Features Shockproof, Moisture Resistant, and Heat Resistant: This cement resistor power resistance is designed to withstand shock and moisture, ensuring reliable performance in various conditions. With excellent heat dissipation, it maintains stable performance. Completely Insulated for Printed Circuit Boards: This resistor is fully insulated, making it safe and suitable for use on printed circuit boards without risk of damage or interference. Precision Construction for Accurate Resistance: The wire is carefully wound on a porcelain rod and welded, ensuring accurate resistance value and prolonged lifespan, providing high quality for your electronic components. Stable Performance with Metal Oxide Film Body: The high resistance value is achieved with a metal oxide film body (MO), ensuring stable and reliable performance compared to traditional winding methods. Excellent Heat Resistance and Low Temperature Coefficient: This resistor exhibits outstanding heat resistance and a small temperature coefficient of resistance, ensuring consistent performance in various temperature conditions. Specification: Condition: 100% Brand new Item Type: Cement Resistor Accuracy: ±5% Power: 20W Package Size: Approx. 20 x 10 x 3cm / 7.9 x 3.9 x 1.2in Optional Style: 1R, 1.5R, 2R, 2.2R, 3R, 5R, 8R, 10R, 12R, 15R, 20R, 30R, 50R, 100R, 120R, 150R, 1KR, 2KR, 3KR, 10KR Package List: 10 x Cement Resistor Package List