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1206B104K500CT

100nF 50V X7R MLCC, 1206, ±10%, general-purpose decoupling capacitor

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Manufacturer Part：

1206B104K500CT

Package：

1206 (3216 Metric) - 3.2 × 1.6 × 1.6mm

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Description

Product Overview

The 1206B104K500CT from Walsin (华新科技) is a 100nF 50V MLCC in a 1206 (3216 metric) package with X7R dielectric and ±10% tolerance. This general-purpose decoupling capacitor provides reliable bypass and filtering for medium-voltage power rails in consumer, industrial, and communication equipment.

Key Specifications

Capacitance 100nF (0.1µF)
Rated Voltage 50V DC
Tolerance ±10% (K)
Dielectric X7R (EIA Class II)
Package 1206 (3216 Metric) – 3.2 × 1.6 × 1.6mm
Operating Temperature -55°C to +125°C
Dissipation Factor ≤2.5% @ 1kHz
Insulation Resistance ≥10GΩ or 500MΩ·µF

Features

  • 100nF “0.1µF” — the most widely used decoupling capacitor value
  • 50V rating with ample margin for 12V/24V rails
  • X7R dielectric stable over -55°C to +125°C
  • 1206 footprint for robust solder joints and easy inspection
  • Walsin high-volume manufacturing for cost-effective supply

Applications

  • General-purpose I/O signal decoupling and bypass
  • 12V/24V industrial power rail filtering
  • MCU/DSP power pin local bypass
  • EMI suppression on signal lines
  • DC-DC converter input/output filter capacitor

The 1206B104K500CT from Walsin Technology is a 100nF ±10% MLCC in a 1206 (3216 metric) package with X7R dielectric, rated at 50V DC. The Walsin part numbering: 1206=size, B=X7R dielectric, 104=100nF (10×10⁴pF), K=±10%, 500=50V, C=process, T=packaging. The 100nF (0.1µF) value is the most widely used decoupling capacitor value in electronics, placed near virtually every IC power pin for high-frequency noise suppression. The 1206 package provides a robust footprint with adequate solder joint area for reliable assembly and easy visual inspection. The 50V rating provides ample voltage margin for 12V and 24V power rails. Walsin is a major MLCC manufacturer with high-volume production capacity ensuring stable supply and competitive pricing.

The 1206B104K500CT uses a multilayer ceramic construction with X7R (Class II) barium titanate-based dielectric. The 100nF capacitance is achieved through multiple thin dielectric layers interleaved with Ni inner electrodes. The X7R formulation provides ±15% capacitance change over the -55°C to +125°C temperature range, making it suitable for general-purpose applications where moderate temperature stability is acceptable. The 1206 package size (3.2×1.6mm) is one of the most popular MLCC footprints, offering a good balance between PCB area, capacitance density, and assembly reliability. The Ni-barrier termination (Cu/Ni/Sn) prevents silver migration and ensures reliable solder joints.

Pin Name Type Function
1 Terminal 1 Passive One electrode; non-polar
2 Terminal 2 Passive Other electrode; non-polar
  • Industrial PLC 24V power rail 0.1µF bypass capacitor near connector
  • 12V automotive ECU signal line EMI filter with 0.1µF decoupling
  • MCU 3.3V VDD pin 0.1µF local bypass capacitor for noise suppression
  • DC-DC buck converter 12V input 0.1µF high-frequency filter
  • RS-485 transceiver signal 0.1µF common-mode filter capacitor
Manufacturer Part Number Package Notes
YAGEO CC1206KKX7R9BB104 1206 100nF 50V X7R ±10%
Murata GRM31CR71H104KA01L 1206 100nF 50V X7R ±10%
TDK C3216X7R1H104K160AB 1206 100nF 50V X7R ±10%
KEMET C1206C104K5RACTU 1206 100nF 50V X7R ±10%
Samsung CL31B104KBCNNNC 1206 100nF 50V X7R ±10%
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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.

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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.

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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.

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5. Local Pickup in Shenzhen

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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.

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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.

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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.

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  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

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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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