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Product Detailed Parameters
- Description：SPEAKER 124OHM TOP PORT 95DB
- Series：WBFK
- Mfr：Knowles
- Package：Tray
- Type：Receiver, Balanced Armature
- Technology：Magnetic
- Impedance：124 Ohms
- Power - Max：-
- Shape：Rectangular
- Termination：Solder Pads
- Size / Dimension：0.197" L x 0.108" W (5.00mm x 2.73mm)
- Height - Seated (Max)：0.260" (6.60mm)
- Frequency - Self Resonant：-
- Efficiency - dBA：95
- Efficiency - Testing：-
- Efficiency - Type：Sound Pressure Level (SPL)
- Port Location：Top
- Material - Cone：-
- Material - Magnet：-
- Ingress Protection：-
- Ratings：-
- Frequency Range：200 Hz ~ 6.8 kHz
- Power - Rated：-
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Overview
The WBFK-30000-000 is a wideband balanced armature receiver manufactured by Knowles. It features a rectangular shape with panel mount installation and solder pad termination. The component operates within a frequency range of 200 Hz to 6.8 kHz, delivering a sound pressure level of 95 dBA. Key electrical specifications include an impedance of 124 ohms. Physical dimensions are approximately 5 mm in length, 2.73 mm in width, and 1.93 mm in depth. The unit supports operating temperatures from 0°C to +63°C.
Feature Summary
- Wideband frequency response for broad audio reproduction
- Balanced armature technology for high efficiency and stability
- Rectangular form factor suitable for compact panel mounting
Applications
- Hearing aid receivers
- Medical diagnostic equipment
- Industrial communication devices
Procurement Notes
Verify the specific datasheet version and manufacturer documentation before procurement. Confirm that the 124-ohm impedance and 95 dBA sensitivity align with system requirements. Ensure panel mount compatibility and solder pad termination methods match the assembly process. Cross-reference official Knowles specifications to validate performance parameters against application needs.
Selection Notes
Select this component when a wideband balanced armature receiver is required for panel-mounted applications. Consider the 124-ohm impedance and 95 dBA output level for signal chain matching. Evaluate the rectangular physical dimensions for enclosure fitment. Verify temperature range suitability for the intended operational environment.
Part Context
This part belongs to the Knowles balanced armature receiver family, utilizing magnetic technology for reliability. It is designed as a direct replacement or upgrade for standard narrowband receivers where wider frequency coverage is necessary. The product status is listed as preferred by the manufacturer.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Consult official Knowles documentation for qualified alternatives.
