1W 3W 6W 8W precision shunt resistors.

I. Overview of Technical Characteristics

• Resistor Chip Material: Fabricated using alloy foil resistor material, it boasts a low temperature coefficient and exceptional pulse tolerance, making it suitable for applications such as current sampling circuits.

• Lead Connection Method: Utilizes a two-terminal connection approach to ensure stability and reliability in connections.

• Thermal Dissipation Performance: Enhanced by encapsulation with 96% alumina ceramic, providing superior heat dissipation capabilities.

• Rated Power Range: At 70°C, the rated power ranges from 1W to 8W.

• Resistance Range and Accuracy:

• The resistance range spans from 2mΩ to 2Ω.

• Resistance accuracy can achieve a best-case scenario of 0.1%.

• Temperature Coefficient: Can be optimized to 5ppm/°C for precise resistance control.

II. Detailed Specifications

• Resistance Range: Specific values detailed in the accompanying table.

• Resistance Accuracy: Ranges from ±0.1% to ±10.0%, depending on the specific application requirements.

• Temperature Coefficient: Can also be optimized to ±10ppm/°C for additional precision.

• Power Durability: Under conditions of 70°C and a rated power for 1000 hours, the change in resistance (ΔR) is limited to ≤ ±(0.20% R + 0.001Ω).

• Environmental Durability:

• Humidity Resistance: Complies with MIL-Std-202, Method 106, with ΔR ≤ ±(0.20% R + 0.001Ω).

• Thermal Shock Resistance: Complies with MIL-Std-202, Method 107, Condition C, with ΔR ≤ ±(0.20% R + 0.001Ω).

• Operating Temperature Range: Spans from -55°C to +155°C, ensuring wide applicability in various environments.

• Leads: Made of Φ0.8 tin-plated copper wire with antioxidant coating for enhanced durability and corrosion resistance.