Illustrative capacitor array receding in one-point perspective beneath a dusk sky, concept visual for power electronics applications
Aluminum Electrolytic Capacitor Manufacturer

Aluminum Electrolytic Capacitorsfor Reliable Power Electronics

Aluminum electrolytic and conductive polymer aluminum solid capacitors for demanding applications. Backed by in-house R&D, manufacturing and application support.

  • In-house materials development
  • Application-focused selection
  • Direct manufacturer support
Explore what we make
2018

Established

Founded to develop capacitor manufacturing and electrolyte R&D.

68,000M²

Production Facility

Total manufacturing facility footprint.

300+LINES

Production Lines

Active production lines across the facility.

4,000+MODELS

Product Models

Distinct capacitor product models offered.

Core manufacturing portfolio

Capacitor product portfolio

Engineered for high-ripple power stages, industrial power supplies, and DC-link filtering with verified thermal endurance.

Conductive polymer aluminum solid capacitors showing raw cylindrical aluminum cans and lead terminals against a neutral background

Conductive Polymer Aluminum Solid Capacitors

Ultra-low ESR and high ripple current ratings across 2.5V to 100V operating spans.

Industrial aluminum electrolytic capacitors with protective sleeves and polarized terminal leads

Aluminum Electrolytic Capacitors

High volumetric capacitance density with extended load endurance across 6.3V to 450V scopes.

Self-Developed Electrolyte Technology for Stable Performance

Yunrui develops electrolyte technology in-house to support the stable performance of our Conductive Polymer Aluminum Solid Capacitors and Aluminum Electrolytic Capacitors across demanding operating environments.

Our focus on core capacitor materials helps ensure low equivalent series resistance (ESR), reliable ripple current handling, and consistent service life for power supplies and industrial electronics.

Proprietary Formula

Conductive polymer electrolyte designed to provide high electrical conductivity and stable operating performance.

Ultra-Low ESR

Minimizes ripple voltage and internal heat generation across high-frequency switching.

Thermal Stability

Maintains operational consistency across -55°C to +105°C continuous operating profiles.

Chemical electrolyte synthesis and precision manufacturing cleanroom process at Yunrui
Industrial Capability // Process Control

Engineered for demanding power applications

Guizhou Yunrui Electronic Technology Co., Ltd. applies vertically integrated manufacturing, proprietary material synthesis, and automated testing lines to ensure electrical stability in critical power circuits.

Self-developed materials

Conductive polymer and liquid electrolyte formulations developed for thermal endurance and low ESR stability.

2.5V – 100V DC

Comprehensive product range

Standard radial lead and high-density SMD footprints covering working voltages from 2.5V through 100V with tight capacitance tolerances.

Consistent product quality

Parametric electrical testing and quality control procedures ensure consistent lot-to-lot reliability across production.

ISO 9001

Advanced manufacturing

High-speed automated winding, precision foil slitting, and cleanroom encapsulation lines minimizing mechanical variance across high-speed builds.

Reliability testing

Dedicated reliability testing laboratory conducting high-temperature load life evaluation and damp heat validation.

Approx. 15M pcs/day

Production capacity

Approximate daily supply capacity of around 15 million pieces across our production lines.

Yunrui cleanroom production floor showing automated capacitor winding and assembly lines
Manufacturing Facility
Integrated Manufacturing Flow

From Materials to Manufacturing, One Integrated Operation

Yunrui maintains complete engineering and manufacturing ownership over the capacitor lifecycle. By consolidating production operations under direct oversight, we eliminate the variability inherent in distributed contract manufacturing and deliver consistent component reliability.

Quality Management & Standards

Quality standards for high-reliability electronics

Every production batch undergoes automated electrical screening and parametric sorting. Yunrui operates under ISO 9001 and ISO 14001 management systems, supporting process consistency and environmental compliance across our manufacturing operations.

ISO 9001 quality management system certification certificate plaque
Management System Certification

ISO 9001

Standard Scope

Quality management system standard for manufacturing processes and product consistency

Certification documentation available upon request.
ISO 14001 environmental management system certification certificate plaque
Management System Certification

ISO 14001

Standard Scope

Environmental management system standard

Certification documentation available upon request.

Formal audit reports and compliance declarations are provided upon request during the RFQ process.

Certification documentation is provided upon RFQ request.

Request Documentation
Engineering Library & Downloads

Engineering documentation and technical resources

Download detailed component specifications, application schematics, and testing procedures for your circuit design.

Product Catalogue

Complete dimensional parameters, standard series matrix, and lead spacing specifications across polymer and electrolytic lines.

Technical Datasheets

Electrical characteristic curves, high-frequency ESR metrics, and thermal endurance limits for circuit modeling.

Application Guides

Circuit layout rules, peak reflow soldering profiles, and voltage derating formulas for switching power supplies.

FAQs

Verified answers on shelf life conditioning, solvent resistance, cleaning protocols, and general product FAQs.

Corporate Announcements & Technical Releases

Technical updates and factory milestones

Follow our production expansions, electrolyte testing protocols, and industrial quality certifications from Guizhou Yunrui Electronic Technology Co., Ltd.

Direct Engineering Office

Have a Requirement?

Let's Find the Right Capacitor.

Submit your circuit parameters, target capacitance, operating voltages, or BOM replacement specs. Our application engineers analyze component tolerances and supply comprehensive factory datasheets, samples, and volume quotations.

Certified to ISO 9001 and ISO 14001

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