Metal Strip High Power Low Value Current Sensing Chip Resistors
sizes: 0603, 0805, 1206, 2010, 2512, 3921, 4527, 0508, 0612, 0815, 1225, and 2139
Metal Strip High Power Low Value Current Sensing Chip Resistors
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.
| Type | PowerRating at 70℃(W) |
Resistance Range(m2) |
Dimensions(Unit:mm) | ||||||
| L | W | T | D | ||||||
| 603 | 0.5 | 5 | 1.60±0.25 | 0.80±0.25 | 0.65±0.20 | 0.50±0.20 | |||
| 6-~100 | 0.40±0.20 | ||||||||
| 805 | 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 | 2-3 | 5.08±0.25 | 2.54±0.25 | 0.65±0.20 | 2.10±0.30 | |||
| 4~500 | 0.70±0.30 | ||||||||
| 2512 | 2 | 2 | 6.40±0.30 | 3.20±0.30 | 0.75±0.20 | 1.65±0.30 | |||
| 3 | 0.75±0.20 | 1.65±0.30 | |||||||
| 4~560 | 0.65±0.20 | 1.05±0.30 | |||||||
| 3921 | 4 | 10~50 | 11.10±0.30 | 5.10±0.30 | 0.65±0.30 | 2.36±0.30 | |||
| 4527 | 5 | 10~50 | 11.60±1.0 | 7.10±1.0 | 0.65±0.30 | 2.70±0.40 | |||
| 508 | 1 | 1~100 | 1.35±0.20 | 2.10±0.20 | 0.6540.20 | 0.43±0.20 | |||
| 612 | 1.5 | 1 | 1.60±0.25 | 3.20±0.25 | 0.65±0.20 | 0.50±0.30 | |||
| 2~100 | 0.40±0.20 | ||||||||
| 815 | 2 | 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 | |||
Specifications:
Size: 2512 (2.5mm x 1.2mm)
Resistance Range: Typically 1mΩ to 100mΩ
Tolerance: ±1% to ±5%
Power Rating: 1W to 2W, depending on the specific model
Temperature Coefficient of Resistance (TCR): Low TCR, often around ±75 ppm/°C
Operating Temperature Range: -55°C to +170°C
Material: Alloy (such as Cu-Ni or Ni-Cr)
Packaging:Tape and reel for automated surface-mount assembly
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.
Advantages:
- High Accuracy:Ensures precise current measurement, improving the overall performance of power management systems.
- Space-Efficient: Compact size allows for use in space-constrained designs, suitable for modern miniaturized electronic devices.
- Enhanced Reliability:Designed to perform under harsh environmental conditions, ensuring long-term stability.
- Cost-Effective: Reduces the need for additional components by integrating current sensing and resistance functions in a single unit.
- Versatile: Suitable for a wide range of applications across various industries.
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