Metal Alloy E-Welded Chip Shunt – Accurate PCB Current Measurement
Description
Reliable EB Welded Chip Shunt – Accurate PCB Current Measurement
EB welded chip shunt resistors provide highly accurate current sensing for demanding PCB applications. Their electron-beam welded structure ensures superior mechanical and thermal stability, making them ideal for industrial automation, motor control, and high-current DC circuits. Designed for reliability in harsh environments, these shunts minimize measurement errors while supporting high-speed switching applications.
Key Features of EB Welded Chip Shunt
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EB welded structure for superior mechanical and thermal stability
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Low resistance values: 50μΩ – 5mΩ
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High power rating up to 10W
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Tight tolerance and TCR as low as ±15 ppm/°C
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Wide operating temperature: -55°C to +170°C
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Non-inductive design for high-speed switching environments
Product Size
| Model | Resistance | W (mm) | A (mm) | B (mm) | H (mm) | D2 (mm) | T (mm) |
|---|---|---|---|---|---|---|---|
| 1575 | 0.1mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 2.5±0.2 | 2.0±0.1 | 4.2±0.5 |
| 1575 | 0.2mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 2.0±0.2 | 1.50±0.1 | 4.2±0.5 |
| 1575 | 0.3mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 1.46±0.2 | 0.92±0.1 | 4.2±0.5 |
| 1575 | 0.5mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 1.7±0.2 | 1.15±0.1 | 4.2±0.5 |
| 1575 | – | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 1.1±0.2 | 0.56±0.1 | 4.2±0.5 |
| 1575 | 0.75mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 0.9±0.2 | 0.40±0.1 | 4.2±0.5 |
| 1575 | 1mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 1.4±0.2 | 0.90±0.1 | 4.2±0.5 |
| 1575 | 1.5mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 1.1±0.2 | 0.64±0.1 | 4.2±0.5 |
| 1575 | 2mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 1.0±0.2 | 0.48±0.1 | 4.2±0.5 |
| 1575 | 2.5mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 0.9±0.2 | 0.40±0.1 | 4.2±0.5 |
| 1575 | 3mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 0.8±0.2 | 0.30±0.1 | 4.2±0.5 |
| 1575 | 4mR | 15.2±0.5 | 7.6±0.5 | 5±0.5 | 0.5±0.2 | 0.24±0.1 | 4.2±0.5 |
Electrical performance:
| Parameter | Value |
|---|---|
| Resistance Values (mR) | 0.1 to 4 |
| Rated Power (W) | 7 |
| Accuracy (%) | 0.5 to 5 |
| TCR (ppm/℃) | 25~50 |
| Operating Temperature Range | -50℃ ~ +170℃ |
| Inductance (nH) | <10 |
Applications of EB Welded Chip Shunt
EB welded chip shunts are engineered for precision current sensing across industrial and high-current applications:
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Variable Frequency Drives (VFDs) & Frequency Converters – accurate motor monitoring and protection against overcurrent or thermal stress.
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Industrial automation & motor control – ensures stable, reliable measurements in harsh manufacturing environments.
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High-current DC circuits – minimizes signal distortion in high-speed switching, critical for advanced control systems.
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Custom electronics projects – provides dependable, non-inductive current sensing for engineers designing precise measurement solutions.
- Need custom specifications or samples?
- Contact us today to discuss your project requirements.
PCB design guide:
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Place the shunt close to the current path to reduce parasitic resistance.
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Ensure proper thermal relief and copper thickness to handle rated current.
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Use non-inductive layout to maintain high-speed switching performance.
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Consider adding decoupling or filtering capacitors nearby for noise-sensitive applications.
Why Choose EB Welded Chip Shunt?
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Superior long-term stability compared to conventional soldered types
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Minimized thermal EMF for accurate current sensing
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Ideal for harsh and high-reliability environments
Customization & Sample Requests
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Custom resistance and dimensions available
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Samples provided for testing and evaluation
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Contact us today to discuss your PCB current measurement project
