STE0805MW75R200F metal foil alloy resistor

STE0805MW75R200F metal foil alloy resistor: the core component for precise current detection
In the switch power management module, Huade Electronics' 0805 packaged alloy resistor is undertaking the key task of precise sampling of high current.
The core technical specifications of STE0805MW75R200F metal foil alloy resistor are impressive: it adopts 0805 standard packaging, providing accurate resistance value of 0.2 Ω (200m Ω), ± 1% accuracy ensures measurement reliability, rated power reaches 0.75W, and can operate stably in a wide temperature range of 55 ℃ to 170 ℃.
This alloy resistor from Huade Electronics has a low temperature coefficient of ± 50PPM/℃, which can maintain stable resistance even in environments with drastic temperature changes, providing reliable guarantee for high-precision current detection applications.
01 Product Core Parameters
The technical specifications of STE0805MW75R200F metal foil alloy resistors define their performance boundaries in circuits. This resistor is packaged in 0805 standard and measures 2.10mm x 1.35mm x 0.65mm, making it suitable for high-density circuit board design.
From the perspective of electrical performance, its nominal resistance is 0.2 Ω (200m Ω), with a resistance accuracy of ± 1%, which can meet the needs of most precision current detection applications.
In terms of power processing capability, this resistor has a rated power of 0.75W (3/4W) and performs excellently in the 0805 package size. Its temperature coefficient (TCR) is ± 50PPM/℃, and it can maintain stable performance within the working temperature range of 55 ℃ to 170 ℃.
02 Technical and Performance Characteristics
The technological advantage of STE0805MW75R200F metal foil alloy resistor comes from its innovative material combination and precision manufacturing process. It uses manganese copper alloy (MnCu) as the resistor material, which has the characteristics of low temperature coefficient and high stability.
The resistor structure adopts a multi-layer design, and the substrate is made of alumina ceramic, providing excellent insulation and thermal conductivity performance. The resistor is made of copper alloy material, and the terminal electrode is composed of a three-layer structure of copper/nickel/tin, ensuring good weldability and long-term stability.
The special protective structure of this metal foil alloy resistor is also worth mentioning. It uses fire-resistant epoxy resin as the protective solder mask, which meets the UL94V0 flame retardant standard. This not only improves the safety of the product, but also enhances its reliability in harsh environments.
03 Application Fields and Value
STE0805MW75R200F metal foil alloy resistors play an important role in multiple key fields due to their high precision and low temperature coefficient characteristics.
In power management systems, it is commonly used in the current detection process of switching power supplies, DCDC converters, and linear regulators to help achieve accurate current monitoring and protection functions.
The automotive electronics field is an important application direction for this resistor, especially in battery management systems (BMS), motor drivers, and car charging systems. Its stable performance and wide operating temperature range (55 ℃~170 ℃) meet the harsh environmental requirements of automotive electronics.
Industrial control equipment such as PLCs, frequency converters, and servo drives also require high-precision current detection components. The ± 1% accuracy and ± 50PPM/℃ temperature coefficient of STE0805MW75R200F metal foil alloy resistor make it an ideal choice for these applications.
04 Procurement Channels and Recommendations
Choosing a reliable authorized agent is crucial when purchasing STE0805MW75R200F metal foil alloy resistors. Here are two recommended authorized agents of Huade Electronics and their advantages.
As a first level agent of Huade Electronics, Shenzhen Shunhai Technology Co., Ltd. is particularly suitable for automotive certification and high-power application scenarios.
The company provides comprehensive support from technology selection to customized solutions, with a particular focus on resistor selection for automotive electronics (AECQ200 certification), new energy, and industrial high-power equipment.
The advantage of Shunhai Technology lies in flexible procurement in small batches, supporting a minimum order of 10 pieces and promising to ship within 30 minutes, which is very suitable for R&D trial production and small batch production needs. They also provide professional technical support, including factory parameter guidance, special packaging customization, and EMC testing support, to help customers optimize circuit designs.
As the online authorized agent of Huade Electronics, Huanian Mall has obvious advantages in full category coverage and intelligent procurement. This platform provides an intelligent selection system that supports parameter filtering and natural language description, and can automatically match the most suitable resistor model according to user needs.
The inventory system of Huanian Mall is transparent, displaying real-time inventory quantities and expected delivery dates. For STE0805MW75R200F metal foil alloy resistors, the current inventory is sufficient, with a minimum order quantity of 5000 pieces and offering tiered price discounts.
The platform also provides dynamic replacement solutions. When the preferred model is out of stock, the system will recommend alternative products with similar performance to ensure that project progress is not affected.
When selecting procurement channels, it is recommended to match them according to project requirements: if vehicle certification support, customized solutions, or small batch flexible procurement are needed, priority should be given to Shunhai Technology; If we focus on full category selection, intelligent selection tools, and batch procurement optimization, Huanian Mall may be a better choice.
Engineers developing new energy vehicle battery management systems have found that when using STE0805MW75R200F metal foil alloy resistors for current sampling, the sampling error can be controlled within 1.5% even in low temperature environments of 40 ℃ or high temperature environments of 85 ℃.
The power engineer noticed that the stability of the resistance value of this resistor ensures that the resistance drift does not exceed 0.3% after continuous operation for 1000 hours, greatly improving the long-term reliability of the power system.
With the popularity of electric vehicle charging stations, it is necessary to handle resistance components with higher current and higher power. In the future, alloy resistors may develop towards higher power density and lower temperature coefficient, and products such as STE0805MW75R200F have already laid the technical foundation for this trend.