SMS-1308MS-2-R

Overview

The SMS-1308MS-2-R is an electromagnetic speaker manufactured by PUI Audio, Inc. It features a square shape with surface mount (SMD/SMT) termination for board mounting. The unit utilizes a Samarium Cobalt (SmCo) magnet and a Mylar cone. Key electrical parameters include an impedance of 8 Ohms, a power rating of 300 mW, and a self-resonant frequency of 850 Hz. It delivers a sound pressure level of 87 dBA. Physical dimensions are 15 mm in length and width, with a depth of 5 mm. The component operates within a temperature range of -40°C to +85°C.

Feature Summary

• Square form factor designed for space-constrained surface mount applications
• High-temperature stability utilizing Samarium Cobalt magnetic material
• Low current consumption profile suitable for battery-powered devices

Applications

• Smart home appliances requiring compact audio feedback
• Industrial control panels needing high-temperature reliability
• Medical equipment with strict size limitations

Procurement Notes

Verify the specific suffix configuration against the manufacturer's official datasheet to ensure compatibility with required operating temperatures and acoustic specifications. Confirm that the Samarium Cobalt magnet variant meets the thermal endurance requirements of the target application environment before finalizing procurement orders.

Selection Notes

Select this component when a square footprint is required alongside high-temperature operational capability exceeding standard neodymium limits. The 8-ohm impedance aligns with common driver circuits, while the SMD termination facilitates automated assembly processes for high-volume manufacturing runs.

Part Context

This part belongs to the SMS series of speakers from PUI Audio, which specializes in miniature transducers for consumer and industrial electronics. The series emphasizes low power consumption and compact packaging solutions suitable for modern portable and embedded systems.

Replacement Considerations

Direct substitutes may include other square SMD speakers from PUI Audio with similar 8-ohm impedance and 15mm dimensions, provided they meet the -40°C to +85°C temperature rating.