KOA was founded in 1940, specializing in the production
of high-quality, high-reliability passive components.

KOA resistors offer high reliability and long-term stability,
making them ideal for use in AI server power supplies that demand high performance.

Excellent liquid immersion resistance
Extra long service life
Wide range of applications

High temperature and humidity resistance
High reliability
High voltage shock resistance
High efficiency conversion

Long-term stability comparable to that of thin-film resistors，
Excellent heat resistance，High environmental resistance