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SP0103NC3-2

Manufacturer Part Number:
SP0103NC3-2
Manufacturer / Brand
Knowles
Part of Description:
MIC SISONIC SMD INT AMP 20DBGAIN
Datasheets:
SP0103NC3-2.pdf
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 38968 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SP0103NC3-2
Manufacturer / Brand Knowles
Stock Quantity 38968 pcs Stock
Category Audio Products > Microphones
Description MIC SISONIC SMD INT AMP 20DBGAIN
Lead Free Status / RoHS Status: RoHS Compliant
RFQ SP0103NC3-2 Datasheets SP0103NC3-2 Details PDF
SP0103NC3-2 Details PDF for KR.pdf
SP0103NC3-2 Details PDF for IT.pdf
SP0103NC3-2 Details PDF for ES.pdf
SP0103NC3-2 Details PDF for DE.pdf
SP0103NC3-2 Details PDF for FR.pdf
Series -
Package Cut Tape (CT)
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges: (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


SP0103NC3-2 Product Details:

The SP0103NC3-2 from Knowles is a sophisticated surface-mount microphone solution within the audio products category, specifically engineered as a SiSonic microphone with integrated amplification capabilities. This component addresses the critical design challenge of capturing high-quality audio in space-constrained applications while providing built-in signal conditioning through its 20dB gain amplification, eliminating the need for external amplifier circuits and thereby simplifying PCB layouts and reducing overall system costs.

This microphone features an internal amplifier with 20dB gain, which significantly boosts the audio signal at the source, improving signal-to-noise ratio and ensuring cleaner audio transmission to downstream processing circuits. The surface-mount design allows for automated assembly processes and enables integration into compact electronic devices where traditional through-hole components would be impractical. Available in cut tape packaging with 2652 units in stock, this format facilitates both prototype development and volume production requirements, offering flexibility for various manufacturing scales.

The primary advantages include the integrated amplification that reduces external component count, the compact SMD footprint that conserves valuable board space, enhanced audio performance through optimized signal conditioning, and the reliability associated with Knowles' proven MEMS microphone technology. This component is particularly well-suited for applications in consumer electronics such as smartphones, tablets, laptops, and wearable devices, as well as professional audio equipment, hearing aids, automotive hands-free systems, IoT devices, voice-activated controls, and conferencing equipment where high-quality audio capture in minimal space is essential.

Regarding equivalent or alternative models, Knowles offers several comparable SiSonic microphones with varying gain levels and acoustic characteristics, including the SPH0641LU4H-1, SPH0645LM4H-B, and SPU0410LR5H-QB models. Other manufacturers providing similar MEMS microphones with integrated amplification include the Infineon IM69D130 series, STMicroelectronics MP34DT series, TDK InvenSense ICS-43434 and ICS-43432, and Vesper VM1010. The selection among these alternatives depends on specific requirements such as sensitivity, frequency response, power consumption, and acoustic port configuration for your particular application.

SP0103NC3-2 Image
SP0103NC3-2 (1)

SP0103NC3-2 Key Technical Attributes

Manufacturer Part Number: SP0103NC3-2

Main Category: Audio Products

Small Classification: Microphones

SP0103NC3-2 Packing Size

The SP0103NC3-2 microphone is provided in a Cut Tape (CT) packaging format, ideal for automated SMD assembly lines and supporting large-scale manufacturing efficiency. Its compact SMD (Surface-Mount Device) design allows for easy integration into PCB layouts, offering a minimal footprint suitable for modern, space-constrained electronic devices. The component is typically built with robust, high-quality materials to optimize durability and ensures consistent electrical and thermal performance, withstanding the soldering process without degradation. The package includes clear pin configuration markings for correct orientation and installation during the PCB assembly process.

SP0103NC3-2 Application

The SP0103NC3-2 is predominantly used in audio capture applications across a wide range of consumer and industrial electronics. Common uses include mobile devices, hearing aids, portable audio recorders, IoT sensors, smart speakers, and other systems requiring high-fidelity sound input. Its compactness and SMD format make it ideal for any product where both space and audio quality are a priority.

SP0103NC3-2 Features

This model incorporates a Sisonic SMD microphone equipped with an integrated amplifier that provides a 20 dB gain, optimizing small signal audio capture with minimal noise. The on-chip amplification significantly reduces the need for external circuitry, streamlining system design and minimizing signal loss resulting from PCB trace routing. The microphone is notable for its high sensitivity, low distortion, and excellent signal-to-noise ratio, making it well-suited for voice recognition, communication devices, and professional audio equipment. Additionally, the SP0103NC3-2 is designed to exhibit low power consumption, supporting extended battery life in portable or wearable applications. The surface-mount construction also enhances automated board assembly and long-term reliability.

SP0103NC3-2 Quality and Safety Features

The SP0103NC3-2 meets rigorous industry standards for reliability and safety. It provides consistent audio performance over its operational lifespan, with tolerance to temperature variations and environmental stress. The SMD package protects the microphone internals from contaminants such as dust and humidity, ensuring stable operation even in challenging environments. All production lots are subjected to strict quality assurance and compliance testing, in line with international safety and quality certifications.

