for specialized audio output applications.