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EF-31702-000 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 EF-31702-000
- Description：SPEAKER SMD
- Series：EF
- 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 EF-31702-000
Speakers Overview
The Knowles EF-31702-000 is a surface-mount balanced armature receiver speaker engineered for high-power hearing aid applications. It features a medium DC resistance to impedance ratio, providing acoustic performance comparable to standard EF-sized receivers while accommodating higher power demands. Designed for miniaturized medical devices, this component ensures reliable audio transmission in compact form factors suitable for modern hearing assistance technology.
Speakers Feature Summary
- Balanced armature transducer design optimized for high-fidelity audio reproduction
- Surface-mount construction facilitating automated assembly processes
- Medium DC resistance to impedance ratio configuration for specific power handling
Speakers Applications
- High-power hearing aids
- Miniaturized medical audio devices
- Compact hearing assistance systems
Speakers Procurement Notes
Verify the exact part number against official Knowles documentation to confirm specifications. Ensure compatibility with existing circuit designs regarding impedance and power requirements. Check for RoHS compliance status if required by your manufacturing standards. Confirm package type matches your PCB footprint requirements before ordering.
Speakers Selection Notes
Select this component when a standard EF-sized receiver requires higher power handling capabilities without increasing physical dimensions. Consider the medium DCR to impedance ratio for matching amplifier outputs. Evaluate space constraints within the hearing aid housing to ensure the SMD package fits the designated area.
Speakers Part Context
Knowles specializes in high-performance micro-acoustic components, including balanced armature speakers for demanding medical applications. The EF series represents their established line of receiver solutions. This specific model extends that lineage by addressing power limitations found in smaller form factors, serving the medtech market's need for compact yet robust audio output devices.
Speakers Replacement Considerations
Identify equivalent parts based on physical dimensions, impedance characteristics, and acoustic output levels. Verify that substitute components maintain the same balanced armature architecture and surface-mount compatibility. Cross-reference datasheets to ensure electrical parameters align with the original design intent.
Explore related parts through Audio Products, all product categories, ChipApex homepage.
