BK-21613-000

Overview

The Knowles BK-21613-000 is a balanced armature receiver designed for surface mount board integration. It features a rectangular form factor with solder pad termination. The component operates at a resonant frequency of 4 kHz and delivers a sound pressure level of 118 dBA. It presents an electrical impedance of 1.2 kOhms. Physical dimensions are specified as 7.87 mm in length, 5.59 mm in width, and 4 mm in depth.

Feature Summary

• Balanced armature transducer architecture
• Rectangular surface mount package design
• Solder pad termination configuration

Applications

• Audio signal reception
• Transducer integration
• Board-mounted audio devices

Procurement Notes

Verify current availability status directly with the manufacturer or authorized distributors, as supply constraints may apply. Confirm RoHS compliance details through official documentation before finalizing procurement plans. Ensure ordering quantities align with specific factory packaging requirements to avoid handling discrepancies during assembly.

Selection Notes

Select this component when high acoustic output is required within a compact rectangular footprint. The 1.2 kOhm impedance specification dictates compatible driver circuitry requirements. Verify that the 4 kHz operating frequency aligns with the target application's acoustic performance needs and mechanical mounting constraints.

Part Context

This part belongs to the BK series of speakers and transducers manufactured by Knowles. It falls under the broader category of audio devices and receivers. The product utilizes a balanced armature technology suitable for specialized audio applications requiring precise sound reproduction in constrained spaces.

Replacement Considerations

No public substitute part numbers are confirmed for this component.