3920 0.002R (2m Ohm) 6W 1% ESR39F6WR002F02G Metal Shunt Resistor for High Precision Current Sensing
In the fields of power detection, power control, industrial electronic control, and new energy electronics, low resistance high-power shunt resistors are the core components for current sampling, circuit stabilization, and overload protection. The 3920 0.002R (2m Ohm) 6W 1% ESR39F6WR002F02G metal shunt surface mount resistor has become the preferred device for high-precision current detection in the industry due to its excellent comprehensive performance. This 3920 0.002R (2m Ohm) 6W resistor adopts standardized 3920 chip packaging specifications, with packaging sizes adapted to mainstream chip soldering processes, and can be compatible with automated SMT production, greatly improving electronic component assembly efficiency.
It is widely used in high-end electronic scenarios such as industrial control equipment, automotive electronics, energy storage power supplies, and precision instruments.
From the perspective of core parameters, the 3920 0.002R (2m Ohm) 6W metal shunt patch resistor has a nominal resistance value of 0.002R (2m Ohm). Its extremely low resistance property is suitable for high current acquisition conditions, with a rated power of up to 6W, and can stably carry high-power circuit loads for a long time. The resistance accuracy is strictly controlled within ± 1%, and the resistance deviation is accurately controlled to meet the sampling requirements of high-precision circuits. The product model ESR39F6WR002F02G clearly indicates the product specifications and attributes, with regular coding, making it easy for procurement selection, warehouse management, and engineering and technical personnel to quickly identify and adapt. It is a highly versatile precision alloy resistor in industrial electronic matching.
The material determines the service life and operational stability of the resistor. This 3920 0.002R (2m Ohm) 6W metal shunt patch resistor is made of high-quality FaCrAl iron chromium aluminum alloy material, which is different from ordinary manganese copper and constantan resistor materials. FaCrAl material has the core advantages of high temperature resistance, oxidation resistance, and stable resistivity. The internal metal structure is dense and uniform, eliminating the problem of resistance fluctuation caused by material impurities. The metal integrated molding process makes the resistor body structure sturdy, with outstanding resistance to deformation, suitable for complex and harsh industrial working environments, effectively avoiding problems such as vibration, resistance damage under high temperature environments, parameter drift, and other faults.
Environmental compliance is a fundamental and mandatory requirement for modern electronic components. The 3920 0.002R (2m Ohm) 6W resistor strictly follows international environmental production standards and uses lead-free production processes throughout the entire process. It fully complies with the dual environmental certification requirements of RoHS and REACH, has no harmful heavy metals, no corrosive chemical additives, and is green and pollution-free. Whether it is civilian consumer electronics, commercial industrial control equipment, or exported electronic products, this resistor can smoothly pass environmental testing, avoid environmental compliance risks, adapt to the environmental access standards of various electronic products worldwide, and is a high-quality supporting component for green electronic engineering.
Temperature drift is a key pain point that affects the accuracy of low resistance resistance detection. This 3920 0.002R (2m Ohm) 6W metal shunt chip resistor optimizes material ratio and production process, and has excellent low-temperature drift characteristics. Under the working conditions of alternating high and low temperatures and long-term power on heating, the resistance value will not fluctuate significantly with changes in ambient temperature and operating temperature. The temperature coefficient is controlled in an extremely low range to ensure accurate current sampling data during continuous operation of the circuit, perfectly adapting to circuit systems with strict requirements for parameter stability such as precision detection and signal acquisition.
The accuracy level of the 3920 0.002R (2m Ohm) 6W resistor reaches ± 1%, which belongs to the high-precision level in the low resistance high-power resistor category. Relying on precision rolling and laser adjustment processes, the deviation of resistance values is strictly limited. After multiple resistance value sampling and calibration at the factory, the consistency of each resistance parameter is extremely high. In circuits such as power current limiting, battery balancing, and current monitoring, precise resistance values can provide accurate feedback signals to the chip, assisting the circuit in completing voltage stabilization, current limiting, and overload protection actions, reducing the probability of circuit failures.
Instantaneous surge and pulse high voltage in circuits are one of the main causes of electronic component damage. This 3920 0.002R (2m Ohm) 6W metal shunt surface mount resistor, with its FaCrAl alloy material characteristics and integrated metal welding structure, has strong anti surge and anti pulse impact capabilities. In the face of sudden operating conditions such as instantaneous current surge, voltage fluctuation, and short-term overload during circuit startup, the resistor will not experience problems such as breakdown, melting, or resistance variation. It can withstand instantaneous high current surge, improve the anti-interference ability and operational safety of the entire circuit, and is suitable for industrial frequency converters, charging piles, motor drives, and other scenarios that are prone to surge currents.
At the process level, the 3920 0.002R (2m Ohm) 6W metal shunt chip resistor adopts a chip packaging design, and the electrode is made of high conductivity pure copper material. The surface is passivated and rust proofed, with excellent welding compatibility and strong solder paste adhesion, making it less prone to virtual soldering and desoldering problems. The optimized heat dissipation structure of the resistor body, combined with the 3920 large-sized package, provides a larger contact area for heat dissipation. With a rated power of 6W, the heat dissipation efficiency is outstanding, and there will be no heat accumulation during long-term high load operation, effectively delaying component aging and extending service life. At the same time, the ultra-low ESR equivalent series resistance further optimizes the circuit's conductivity performance and reduces its own power consumption loss.
In terms of application areas, this 3920 0.002R (2m Ohm) 6W resistor has a wide range of adaptability. In the field of new energy, it can be used for lithium battery protection boards and energy storage power supply current sampling; Adapt to frequency converters, servo drives, and industrial control motherboards in the field of industrial electrical control; Applied in the field of automotive electronics for vehicle power supply and automotive electronic control detection modules; At the same time, it can also be used for precision instruments, medical electronics, communication power supplies and other equipment, providing precise current diversion, current detection, and overload protection functions for various circuits.
Overall, the 3920 0.002R (2m Ohm) 6W 1% ESR39F6WR002F02G metal shunt patch resistor integrates three core advantages: high-quality FaCrAl alloy material, high-precision manufacturing process, and environmentally friendly production standards. It has multiple characteristics such as low temperature drift, high precision, strong surge resistance, high heat dissipation, and long life. Standardized 3920 package, 6W high power, 0.002R ultra-low resistance, accurately matching the requirements of high current precision sampling circuits, while complying with global electronic production standards with environmentally friendly properties. Whether it is high-end industrial equipment or intelligent electronic products for civilian use, this 3920 0.002R (2m Ohm) 6W resistor can stably perform, ensuring safe, precise, and long-term operation of circuits. It is a benchmark product for high cost-effectiveness and high reliability in low resistance high-power shunt resistors.
