2512 Size 0.00075Ω (0.75m Ohm) 6W Metal Shunt Chip Resistor for Current Sensing

Product Specification

 InDepth Introduction to the 2512 0.00075Ω (0.75m Ohm) 6W 1% ESR25F6W0M75M04G Metal Shunt Chip Resistor

In the realm of modern electronics, precision power measurement and current sensing are critical for ensuring system efficiency, safety, and reliability. The 2512 0.00075Ω (0.75m Ohm) 6W 1% ESR25F6W0M75M04G metal shunt chip resistor stands out as a premier component designed to meet these demanding requirements. This advanced resistor is engineered for highpower applications where accuracy, stability, and durability are paramount. Compliant with RoHS, REACH, and leadfree environmental standards, it incorporates superior materials like MnCu (Manganin Copper alloy) to deliver exceptional performance. With its robust antisurge capability, low inductance, and high power handling, this resistor is an ideal choice for a wide range of industrial, automotive, and renewable energy systems.

 Product Overview and Specifications

The 2512 0.00075Ω (0.75m Ohm) 6W resistor belongs to the family of metal shunt resistors, specifically designed for current sensing applications. The "2512" designation refers to its chip size (6.35mm x 3.18mm), which is standard for highpower surface mount devices (SMD). With an extremely low resistance value of 0.00075Ω (or 0.75 milliohms), it minimizes voltage drop during current flow, ensuring efficient energy conversion. The resistor boasts a high power rating of 6W, allowing it to dissipate significant heat without performance degradation. Its tight tolerance of 1% ensures precise current measurement, which is crucial for feedback control systems. The model code "ESR25F6W0M75M04G" typically indicates its series, size, power rating, resistance value, and tolerance, making it easily identifiable for design engineers.

 Key Features and Technological Advantages

1. UltraLow Resistance and High Precision: The 0.00075Ω resistance value is achieved through advanced metallurgy and manufacturing processes. This ultralow resistance is essential for minimizing power loss and heat generation in highcurrent pathways. The 1% tolerance guarantees consistent accuracy, which is vital for applications like battery management systems (BMS) and motor drives.

2. High Power Handling (6W): The 6W power rating is exceptionally high for a chip resistor of this size. This is made possible by the use of a metal alloy with a low temperature coefficient of resistance (TCR) and an efficient thermal design. The component can operate reliably in environments with high current surges, making it suitable for rugged applications.

3. MnCu (Manganin) Alloy Construction: The resistor is fabricated from MnCu, a copperbased alloy containing manganese and nickel. This material is chosen for its excellent electrical properties, including low TCR, longterm stability, and minimal thermoelectric effect. MnCu also provides strong resistance to oxidation and corrosion, enhancing the product's lifespan.

4. Low Inductance Design: In highfrequency switching applications, parasitic inductance can cause inaccurate readings and system instability. The 2512 0.00075Ω (0.75m Ohm) 6W resistor is engineered with a lowinductance structure (<10nH typical), ensuring reliable performance in fastswitching circuits like DCDC converters and inverters.

5. Strong AntiSurge Capability: The component can withstand high pulse currents without damage. This antisurge characteristic is critical for protecting circuits from unexpected transients, such as those encountered in automotive startups or industrial machinery.

6. Environmental Compliance: The product meets RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) directives, ensuring it is free from hazardous materials like lead, mercury, and cadmium. This makes it environmentally friendly and suitable for global markets.

 Applications

The 2512 0.00075Ω (0.75m Ohm) 6W metal shunt resistor is widely used in applications requiring precise current monitoring and high power dissipation:

 Automotive Systems: In electric vehicles (EVs) and hybrid cars, it is used for battery current sensing, motor control, and charging systems.

 Renewable Energy: Solar inverters and wind turbine controllers utilize these resistors for maximum power point tracking (MPPT) and overload protection.

 Industrial Equipment: Programmable logic controllers (PLCs), robotics, and power supplies rely on them for accurate feedback and fault detection.

 Consumer Electronics: Highend servers, gaming consoles, and power tools benefit from their efficiency and reliability.

 SEOOptimized Conclusion

For engineers seeking a highperformance current sensing solution, the 2512 0.00075Ω (0.75m Ohm) 6W resistor offers an unmatched combination of low resistance, high power, and precision. Its compliance with RoHS and REACH, along with leadfree construction, aligns with modern environmental standards. The use of MnCu material ensures stability and low TCR, while its low inductance and antisurge capabilities make it a robust choice for demanding environments. Whether for automotive, industrial, or green energy applications, this resistor provides the accuracy and durability needed for nextgeneration electronic designs. By integrating the 2512 0.00075Ω (0.75m Ohm) 6W component, manufacturers can enhance system efficiency and reliability while meeting global regulatory requirements.