Ellon ESR25F2W5R005F04G 2512 0.005R(5mOhm) 2W ±1% FeCrAl Metal Shunt Chip Resistor

With the rapid development of the electronics industry, the demand for high-current, high-precision, and highly stable current detection and shunting is increasing sharply. The Ellon ESR25F2W5R005F04G 2512 0.005R(5mOhm) 2W 1% FeCrAl Metal Shunt Chip Resistor has become a core component in fields such as power management, industrial control, and new energy due to its excellent performance. It perfectly meets the requirements of current sampling and power shunting under harsh working conditions. This 2512 0.005R(5mOhm) 2W resistor is a benchmark product of Ellon in the field of precision alloy resistors, integrating multiple advantages such as environmental compliance, low temperature coefficient, high precision, and strong surge resistance, providing reliable support for stable circuit operation.

The Ellon ESR25F2W5R005F04G is a metal shunt chip resistor with a standard 2512 package. Its core parameters accurately meet high-end industry requirements: nominal resistance 0.005R (5mOhm), rated power 2W, tolerance ±1%, and FeCrAl (Iron-Chromium-Aluminum) alloy as the resistor body material. It is a typical representative of low-resistance, high-power, high-precision shunt resistors.

• Brand: Ellon
• Model: ESR25F2W5R005F04G
• Package Size: 2512 (6.4mm×3.2mm×0.95mm)
• Nominal Resistance: 0.005R (5mOhm)
• Rated Power: 2W (at 70°C)
• Resistance Tolerance: ±1%
• Resistor Material: FeCrAl (Iron-Chromium-Aluminum) Alloy
• Temperature Coefficient of Resistance (TCR): ≤±50ppm/°C (Low TCR)
• Environmental Rating: Compliant with RoHS, REACH, and Lead-Free Requirements
• Surge Resistance: Strong, capable of withstanding short-term high-current impacts
• Operating Temperature: -55°C~+175°C

Against the backdrop of increasingly stringent global environmental policies, the Ellon 2512 0.005R(5mOhm) 2W resistor strictly complies with international environmental production standards. It adopts a lead-free production process throughout and fully meets RoHS and REACH environmental certification requirements, with no harmful substances such as lead, mercury, or cadmium precipitated. It is compatible with environmental access standards for electronic products in many countries worldwide.

Whether in consumer electronics, industrial automation equipment, vehicle electronic control, or new energy devices, this 2512 0.005R(5mOhm) 2W resistor can be used in compliance, perfectly aligning with the green and low-carbon development trend of the electronics industry. It helps customers' products easily pass various environmental certifications and reduces the risks of export and market access.

The Ellon 2512 0.005R(5mOhm) 2W resistor uses FeCrAl (Iron-Chromium-Aluminum) alloy as the core resistor body material. This is its key advantage over ordinary thick-film chip resistors and copper-nickel alloy resistors, and the core reason for achieving low temperature coefficient, high precision, and strong surge resistance.

1. Low Temperature Coefficient: FeCrAl alloy has an extremely low thermal expansion coefficient, with a TCR of ≤±50ppm/°C, far superior to ordinary thick-film resistors (±200~±500ppm/°C). In the wide temperature range of -55°C~+175°C, the resistance drift of the 2512 0.005R(5mOhm) 2W resistor is minimal, ensuring high-precision current sampling under full-temperature operating conditions and avoiding circuit errors caused by temperature fluctuations.
2. High Stability and Oxidation Resistance: FeCrAl alloy is resistant to high temperatures, oxidation, and fatigue. It does not age easily or experience resistance drift under long-term high-current operation, effectively extending the service life of the 2512 0.005R(5mOhm) 2W resistor and reducing equipment maintenance costs.
3. Strong Surge Resistance: FeCrAl alloy has excellent short-term overload capability and can withstand pulsed high-current impacts. The 2512 0.005R(5mOhm) 2W resistor is not easily burned under surge conditions such as power startup, load mutation, and short circuit, adapting to circuit environments with high current and high pulses.
4. Low Resistivity Adaptation: FeCrAl alloy has a moderate resistivity, perfectly meeting the production requirements of milliohm-level low resistance (5mOhm). It balances low resistance and high power characteristics, solving the * point that ordinary resistors cannot simultaneously achieve low resistance, high power, and high precision.

