1225 SMD Chip Resistor 0.002R Metal Foil Resistors 3W HTE2512M3W0R002F

The 1225 0.002R(2mR) 3W 1% HTE2512M3W0R002F is a high-performance metal foil chip resistor designed for demanding applications where precision, stability, and reliability are critical. This component is part of a specialized series of resistors that leverage advanced metal foil technology to deliver exceptional electrical characteristics. With a very low resistance value of just 0.002 ohms (2 milliohms), a power rating of 3 watts, and a tight tolerance of 1%, this resistor is engineered for high-current sensing, power management, and precision measurement circuits. The "1225" designation refers to its compact 2512 package size (6.35mm x 3.18mm), making it suitable for modern high-density PCB designs while still handling significant power levels.

This high-performance metal foil chip resistor is engineered for modern electronics requiring ultra-low resistance, high power handling, and outstanding stability. The 2512 package (6.35mm x 3.18mm) provides an ideal solution for precision current sensing and management with minimal energy loss.

This resistor's metal foil construction provides superior performance characteristics:

• Ultra-Low Resistance Value: Capable of stable and reliable resistances in the milliohm range
• Excellent Temperature Coefficient: Minimal resistance drift across wide temperature ranges
• Low Inductance: Typically less than 0.1µH for high-frequency applications
• High Reliability: Exceptional long-term stability under operational stress
• Surge Load Withstand: Handles short-term current surges exceeding continuous rating

• Precision current sensing in power management systems and battery monitoring
• Automotive electronics for EVs and hybrid vehicle systems
• Industrial automation including motor drives and robotics
• Telecommunications infrastructure power supplies
• Test and measurement equipment requiring high accuracy

This product complies with RoHS, REACH, and lead-free requirements, meeting global environmental standards for electronics manufacturing.

One of the standout features of the 1225 0.002R(2mR) 3W resistor is its construction using metal foil technology. Unlike traditional thick or thin film resistors, metal foil resistors are known for their excellent stability, low temperature coefficient of resistance (TCR), and minimal inductance. The HTE2512M3W0R002F model, in particular, is designed to offer ultra-low resistance values with high precision, making it ideal for applications such as current sensing in power supplies, motor controls, battery management systems, and industrial automation. The resistor's ability to handle large currents with minimal voltage drop is a key advantage, enabling accurate current monitoring without significant power loss.

The 1225 0.002R(2mR) 3W resistor is built with a focus on reliability and durability. The metal foil element is mounted on a ceramic substrate, providing excellent thermal conductivity and mechanical stability. This design ensures that the resistor can dissipate heat efficiently, maintaining performance even under high power conditions. The 3W power rating is impressive for a component of this size, allowing designers to maximize power handling without increasing board space. Additionally, the resistor's low inductance (typically less than 10 nH) makes it suitable for high-frequency applications, where inductive effects could otherwise compromise circuit performance.

Environmental compliance is a critical aspect of modern electronic components, and the 1225 0.002R(2mR) 3W 1% HTE2512M3W0R002F meets stringent international standards. It is fully compliant with RoHS (Restriction of Hazardous Substances) and REACH regulations, ensuring that it is free from hazardous materials such as lead, mercury, cadmium, and certain phthalates. This makes the resistor an environmentally friendly choice, aligning with global efforts to reduce electronic waste and promote sustainability. The component is also designed for compatibility with lead-free soldering processes, which are now standard in the industry due to their environmental and health benefits.

The low TCR of the 1225 0.002R(2mR) 3W resistor is another significant advantage. TCR is a measure of how much the resistance value changes with temperature, and this component offers a very low TCR, typically within ±50 ppm/°C or better. This ensures stable performance across a wide temperature range, from -55°C to +170°C, which is essential for applications exposed to varying environmental conditions. Whether used in automotive systems, aerospace electronics, or industrial equipment, the resistor maintains its accuracy and reliability, reducing the need for calibration or compensation circuits.

In terms of electrical performance, the 1225 0.002R(2mR) 3W resistor exhibits excellent load life stability and low noise. The metal foil technology provides long-term stability, with minimal drift in resistance value over time, even under continuous full-load operation. This is particularly important for precision applications where consistent performance is required over the product's lifetime. The resistor's low noise characteristics also make it suitable for sensitive analog circuits, where excess noise could degrade signal integrity.

The HTE2512M3W0R002F model is designed for ease of integration into automated assembly processes. Its standard 2512 package allows for pick-and-place mounting, and the component is compatible with reflow soldering techniques. The resistor's termination is made with a nickel barrier layer followed by a tin coating, ensuring excellent solderability and resistance to oxidation. This robust construction enhances the reliability of the solder joint, reducing the risk of failure due to thermal cycling or mechanical stress.

Applications for the 1225 0.002R(2mR) 3W resistor are diverse and include power converters, inverters, welding equipment, and test and measurement instruments. In these applications, the resistor is often used as a shunt resistor for current sensing, where its low resistance value minimizes power loss while providing an accurate voltage signal proportional to the current. This voltage signal can then be amplified and measured by monitoring circuits, enabling precise control and protection functions.

In summary, the 1225 0.002R(2mR) 3W 1% HTE2512M3W0R002F metal foil chip resistor is a high-reliability component that offers exceptional performance for demanding electronic systems. Its combination of low resistance, high power handling, low TCR, and environmental compliance makes it a preferred choice for designers seeking precision and durability. With its robust construction and adherence to international standards, this resistor is well-suited for a wide range of industries, including automotive, industrial, telecommunications, and renewable energy. As electronic systems continue to evolve towards higher efficiency and greater integration, components like the 1225 0.002R(2mR) 3W resistor will play a crucial role in enabling next-generation technologies.