BK-21610-000

Overview

The Knowles BK-21610-000 is a balanced armature receiver designed for board mount applications. It features a rectangular package with an impedance of 145 Ω and a sound pressure level of 119.75 dBA. The operational frequency range spans from 200 Hz to 4 kHz. The component has a maximum seated height of 0.310 inches (7.87 mm). This transducer is engineered for high-efficiency audio output in compact electronic devices requiring precise sound reproduction.

Feature Summary

• Balanced armature technology for high-fidelity audio performance
• Board mount configuration for direct integration into circuit boards
• Rectangular package design optimized for space-constrained environments

Applications

• Hearing aids
• Medical diagnostic equipment
• Industrial communication devices

Procurement Notes

Verify the specific datasheet version provided by the manufacturer or authorized distributor to ensure compliance with current engineering specifications. Confirm that the 145 Ω impedance and 119.75 dBA sensitivity ratings align with the target system requirements before finalizing procurement orders. Cross-reference the part number BK-21610-000 with official Knowles documentation to validate authenticity and technical accuracy.

Selection Notes

Select this component when a balanced armature receiver with a 145 Ω impedance is required for board-mounted applications. Ensure the design accommodates the 0.310-inch maximum height and rectangular form factor. Verify that the 200 Hz to 4 kHz frequency response meets the acoustic needs of the end product, particularly for hearing aid or medical device implementations where clarity and efficiency are critical.

Part Context

The BK-21610-000 belongs to Knowles' portfolio of balanced armature receivers, which are widely utilized in hearing aids and other small audio transducers. These components are known for their high sensitivity and compact size, making them suitable for portable and wearable electronics. The model represents a standard offering in Knowles' board-mount series, focusing on reliable performance in professional audio and medical applications.

Replacement Considerations

Consult official Knowles documentation for verified substitute part numbers. Do not assume compatibility based on generic specifications alone.