The Ellon 2512 0.005R(5mOhm) 2W resistor adopts an integrated metal stamping and forming process, combined with a high-temperature sintering and encapsulation structure. There are no loose splicing structures inside, making the overall structure dense and solid, ensuring product stability from the process level.

• 2512 Package Optimizes Heat Dissipation: The large 2512 package (6.4mm×3.2mm) is designed with wide copper electrodes, which greatly increases the heat dissipation contact area. It perfectly meets the high-power operating requirements of the 2512 0.005R(5mOhm) 2W, quickly dissipating heat and preventing component damage caused by heat accumulation.
• High-Precision Laser Trimming: Laser trimming technology is used to strictly control the resistance tolerance of the 2512 0.005R(5mOhm) 2W resistor within ±1%. Compared with conventional ±5% tolerance resistors, the measurement error is reduced by 80%. It can accurately reflect changes in circuit current, providing reliable data support for overcurrent protection, power metering, and closed-loop control.
• Insulation Protective Coating: The surface is coated with a high-temperature resistant insulation protective coating, which has moisture-proof, sulfur-resistant, and corrosion-resistant properties. It adapts to harsh working environments such as humidity, dust, and corrosion, further enhancing the environmental adaptability and service life of the 2512 0.005R(5mOhm) 2W resistor.

With FeCrAl material and precision technology, the 2512 0.005R(5mOhm) 2W resistor achieves a low TCR of ≤±50ppm/°C. At extreme temperatures of -55°C~+175°C, the resistance change is negligible, ensuring current detection accuracy in wide-temperature scenarios such as industrial control and vehicle electronics, and avoiding circuit failures caused by temperature errors.

The ±1% resistance tolerance places the 2512 0.005R(5mOhm) 2W resistor in the high-precision shunt resistor category. It can accurately capture tiny current changes, adapting to scenarios requiring strict current precision such as precision power supplies, instruments, and new energy battery management systems (BMS), providing accurate current feedback signals for circuits.

The excellent surge resistance of FeCrAl material allows the 2512 0.005R(5mOhm) 2W resistor to withstand short-term currents several times the rated value. It is not easily damaged under high-surge conditions such as power-on, load short circuit, and motor startup, greatly improving circuit safety and stability and reducing equipment failure rates.

• Power Management: Current sampling and overcurrent protection for switching power supplies, DC-DC converters, and UPS power supplies.
• New Energy Field: Current detection and power shunting for lithium battery BMS, photovoltaic inverters, and charging piles.
• Industrial Control: Current feedback and overload protection for servo drives, frequency converters, and industrial PLCs.
• Vehicle Electronics: Automotive electronic control units (ECUs), on-board chargers, and new energy vehicle motor controllers.
• Precision Instruments: Standard resistors and current sampling for electronic loads, power analyzers, and precision ammeters.

In summary, the Ellon ESR25F2W5R005F04G 2512 0.005R(5mOhm) 2W 1% FeCrAl Metal Shunt Chip Resistor is a high-end shunt resistor integrating environmental compliance, low temperature coefficient, high precision, and strong surge resistance. The core parameters of 2512 0.005R(5mOhm) 2W accurately meet high-current and high-precision requirements. The FeCrAl material lays the foundation for performance, precision technology ensures stable quality, and environmental compatibility adapts to global markets. It is an ideal choice for current sampling and shunting in fields such as power supplies, new energy, and industrial control, providing reliable support for the stable, efficient, and safe operation of electronic equipment.