High-power gold-cased aluminum alloy fixed resistors are manufactured using an anodized aluminum alloy shell and a fully welded process, resulting in a gold oxide layer that combines aesthetics, corrosion resistance, and excellent thermal conductivity.

The product features a molded sealed structure, providing moisture-proof, shock-proof, and dust-proof properties, enabling stable operation in harsh environments.

Specifically designed for high-power applications, they can be directly mounted on housings or heat sinks, effectively improving heat dissipation efficiency and extending service life.

Widely used in industrial control, power electronics, and frequency conversion systems.

Technical Specifications

Non-Inductive Winding Design —— 1. Effectively reduces parasitic inductance, ensuring stable performance in high-frequency and pulse circuits.

Excellent thermal conductivity: The aluminum shell structure and heat sink design enable rapid heat dissipation, enhancing load-bearing capacity.

Rugged and reliable structure: Utilizing a fully welded manufacturing process, it is shock-resistant and impact-resistant, adaptable to various industrial environments.

Superior protection performance: The molded package structure provides excellent moisture, dust, and oxidation resistance.

High long-term stability: Low resistance drift during long-term operation ensures system reliability.

High-power gold-plated aluminum-cased fixed resistors are widely used in:

• Inverters and servo systems: for energy feedback and dynamic braking;
• Power supplies and charging equipment: for current limiting and overload protection;
• Industrial automation control: for testing and load regulation circuits;
• Motor control and welding equipment: for energy absorption and stable current output;
• Power and new energy systems: such as wind power, photovoltaic inverters, and energy storage control modules.