top of page
Koshin logo – electronic components manufacturer, with McKinsey Electronics as an authorized distributor.

High-Reliability Electrolytic Capacitor for Communication, Automotive & Industrial Applications

About KOSHIN International (Hong Kong)
​

Founded in 1984 and headquartered in Hong Kong, KOSHIN International Ltd., under the brands KOSHIN and KOAS, is a leading global manufacturer of aluminum electrolytic and polymer (solid) capacitors.


With fully automated factories in Shenzhen and Hunan producing up to 7 billion capacitors annually, KOSHIN is recognized as a national high-tech enterprise and trusted OEM supplier to major telecom and automotive players like Huawei and Ericsson.

Design Consultancy & Engineering Support

At McKinsey Electronics, we partner with you to integrate KOSHIN’s capacitors seamlessly into your designs, ensuring optimal performance and long-term reliability:

  • Component Specification & Selection: Advising on capacitance, voltage rating, ESR/impedance and thermal derating to meet your design criteria.

  • System Integration & Layout Optimization: PCB best practices for minimizing ESR/ESL, proper thermal management and mechanical stability.

  • Reliability Modeling & Testing: Utilize KOSHIN’s published endurance and ripple-current data for accurate lifetime prediction and validation.

  • Compliance & Quality Assurance: Assurance of IECQ certification, RoHS compliance, conflict-mineral policies and automotive-grade qualifications

Why Choose McKinsey Electronics

01

High-Volume Expertise: We understand component behavior at scale for communication infrastructure and industrial systems.

02

Advanced Material Technologies: Combining aluminum electrolytic and polymer capacitors for application-specific optimization.

03

Performance-Driven Partnerships: Aligned with KOSHIN’s automated manufacturing and stringent quality standards.

04

Faster Time-to-Market: Our support accelerates design-to-production timelines leveraging KOSHIN’s established supply chain.

Let’s Build the Future Together

Need expert capacitor engineering for telecom, industrial, automotive, or power-electronics applications?
Contact McKinsey Electronics today to explore how KOSHIN’s high-quality electrolytic and polymer capacitors can reliably elevate your system.

Recent Products

KOSHIN Radial Electrolytic Capacitors (e.g., 1000 µF/25 V)
​

Standard components featuring low ESR and long-life performance for general power applications.

KOAS Polymer Solid Capacitors (KS Series)
​

Solid-state capacitors with low ESR tailored for switching power supply and digital equipment.

Koshin Radial Electrolytic Capacitors, distributed by McKinsey Electronics
KoshinvKOAS Polymer Solid Capacitors (KS Series), distributed by McKinsey Electronics

Featured Product Categories

Radial Electrolytic Capacitors
​

Robust and cost-effective energy storage solutions.

Surface-Mount Polymer Capacitors
​

Low ESR and compact size for dense power modules.

Koshin Radial Electrolytic Capacitors, distributed by McKinsey Electronics
Koshin, Surface-Mount Polymer Capacitors, distributed by McKinsey Electronics

Automotive & High-Reliability Capacitors
​

AEC-Q200 compliant offerings with long endurance.

Koshin Automotive & High-Reliability Capacitors, distributed by McKinsey Electronics

Which electronic components are you searching for?

bottom of page