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LINKEYCON: Advanced Aluminum Electrolytic Capacitor & Energy Storage Solutions

2026-03-12

For industrial power, new energy, automotive electronics, AI servers and other high‑reliability fields, aluminum electrolytic capacitors are critical components that directly define the service life and stability of end equipment. With 21 years of focused R&D and manufacturing since 2005, LINKEYCON has developed a full lineup of high‑performance capacitors serving the global market.

Our Production & R&D Base

Headquartered in Dongguan, China, LINKEYCON operates a large‑scale manufacturing base in Susong, Anhui. The facility covers 25,000 m² and employs more than 400 professionals. Our annual capacity exceeds 3 billion pieces, supported by:

120 production lines for radial lead capacitors
20 lines for SMD aluminum electrolytic capacitors
20 lines for snap‑in, screw terminal and supercapacitors

We run a fully integrated system from material development to mass production and quality control. We are a national high‑tech enterprise, provincial‑level technical center, and green factory.

LINKEYCON: Advanced Aluminum Electrolytic Capacitor & Energy Storage Solutions 1

Full Product Portfolio

We provide five series of capacitors, covering most industrial, automotive, consumer and energy applications.

Radial Lead Aluminum Electrolytic Capacitors

Compact size, wide temperature range and long operating life.

Size: 4×7 mm ~ 18×40 mm
Voltage: 6.3V–600V
Temperature: -55℃ to 135℃
Life: up to 12,000 hours at 105℃
Applications: lighting, consumer electronics, telecom, automotive

SMD Aluminum Electrolytic Capacitors

Designed for automatic SMT assembly, with high temperature resistance and ultra‑low profile.

Ultra‑thin versions down to 3.95 mm height
Temperature ratings up to 150℃, long‑life series at 125℃
Qualified to AEC‑Q200
Applications: automotive, industrial, AI servers, compact power supplies

Snap‑in Capacitors

Robust structure, high ripple current capability and strong anti‑vibration performance.

Voltage up to 630V
Applications: inverters, UPS, EV chargers, industrial power supplies

Screw Terminal Capacitors

For high‑power, high‑current systems with excellent heat dissipation.

Capacitance up to 680,000 μF
Life: up to 10,000 hours at 105℃
Applications: heavy industry, energy storage, high‑voltage equipment

Supercapacitors (EDLC)

Physical energy storage, long cycle life, no chemical reactions during operation.

Capacitance: 0.1F–100F
Cycle life: over 500,000 times at 85℃
Operating temp: -40℃ to +85℃
Applications: power backup, peak power compensation, energy recovery

Core Technical Strengths

Our competitiveness comes from in‑house control of materials, electrolyte and manufacturing processes.

In‑house developed electrolytes: high‑temperature (150℃), ultra‑high‑voltage (600V), and boron‑free eco‑friendly formulas
Advanced electrode foil design for smaller size, higher capacitance and better ripple performance
Intelligent aging and online monitoring to ensure stability and consistency
Reliability lab with 30+ test items, compliant with IEC, GB, JIS and AEC-Q200

Application Solutions

We support global customers with application‑oriented design and selection:

Automotive: wide temperature range, anti‑vibration, high reliability
New Energy & PV: long life, high voltage, grid fluctuation resistance
Industrial & IPC: high ripple current, heavy load, long service life
AI Servers: low ESR, high stability, long life under continuous load

Our Vision

LINKEYCON is committed to becoming a global leader in aluminum electrolytic capacitors through continuous innovation in materials, processes and products. We provide reliable, long‑life components that help customers build more stable and durable electronic systems.

LINKEYCON was featured on Anqing News !

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