SP0103NC3-2 Compatibility

Thanks to its SMD package and standardized electrical characteristics, the SP0103NC3-2 is compatible with various modern PCB assembly processes and controller ICs. It can be seamlessly integrated with a wide variety of audio amplification and processing solutions, making it an excellent choice for both new designs and legacy system upgrades.

SP0103NC3-2 Datasheet PDF

Our website offers the most authoritative and up-to-date datasheet for the SP0103NC3-2 model. This datasheet provides detailed electrical, mechanical, and application information essential for accurate design integration. We highly recommend customers download the datasheet from this page to access all pertinent technical and application data for the Knowles SP0103NC3-2 microphone.

Quality Distributor

IC-Components is a trusted premium distributor of Knowles products. We guarantee only genuine and high-quality components, supported by professional supply chain services. For the best price and availability, we encourage customers to request a quote directly through our website. Let us be your reliable partner in sourcing the Knowles SP0103NC3-2, ensuring both quality and efficiency in your procurement process.

Frequently Asked Questions

Can the Knowles SP0103NC3-2 microphone be integrated into a low-power portable audio device without adding excessive power consumption?
Yes, the Knowles SP0103NC3-2 is designed as a small SMD microphone with integrated amplifier, providing a gain of 20dB. Its low power consumption makes it suitable for portable applications. However, ensure that the power supply voltage and current limits specified in the datasheet are maintained and that your PCB layout minimizes noise and interference for optimal performance.
What are the critical PCB design considerations when integrating the Knowles SP0103NC3-2 in an audio capture circuit?
When integrating the Knowles SP0103NC3-2, maintain a clean, decoupled power supply with proper filtering; keep the microphone's analog input traces short and shielded from digital noise; ensure a solid ground plane to minimize EMI; and avoid routing high-current traces near the microphone to prevent interference that could degrade audio quality.
Is the Knowles SP0103NC3-2 suitable for use in industrial environments with temperature extremes?
The SP0103NC3-2 is intended for general consumer and commercial applications. For industrial use involving wide temperature ranges or harsh environments, verify the device's operating temperature specifications from the datasheet. Additional environmental sealing or conformal coating may be necessary to ensure long-term reliability in such conditions.
How does the gain of 20dB in the Knowles SP0103NC3-2 impact the overall system design for high-fidelity audio recording?
The 20dB gain simplifies the downstream signal chain by amplifying weak audio signals at the source, reducing the need for additional preamplification. For high-fidelity applications, ensure that the subsequent analog-to-digital converter (ADC) has sufficient headroom and dynamic range to accommodate the amplified signals without clipping or distortion.
Can I replace the Knowles SP0103NC3-2 with a different microphone model from another manufacturer without significant design changes?
Replacement is possible but requires careful consideration of mechanical footprint, electrical characteristics (such as impedance, gain, power supply voltage), and output connector compatibility. The SP0103NC3-2’s integrated amplifier and form factor are specific; substituting with a different model may necessitate redesign of the PCB layout, power circuitry, and signal conditioning to maintain performance.
What are the key considerations for power supply filtering when deploying the Knowles SP0103NC3-2 in a noise-sensitive environment?
Use low-noise linear regulators and adequate decoupling capacitors close to the microphone’s power supply pins; implement Pi filters or LC filters if necessary, and keep the power supply lines short. Proper grounding and shielding help minimize electromagnetic interference that could compromise the microphone’s sensitive audio signal.
Is the Knowles SP0103NC3-2 compatible with digital interface options, or does it require analog signal processing?
The SP0103NC3-2 outputs an amplified analog signal suitable for direct ADC input. It does not provide a digital interface. For digital audio processing, pair it with an appropriate ADC after the mic’s analog output. Ensure the ADC’s input range matches the amplified signal levels for accurate conversion.
What are the considerations for long-term reliability and consistent performance of the Knowles SP0103NC3-2 in a consumer electronic product?
Ensure operating conditions stay within the specified temperature and humidity ranges, apply appropriate mechanical mounting to prevent vibration-induced damage, and keep the device free from moisture and dust through proper enclosure design. Using high-quality soldering and conformal coatings can also enhance long-term stability.
How does the package type "Cut Tape (CT)" influence assembly process and quality control for mass production?
The Cut Tape packaging facilitates automated pick-and-place assembly, enabling efficient and consistent placement of the SP0103NC3-2 in high-volume manufacturing. Verify tape integrity and component orientation during incoming inspection to prevent placement errors that could affect performance.
Are there any limitations on the maximum input acoustic pressure levels the Knowles SP0103NC3-2 can handle without distortion?
The microphone is designed for typical consumer and professional audio levels; exceeding maximum SPL ratings specified in the datasheet can cause distortion or damage. Consult the datasheet for the specific SPL limits and incorporate adequate headroom in your acoustic design to prevent overload conditions.

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MIC SISONIC SMD INT AMP 20DBGAIN

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