3920 0.0002R (0.0002 Ohm) 12W 0.5% ESR39D12W0M20M02G manganese copper metal shunt patch resistor detailed explanation
3920 0.0002R (0.0002 Ohm) 12W 0.5% ESR39D12W0M20M02G manganese copper metal shunt patch resistor detailed explanation
3920 0.0002R(0.0002 Ohm) 12W 0.5% ESR39D12W0M20M02G Metal Shunt Chip Resistor
The 3920 0.0002R(0.0002 Ohm) 12W 0.5% ESR39D12W0M20M02G metal shunt chip resistor is a high-precision and high-power electronic component specially developed for precision current sampling and circuit protection scenarios. Adopting a standard 3920 patch package, this 3920 0.0002R(0.0002 Ohm) 12W 0.5% resistor has a compact structure, which is compatible with automated SMT welding processes and high-density PCB layout. With a precise resistance value of 0.0002 Ohm, a rated power of 12W and a strict accuracy tolerance of 0.5%, it is a high-end manganese copper shunt resistor integrating ultra-low resistance, high power and high precision.
Material and Environmental Compliance
This 3920 0.0002R(0.0002 Ohm) 12W 0.5% resistor is made of high-quality MnCu alloy material. The optimized metal structure gives it an ultra-low temperature resistance coefficient, effectively suppressing resistance drift caused by temperature changes. It has excellent oxidation resistance and corrosion resistance, ensuring long-term stable electrical performance. In terms of environmental protection compliance, the product adopts lead-free and environmentally friendly production technology, fully meeting RoHS and REACH international certification standards, without toxic and harmful substances, and conforming to global electronic product environmental access specifications.
Performance Characteristics
Featuring low temperature drift, the 3920 0.0002R(0.0002 Ohm) 12W 0.5% resistor maintains stable resistance in a wide temperature range from -50℃ to +150℃. The 0.5% high precision effectively reduces circuit detection errors and improves the accuracy of electronic control systems. It supports 12W high power load and has strong anti-surge capability, which can resist instantaneous pulse current and voltage fluctuations to avoid component damage. The integrated patch packaging process has good thermal conductivity and heat dissipation performance, avoiding performance degradation caused by heat accumulation.
Applications
Widely used in new energy vehicle BMS systems, photovoltaic energy storage converters, industrial servo drives, high-power switching power supplies, smart electric energy meters and communication base station power supply equipment, the 3920 0.0002R(0.0002 Ohm) 12W 0.5% resistor undertakes core functions such as current sampling, loop shunting and overload current limiting. With superior material performance, mature production technology and standardized compliance certification, it is a reliable preferred component for high-precision and high-power electronic circuits, with broad market application prospects.