WP-25993-D63

Overview

The Knowles WP-25993-D63 is a two-wire electret microphone designed for noise-canceling applications. It features a sensitivity of -55 dBA and operates with a current rating of 300 uA at a supply voltage of 10 V. The device has an impedance of 2 kOhms and utilizes wire lead termination. Its physical dimensions are 5.56 mm in length, 3.99 mm in width, and 2.26 mm in depth. The component includes a 2.2 chip capacitor and is rated for RFI protection.

Feature Summary

• Two-wire interface configuration
• Noise-canceling directional characteristic
• Integrated 2.2 chip capacitor
• RFI rated construction

Applications

• Audio input devices requiring noise cancellation
• Communication equipment with RFI constraints
• Portable electronic audio modules

Procurement Notes

Verify the specific D63 suffix against official Knowles documentation to confirm the exact capacitor value and RFI rating specifications. Ensure compatibility with existing circuit designs regarding the 10 V operating voltage and 300 uA current consumption limits before integration.

Selection Notes

Select this component when a compact, two-wire microphone with integrated filtering is required. The fixed 2 kOhm impedance and -55 dBA sensitivity define the electrical interface requirements. Verify that the 5.56 x 3.99 mm form factor fits the target enclosure space.

Part Context

This part belongs to the Knowles WP series of microphones. The series typically offers various configurations for different mounting and electrical needs. The WP-25993-D63 specifically denotes a variant with defined physical dimensions and integrated passive components for direct circuit connection.

FAQ

What is the operating voltage for the WP-25993-D63?

The specified operating supply voltage is 10 V.

Does this microphone include internal capacitance?

Yes, it includes a 2.2 chip capacitor as part of its construction.