SD18OB261-050

$0.93

Description：MIC MEMS DIGITAL -26dB OMNI
Series：-
Mfr：Goertek Microelectronics Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:e31d77a6ccc3 Category: Microphones Brand: Goertek Microelectronics Inc.

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Product introduction

Product Detailed Parameters

Description：MIC MEMS DIGITAL -26dB OMNI
Series：-
Mfr：Goertek Microelectronics Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：MEMS (Silicon)
Output Type：-
Direction：Omnidirectional
Frequency Range：100 Hz ~ 8 kHz
Sensitivity：-26dB ±1dB @ 94dB SPL
S/N Ratio：65dB
Impedance：-
Voltage Range：1.62 V ~ 3.6 V
Current - Supply：650 µA
Port Location：Top
Ratings：-
Termination：Solder Pads
Size / Dimension：0.138" L x 0.104" W (3.50mm x 2.65mm)
Height (Max)：0.043" (1.08mm)
Shape：Rectangular
Grade：-
Qualification：-
Voltage - Rated：1.8 V

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SD18OB261-050

Overview

The SD18OB261-050 is a digital MEMS microphone manufactured by Goertek Microelectronics Inc. It operates within a frequency range of 100 Hz to 8 kHz and supports supply voltages from 1.62 V to 3.6 V. The device features an omnidirectional polar pattern with a sensitivity of -26dB ±1dB at 94dB SPL. It utilizes solder pads for surface-mount assembly, providing a compact solution for audio signal capture in electronic systems.

Feature Summary

Digital MEMS silicon construction for reliable acoustic performance
Omnidirectional sound pickup capability
Wide operating voltage range supporting low-power applications

Applications

Consumer electronics audio input
Voice recognition modules
Portable communication devices

Procurement Notes

Verify the manufacturer part number SD18OB261-050 against official Goertec documentation to ensure authenticity. Confirm that the required solder pad footprint matches your PCB design specifications. Check for any specific handling requirements related to electrostatic discharge during storage and assembly processes.

Selection Notes

Select this component when a digital output interface is required for direct integration with processors. Ensure the system power supply remains within the 1.62 V to 3.6 V operational limits. Consider the 100 Hz to 8 kHz bandwidth suitability for voice-centric applications rather than high-fidelity music recording.

Part Context

This part belongs to the SD18 series of digital MEMS microphones from Goertek Microelectronics. These components are designed for space-constrained portable devices requiring high-quality audio capture. The series typically offers various sensitivity and package options to suit different product form factors.

Replacement Considerations

The SD18OB261-060 is a related variant within the same product family. Verify pin compatibility and electrical specifications before substitution. Ensure the replacement part meets the same mechanical and environmental standards required by the original design.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.