2512 SMD Current Sense Resistor with Metal Alloy for DC/AC circuits.
● Power: 1W~3W
● Resistance value: 1mR~500mR
● Accuracy: ± 0.5% ± 1% ± 5% ● Temperature coefficient (TCR): ≤± 50ppm, ± 75ppm
● Meet ROHS requirements and halogen-free requirements
Description
Overview
The 2512 SMD Current Sense Resistor with Metal Alloy offers accurate current detection for both DC and AC circuits. It features low resistance, tight tolerance, and stable performance across a wide temperature range.
With its compact 2512 package and metal alloy construction, it ensures low inductance and high reliability. Commonly used in power management, battery packs, motor control, and DC-DC converters, it’s an ideal solution for space-saving, high-efficiency designs requiring precise current monitoring.

Dimension & Technical Parameters
Type | Resistance | L (mm) | W (mm) | C (mm) |
---|---|---|---|---|
2512 | 1mΩ ~ 4mΩ | 6.4±0.2 | 3.2±0.2 | 2.0±0.2 |
2512 | 5mΩ ~ 500mΩ | 6.4±0.2 | 3.2±0.2 | 0.9±0.2 |
Rated Power | 1mΩ ≤ R ≤ 100mΩ (1W, 1.5W, 2W, 3W) 100mΩ < R ≤ 500mΩ (1W, 1.5W, 2W) |
Resistance Range | 1mΩ ~ 500mΩ |
Max. Rated Current | 1.41A ~ 54.77A |
Accuracy Class | 0.5%, 1%, 5% |
T.C.R (ppm/°C) | ±50, ±75 |
Operating Temperature Range | -50°C ~ +170°C |
Key Features of 2512 SMD Current Sense Resistors
Compact 2512 package for space-constrained applications
Metal alloy construction for low TCR and long-term stability
Low resistance values for high-efficiency current sensing
Suitable for DC-DC converters, battery packs, motor control, and power supplies
High thermal stability and low inductance
What Are SMD Current Sense Resistors?
SMD current sense resistors are essential components in modern electronics, especially for accurate current monitoring and power management. These resistors help detect current flow in a circuit by converting current to a small, measurable voltage drop. Our 2512 metal alloy version ensures precise sensing in both DC and AC circuits.
Applications
Current sensing and control in power supplies
High-precision load measurement in industrial automation systems
Motor drives and frequency inverter systems
Communication equipment and precision instruments
- View our full SMD Resistor Series
- For more technical references on surface-mount resistors, visit the
IEC Standards Portal.