3SM123E4T1VA-002-R

Overview

The 3SM123E4T1VA-002-R is an active MEMS silicon microphone manufactured by 3S (Solid State System). It features an analog output type and omnidirectional sound pickup capability. The device operates within a frequency range of 100 Hz to 10 kHz. Sensitivity is specified at -42dB ±1dB relative to 94dB SPL at 1kHz. This surface-mount component is designed for integration into electronic systems requiring compact audio input solutions.

Feature Summary

• Omnidirectional acoustic design for consistent sound capture from all directions
• Analog signal output suitable for direct interfacing with audio processing circuits
• MEMS silicon construction ensuring durability and reliability in various environments

Applications

• Consumer electronics audio input modules
• Voice recognition system front-ends
• Portable communication devices

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct sensitivity and package specifications. Confirm that the supplier provides traceable components matching the active status listed in public databases. Request datasheet revisions to validate current manufacturing parameters before finalizing orders.

Selection Notes

Choose this component when an analog output interface is required rather than digital alternatives. The omnidirectional characteristic makes it suitable for applications where sound source positioning varies. Ensure the operating frequency range aligns with the specific audio bandwidth requirements of the target application circuit.

Part Context

This model belongs to the 3S MEMS series, representing solid-state acoustic sensors produced by Solid State System Co., Ltd. The company specializes in micro-electromechanical systems and storage technologies. This specific variant utilizes silicon-based MEMS technology for high-performance audio sensing in compact form factors.

Replacement Considerations

Direct substitutes require matching analog output type, omnidirectional pattern, and similar sensitivity levels. Verify pin compatibility and thermal endurance specifications if replacing in existing PCB layouts. Consult manufacturer cross-reference lists for validated equivalent parts.