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Product Detailed Parameters
- Description：SPEAKER 25MM 2W 4OHM 650HZ 90DB
- Series：SMS
- Mfr：PUI Audio, Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Technology：Magnetic
- Impedance：4 Ohms
- Power - Max：2.5 W
- Shape：Square
- Termination：Solder Pads
- Size / Dimension：0.984" L x 0.984" W (25.00mm x 25.00mm)
- Height - Seated (Max)：0.268" (6.80mm)
- Frequency - Self Resonant：650Hz
- Efficiency - dBA：90
- Efficiency - Testing：1W/100mm
- Efficiency - Type：Sound Pressure Level (SPL)
- Port Location：Top
- Material - Cone：Polyester
- Material - Magnet：SmCo
- Ingress Protection：IP67 - Dust Tight, Waterproof
- Ratings：-
- Frequency Range：650 Hz ~ 20 kHz
- Power - Rated：2 W
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Overview
The SMS-2504MS-WP-HT is a surface-mount electromagnetic speaker manufactured by PUI Audio. It features a 25mm diameter design with a maximum power rating of 2.5W. The component utilizes a Mylar cone and Neodymium Iron Boron magnet to deliver audio performance suitable for compact electronic assemblies. Its surface-mount construction facilitates automated PCB integration, while the specific material selection supports durability in standard operating environments.
Feature Summary
- Surface-mount electromagnetic transducer design
- High-power handling capability within compact form factor
- Durable Mylar cone and neodymium magnet construction
Applications
- Compact consumer electronics audio output
- Portable device speaker integration
- Industrial control panel audio indicators
Procurement Notes
Verify the exact datasheet version for the SMS-2504MS-WP-HT to confirm current RoHS compliance status and detailed electrical tolerances. Ensure that the surface-mount footprint dimensions match the target PCB layout precisely. Confirm thermal management requirements during operation at the rated 2.5W power level to prevent overheating issues in enclosed designs.
Selection Notes
Select this component when a robust surface-mount solution is required for high-volume assembly processes. The 25mm size offers a balance between acoustic output and board space efficiency. Consider the 2.5W power rating against the intended application's volume requirements and duty cycle to ensure long-term reliability without distortion or thermal failure.
Part Context
This model belongs to PUI Audio's SMS series of surface-mount speakers. The series is engineered for modern electronics manufacturing, providing reliable audio transduction in small footprints. The WP-HT suffix typically indicates specific environmental or thermal enhancements compared to standard variants, aligning with industrial-grade reliability standards.
Replacement Considerations
Direct substitutes must match the 25mm diameter, surface-mount package, and 2.5W power rating. Verify impedance and frequency response curves to maintain acoustic consistency. Cross-reference mechanical mounting holes and terminal configurations to ensure compatibility with existing PCB designs.
