1206 New Ultra-low Ohmic Metal Chip Resistors
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Size: 1206 (3.2mm × 1.6mm)
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Resistance Range: Typically 0.5mΩ to 100mΩ
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Tolerance: ±1% to ±5%
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Power Rating: 0.5W to 1W (depending on the specific model)
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Temperature Coefficient of Resistance (TCR): Low TCR, typically around ±75 ppm/°C
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Operating Temperature Range: -55°C to +170°C
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Material: Metal alloy (such as Ni-Cr or Cu-Mn)
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Packaging: Tape and reel, suitable for automated SMD assembly
Description
1206 Ultra-Low Ohmic SMD Chip Resistor for Precision Current Sensing
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 |
Applications:
– Current Sensing in Power Management: Used in DC-DC converters, power supplies, and battery management systems.
– Automotive: Engine control units (ECUs), electric vehicle battery management, and inverters.
– Telecommunications: Power modules and network equipment.
– Industrial Equipment: Motor controls, frequency inverters (VFDs), and energy monitoring systems.
– Consumer Electronics:Smartphones, laptops, and other portable devices for battery monitoring and power management.
– Medical Devices: Power monitoring in portable and implantable devices.
