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C2012X7R1H475K125AC

4.7µF MLCC, 50V, X7R, ±10%, 0805 package, general purpose, TDK

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Manufacturer Part：

C2012X7R1H475K125AC

Package：

0805 (2.0 x 1.25 x 1.25 mm)

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Description

Product Overview

The C2012X7R1H475K125AC from TDK is a 4.7µF MLCC capacitor rated at 50V with X7R temperature coefficient in an 0805 package. Featuring ±10% tolerance and 125°C maximum operating temperature, it is designed for general electronic equipment including mobile devices, servers, and power supply circuits.

Key Specifications

Capacitance 4.7µF
Tolerance ±10% (K)
Rated Voltage 50V DC
Temperature Coefficient X7R (±15% over -55°C to +125°C)
Operating Temperature -55°C to +125°C
Package 0805 (2012 Metric, 2.0 x 1.25 x 1.25 mm)
Mounting Surface Mount
Dissipation Factor 5% (maximum at 1 kHz)
Insulation Resistance 10,000 MΩ or 500Ω·F (minimum)
Packing Embossed Tape (180mm Reel, 2000 pcs)

Features

  • 4.7µF high capacitance in compact 0805 package
  • 50V voltage rating for 5V/12V/24V/48V applications
  • X7R temperature coefficient: ±15% over -55°C to +125°C
  • ±10% tolerance for precise circuit design
  • Low dissipation factor: 5% maximum
  • High insulation resistance for low leakage
  • RoHS compliant and lead-free compatible
  • Suitable for reflow soldering process

Applications

  • Mobile device power supply decoupling
  • Server and PC power management
  • DC-DC converter output filtering
  • Tablet and wearable device power circuits
  • General electronic equipment bypass
  • Industrial control power filtering

The C2012X7R1H475K125AC from TDK is a 4.7µF multilayer ceramic capacitor (MLCC) from the C series commercial-grade product line. The device features a 50V DC rating with X7R dielectric in an 0805 (2012 metric) package. The X7R temperature characteristic provides ±15% capacitance stability over the -55°C to +125°C range. The 4.7µF capacitance value in the compact 0805 footprint is achieved through TDK’s advanced thin-layer MLCC technology. The 125AC suffix indicates the 125°C maximum temperature rating with specific terminal finish. The capacitor is designed for general-purpose applications including mobile devices, servers, PCs, tablets, and power supply circuits. The device offers a dissipation factor of 5% maximum and high insulation resistance for reliable operation.

The C2012X7R1H475K125AC operates as a passive capacitive element:

1. MLCC Construction: Multiple layers of barium titanate-based X7R ceramic dielectric are interleaved with nickel inner electrodes. The 4.7µF capacitance in 0805 package is achieved through TDK’s fine-powder ceramic technology, using hundreds of thin dielectric layers (each ~1µm) to maximize electrode area. The 50V rating requires sufficient dielectric thickness for reliable operation at rated voltage.

2. X7R Dielectric Properties: The X7R Class II ferroelectric ceramic provides high volumetric efficiency (high capacitance in small package) at the cost of some capacitance variation. The ±15% temperature stability is achieved through chemical modification of the barium titanate lattice with dopants that shift the Curie temperature and flatten the capacitance-temperature curve.

3. DC Bias Effect: At 50V DC bias, the effective capacitance may decrease to 30-60% of the nominal 4.7µF due to ferroelectric domain saturation. This is an inherent characteristic of X7R ceramics and must be considered in DC-coupled applications. The AC capacitance (small signal) remains close to nominal.

Pin Name Type Function
1 Terminal 1 Passive Capacitor terminal (no polarity)
2 Terminal 2 Passive Capacitor terminal (no polarity)
  • Mobile devices: 4.7µF in 0805 provides bulk decoupling for smartphone application processors and memory rails at 1.2V-3.3V; 50V rating offers margin for 5V USB power paths
  • Server power: 4.7µF at 50V suits VRM (Voltage Regulator Module) output decoupling for server CPUs operating at 1.8V-3.3V with high transient current demands
  • DC-DC converters: 4.7µF provides mid-band output filtering in buck converters; low ESR ensures low output ripple voltage at switching frequencies of 500kHz-2MHz
  • Industrial control: -55°C to +125°C range and 50V rating for PLC and motor driver power supply filtering in factory automation environments
Manufacturer Part Number Package Notes
TDK C2012X7R1H475K125AB 0805 Same specs, different reel size
Murata GRM21BR71H475KA12L 0805 4.7µF, 50V, X7R
Taiyo Yuden UMK212BJ475KG-T 0805 4.7µF, 50V, X7R
Samsung CL21A475KQFNNNE 0805 4.7µF, 50V, X7R
Yageo CC0805KKX7R9BB475 0805 4.7µF, 50V, X7R
AVX 08055C475KAT2A 0805 4.7µF, 50V, X7R
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
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4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

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If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

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If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
  • PayPal: Ideal for small orders, sample orders and quick payments.

  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

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  • Domestic Delivery: SF Express, Yunda Express
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  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
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  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
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    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

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    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

4. Customs & Liability Statement

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    All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
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  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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