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ED-27156-P102 is listed in the Speakers range at ChipApex. The manufacturer field lists Knowles. Its product description is SPEAKER SMD. Review the specifications below when checking this part for your BOM.
Speakers specifications for ED-27156-P102
- Description：SPEAKER SMD
- Series：ED
- Mfr：Knowles
- Package：Tray
- Type：Receiver, Balanced Armature
- Technology：Magnetic
- Impedance：-
- Power - Max：-
- Shape：-
- Termination：-
- Size / Dimension：-
- Height - Seated (Max)：-
- Frequency - Self Resonant：-
- Efficiency - dBA：-
- Efficiency - Testing：-
- Efficiency - Type：-
- Port Location：-
- Material - Cone：-
- Material - Magnet：-
- Ingress Protection：-
- Ratings：-
- Frequency Range：-
- Power - Rated：-
Speakers datasheet and documents for ED-27156-P102
Speakers Overview
The ED-27156-P102 is a balanced armature receiver manufactured by Knowles, designed for high-power hearing aid applications. It features a medium direct current resistance to impedance ratio and utilizes board mount installation with solder pad termination. The component measures 6.3 mm in length, 4.29 mm in width, and 3 mm in depth, weighing 2.644 g. Key electrical specifications include a resonant frequency of 4 kHz, an acoustic output level of 102.5 dBA, and an impedance of 128 Ohms.
Speakers Feature Summary
- Engineered specifically for high-power hearing aid environments
- Balanced armature transducer technology for audio reception
- Medium direct current resistance to impedance ratio configuration
Speakers Applications
- High-power hearing aids
- Medical audio receivers
- Compact wearable audio devices
Speakers Procurement Notes
Verify the specific suffix P102 against official Knowles documentation to confirm exact tolerances and packaging details. Ensure compatibility with existing hearing aid form factors. Confirm RoHS compliance status through the latest manufacturer datasheet before integration into regulated medical device assemblies.
Speakers Selection Notes
Select this component when a balanced armature receiver with a 128 Ohm impedance is required for high-power hearing aid designs. The 4 kHz frequency response and 102.5 dBA sensitivity suit standard audio reproduction needs. The compact 6.3 x 4.29 mm footprint allows for integration into space-constrained medical earpieces.
Speakers Part Context
This part belongs to the ED/FED series of balanced armature speakers from Knowles. It shares physical dimensions with other models in the family but is distinguished by its specific impedance and power handling characteristics tailored for hearing aid use cases.
Speakers Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify mechanical and electrical equivalence with any alternative components before implementation.
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