1206 SMD Ultra-low Ohmic Metal Alloy Chip Resistor
Size: 1206 (3.2mm × 1.6mm)
Resistance Range: Typically 0.5mΩ to 100mΩ
Tolerance: ±1% to ±5%
Power Rating: 0.5W to 1W (depending on the specific model)
Temperature Coefficient of Resistance (TCR): Low TCR, typically around ±75 ppm/°C
Operating Temperature Range: -55°C to +170°C
Material: Metal alloy (such as Ni-Cr or Cu-Mn)
Packaging: Tape and reel, suitable for automated SMD assembly
Description
Overview
Our 1206 metal chip resistors offer ultra-low resistance values and high stability, making them perfect for current measurement and power management applications. They are widely used in EV battery systems, motor drivers, and smart inverters.
Features of 1206 Metal Alloy Chip Resistor
- Low resistance range: 0.2mΩ to 5mΩ
- High power handling in compact size
- Excellent TCR and long-term stability
- RoHS and REACH compliant
There are many options of popular industry sizes: 0603, 0805, 1206, 2010, 2512, 3921, 4527, 0508, 0612, 0815, 1225, and 2139. 5K pcs per reel in smaller sizes 0603, 0805, 1206, 0508, and 0612. 4K pcs per reel for 2010, 2512, 0815, and 1225. 2K pcs per reel for 2139.
SMD Shunt Resistor Specifications
| Type | Power Rating at 70℃ (W) | Resistance Range (mΩ) | L (mm) | W (mm) | T (mm) | D (mm) |
|---|---|---|---|---|---|---|
| 6030 | 0.5 | 5 ~ 100 | 1.60±0.25 | 0.80±0.25 | 0.65±0.20 | 0.50±0.20 |
| 8050 | 0.75 | 4 ~ 270 | 2.00±0.25 | 1.20±0.25 | 0.65±0.20 | 0.50±0.20 |
| 1206 | 1 | 4 ~ 700 | 3.20±0.25 | 1.60±0.25 | 0.65±0.20 | 0.68±0.30 |
| 2010 | 1.5 | 2 ~ 35 | 5.08±0.25 | 2.54±0.25 | 0.65±0.20 | 2.10±0.30 |
| 2512 | 2 | 3 ~ 500 | 6.40±0.30 | 3.20±0.30 | 0.75±0.20 | 1.65±0.30 |
| 3921 | 4 | 0.75 ~ 560 | 6.40±0.30 | 3.20±0.30 | 0.75±0.20 | 1.65±0.30 |
| 3924 | 10 | 10 ~ 50 | 11.10±0.30 | 5.10±0.30 | 0.65±0.30 | 2.36±0.30 |
| 5275 | 10 | 10 ~ 50 | 11.60±1.0 | 7.10±1.0 | 0.65±0.30 | 2.70±0.40 |
| 5081 | 1 | 1 ~ 100 | 1.35±0.20 | 2.10±0.20 | 0.65±0.20 | 0.43±0.20 |
| 6121 | 1.5 | 2 ~ 100 | 1.60±0.25 | 3.20±0.25 | 0.65±0.20 | 0.50±0.30 |
| 8152 | 1 | 1 ~ 20 | 2.20±0.20 | 3.80±0.20 | 0.65±0.20 | 0.61±0.20 |
| 1225 | 3 | 1 ~ 100 | 3.20±0.30 | 6.40±0.30 | 0.65±0.20 | 0.60±0.20 |
| 2139 | 5 | 1 ~ 100 | 5.10±0.40 | 11.10±0.30 | 0.65±0.30 | 0.90±0.30 |
For more technical references on surface-mount resistors, visit the
IEC Standards Portal.
Applications:
Our current sense shunt resistors are widely used across multiple industries.
Firstly, in power management, they enable precise current monitoring in DC-DC converters, power supplies, and battery systems.
In the automotive sector, they support engine control units (ECUs), EV battery management, and inverter systems.
Moreover, telecommunications applications include network infrastructure and power modules.
In industrial settings, they are ideal for motor drives, VFDs, and energy monitoring.
Additionally, consumer electronics such as smartphones and laptops benefit from accurate battery sensing and thermal protection.
Lastly, medical devices—both portable and implantable—leverage their reliability for continuous power tracking.
Learn more about our SMD High Power Shunt Resistors
