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Product Detailed Parameters
- Description：SPEAKER 8OHM 500MW TOP PORT 87DB
- Series：SMS
- Mfr：PUI Audio, Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Technology：Magnetic
- Impedance：8 Ohms
- Power - Max：800 mW
- Shape：Square
- Termination：Solder Pads
- Size / Dimension：0.591" L x 0.591" W (15.00mm x 15.00mm)
- Height - Seated (Max)：0.157" (4.00mm)
- Frequency - Self Resonant：800Hz
- Efficiency - dBA：87
- Efficiency - Testing：500mW/100mm
- Efficiency - Type：Sound Pressure Level (SPL)
- Port Location：Top
- Material - Cone：Polyimide (PI)
- Material - Magnet：SmCo
- Ingress Protection：-
- Ratings：-
- Frequency Range：500 Hz ~ 10 kHz
- Power - Rated：500 mW
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Overview
The SMS-1508MS-2-R is an electromagnetic speaker manufactured by PUI Audio, designed for board mount applications. It features a square shape with SMD/SMT termination types and utilizes Mylar cone material. The component operates within a temperature range of -40°C to +85°C. Key electrical parameters include an impedance of 8 Ohms, a power rating of 300 mW, and a sound pressure level of 87 dBA at a frequency of 850 Hz. The physical dimensions are 15 mm in length, 15 mm in width, and 5 mm in depth.
Feature Summary
- Square form factor suitable for compact surface-mount designs
- Operates across extended industrial temperature ranges
- Utilizes Samarium Cobalt magnetic material for stability
Applications
- Industrial control panels requiring robust audio feedback
- Medical equipment needing reliable indicator tones
- Automotive electronics operating in extreme temperatures
Procurement Notes
Verify the specific suffix 'MS' against official datasheets to confirm magnet type and cone material variations. Ensure PCB footprint matches the 15mm x 15mm square outline. Confirm RoHS compliance status through current manufacturer documentation before finalizing procurement specifications.
Selection Notes
Select this model when high-temperature stability is required due to its -40°C to +85°C rating. The square geometry aids in dense board layout compared to round alternatives. Verify that the 8 Ohm impedance aligns with the driving circuit's output capabilities for optimal efficiency.
Part Context
This component belongs to the SMS series of electromagnetic speakers from PUI Audio. The series focuses on providing reliable audio indication solutions for electronic devices. The SMS designation typically indicates specific mounting and dimensional characteristics distinct from other product lines.
Replacement Considerations
Check for direct substitutes within the SMS series or AS series with matching 8 Ohm impedance and similar acoustic output levels. Ensure replacement parts support the same SMD/SMT termination style and fit the existing board space constraints.
