We have highly educated and experienced engineers who can assist customers in electronic component selection, circuit optimization and provide failure analysis during implementation.
Our professional engineers will assist you in model selection and offer circuit analysis during use.
Credited with Over 30 Safety Certificates
We have passed ISO9001 and ISO14001 management system certification and have acquired a number of certificates from the main industrial powers across the world.
Over 10 Fully Automated Production Lines Running 24 Hours
Our fully automated production lines enable us to shorten the lead time and reduce defective products.
Electrolytic capacitors remain one of the most widely used components in power supplies, motor drives, renewable energy systems, and industrial equipment. Their high capacitance density and cost-effectiveness make them ideal for energy storage, ripple filtering, and voltage stabilization.
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A customer manufacturing industrial control boards experienced intermittent failures during final testing. Several resistors showed open-circuit conditions after PCB depaneling, resulting in reduced production yield and increased rework costs.
JEC’s Analysis
Initial investigation rev...
Excessive inrush current is a common challenge in switching power supplies. During startup, a typical 300W SMPS may experience surge currents of 50A
Excessive inrush current is a common challenge in switching power supplies. During startup, a typical 300W SMPS may experience surge currents of 50A...
In high-voltage applications such as PV inverters, energy storage PCS, and industrial power equipment, reducing component costs is important—but preventing field failures is even more critical.
Common Challenges in High-Voltage Applications
1. Insufficient Voltage Margin
Frequent surge eve...
During the development of power electronics and industrial control systems, engineers often encounter two common problems:
High-frequency EMI emissions that fail EMC tests
Insulation breakdown during high-temperature and humidity aging tests
In many cases, the root cause is not the circu...
