2403 260 00165

Overview

The Knowles 2403 260 00165 is a rectangular, top-ported speaker featuring an 8-ohm impedance and a 700 mW power rating. It delivers a sound pressure level of 94 dB with a frequency response spanning 300 Hz to 20 kHz. The unit utilizes a polyether ether ketone (PEEK) diaphragm and an Nd-Fe-B magnet. Its physical dimensions are 16.00 mm in length, 9.00 mm in width, and a maximum height of 3.00 mm.

Feature Summary

• Rectangular form factor with top porting for directional acoustic output
• Polyether ether ketone (PEEK) diaphragm construction for durability
• Neodymium iron boron (Nd-Fe-B) magnetic system

Applications

• General purpose audio transduction
• Portable electronic devices requiring compact speakers
• Industrial equipment with space constraints

Procurement Notes

Verify component status as the datasheet indicates discontinuance. Confirm availability through authorized distributors or secondary markets. Ensure compatibility with existing PCB layouts and acoustic enclosures before procurement. Check for RoHS compliance documentation if required by specific regulatory standards.

Selection Notes

Select this model for applications requiring a high-efficiency 94 dB SPL in a small rectangular footprint. The PEEK diaphragm offers robust performance compared to standard plastic alternatives. Consider the 8-ohm impedance for matching with common amplifier outputs. Evaluate the top-port design against enclosure requirements for optimal sound projection.

Part Context

This component belongs to the Knowles Wildcat S9 series of miniature speakers. The series is designed for integration into compact consumer electronics and industrial devices where size and acoustic efficiency are critical. The rectangular shape allows for efficient use of board real estate compared to circular counterparts.

FAQ

What material is used for the diaphragm?

The diaphragm is constructed from polyether ether ketone (PEEK).

What is the self-resonant frequency?

The self-resonant frequency is 510 Hz.