2725 Alloy Resistors Main Manufacturers and Product Selection Guide
>In the field of high current detection and precision control, 2725 alloy resistors have become the first choice for many design engineers due to their excellent performance.
2725 alloy resistor, as a high-power, low resistance current detection resistor, plays an important role in power management, battery protection board, frequency converter and other circuits. Its 2725 size (6.8mm × 6.5mm) provides excellent heat dissipation performance, allowing for larger currents to pass through.
To assist engineers in quickly selecting, the following will introduce several professional manufacturers of 2725 alloy resistors and their product features.
1、 Main manufacturers and product introductions
Yineng (EMA series)
The EMA series 2725 alloy resistor produced by Yineng Electronics is one of the common models in the market, with the characteristics of 4W high power and ± 1% accuracy.
Product model: EMA27F4W00M30MJG
Key parameters: resistance 0.0003 Ω (0.3m Ω), accuracy ± 1%, temperature coefficient ± 150PPM, power 4W
Features: Made of MnCu alloy material, compliant with RoHS directive
Packaging: Minimum packaging quantity of 1000 pieces, suitable for bulk procurement
Stackpole Electronics (CSS series)
The CSS series from Stackpole Electronics is an ultra precision metal alloy current sensing resistor that meets the AECQ200 automotive grade standard.
Product model: CSS2725JT1L00
Key parameters: resistance value of 0.001 Ω, accuracy of ± 5%, temperature coefficient of ± 50ppm/℃, power of 4W
Features: Working temperature range of 55 ℃~225 ℃, using metal alloy technology, providing roll and tape packaging
Application: Especially suitable for automotive electronics and high-precision current detection applications
Meritek Electronics (MLR series)
Meritek's MLR series 2725 alloy resistors focus on current detection, voltage division, and pulse applications.
Product model: MLR27254R000931F
Key parameters: resistance 0.000931 Ω, accuracy ± 1%, temperature coefficient 50ppm/℃, power 4W
Features: Extremely low inductance (0.5nH to 5nH), excellent frequency response
Working temperature: 55 ℃~+170 ℃
2、 Common characteristics of 2725 alloy resistors
By analyzing the products of various manufacturers, 2725 alloy resistors have the following common characteristics:
High power processing capability: It generally provides a rated power of 3W4W and can withstand the instantaneous impact of large currents.
Ultra low resistance range: The resistance range is between 0.25m Ω and 100m Ω, suitable for high current detection.
Excellent temperature characteristics: The temperature coefficient is usually ± 15PPM to ± 150PPM, maintaining stability at different temperatures.
Multiple precision options: Provides multiple precision levels such as ± 0.5%, ± 1%, ± 2%, and ± 5% to meet the needs of different application scenarios.
Advanced alloy materials: using metal alloy materials, with low thermal electromotive force and excellent frequency response.
3、 Considerations for Choosing 2725 Alloy Resistors
Resistance accuracy requirements: For ordinary applications, a precision of ± 5% can be selected, while for precision current detection, a precision of ± 1% or higher is recommended.
Temperature coefficient matching: Select products with appropriate temperature coefficients based on changes in the application environment temperature. It is recommended to choose products with low temperature drift coefficients for high and low temperature environments.
Certification requirements: Automotive electronic applications must select products that comply with AECQ200 standards; Export products need to pay attention to RoHS compliance.
Supplier stability: Consider the supplier's delivery cycle and inventory situation to avoid affecting production plans.
summary
2725 alloy resistors play an important role in power electronic devices and precision current detection. Manufacturers such as Yineng, Stackpole, and Meritek offer unique 2725 alloy resistor products.
Engineers should comprehensively consider parameters such as resistance, accuracy, temperature coefficient, and certification requirements when selecting, and choose the most suitable model based on actual application scenarios.
