SMD Metal Strip Shunt Resistor | Low Ohm Current Sense Resistor
Description
SMD Metal Strip Shunt Resistor for High Accuracy Current Sensing
SMT Metal Strip Shunt Resistors are precision low ohm current sensing components designed for accurate PCB current measurement in power electronics, battery management systems, industrial controls, and energy monitoring applications.
Using advanced electron beam welded (EB-welded) metal strip construction, these SMD current sense resistors provide excellent electrical stability, low inductance characteristics, and reliable performance under high current and dynamic load conditions.
With resistance values from 50μΩ to 5mΩ, these low ohm shunt resistors enable precise current measurement while maintaining low power loss and stable temperature performance. Their compact surface mount design makes them ideal for space-constrained PCB assemblies requiring high accuracy and long-term reliability.
Product Features:
-
✅ EB welded structure for superior mechanical and thermal stability
-
✅ Low resistance values from 50μΩ to 5mΩ
-
✅ High power rating up to 10W
-
✅ TCR as low as ±15 ppm/°C for stable current measurements
-
✅ Wide operating temperature: -55°C to +170°C
-
✅ Non-inductive design, ideal 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 Specifications of SMT Metal Strip Shunt Resistor:
| 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 SMT Metal Strip Shunt Resistors
SMD Metal Strip Shunt Resistors are widely used for accurate current measurement and protection in high-performance power electronics systems. With low resistance, low inductance design, and stable thermal performance, they provide reliable current monitoring under demanding operating conditions.
Common applications include:
• Power Supplies and DC/DC Converters
Current monitoring and feedback control in switching power supplies, DC/DC converters, and power management systems.
• AC/DC Converters and Inverters
Accurate current sensing for energy conversion equipment, improving system efficiency and circuit protection.
• Variable Frequency Drives (VFDs) and Motor Control
Reliable current measurement in industrial motor drives, frequency converters, and automation systems.
• Battery Management Systems (BMS)
Precise current monitoring for battery charging, discharging, and protection circuits.
• High Current DC Circuits
Accurate measurement of high current flow with minimal power loss.
• Industrial Automation Equipment
Stable current sensing performance for control systems, robotics, and industrial electronics.
Why Choose Our SMT Metal Strip Shunt Resistors?
• High Accuracy Current Measurement
Designed for precise current sensing with ultra-low resistance values and stable TCR performance.
• Reliable High Current Performance
Advanced metal strip construction provides excellent thermal stability and long-term reliability under continuous current loading.
• Compact Surface Mount Design
The SMD package enables space-saving PCB integration for modern power electronics applications.
• Consistent Industrial Quality
Manufactured with controlled processes to ensure stable electrical performance and repeatable quality.
Link to related products ：3920 SMD Current Sense Shunt Resistor with Metal alloy
FAQ
What is an SMT Metal Strip Shunt Resistor?
An SMT Metal Strip Shunt Resistor is a low-resistance current sensing component designed for accurate PCB current measurement in power electronics and industrial applications.
What are the advantages of EB-welded shunt resistors?
EB-welded construction provides excellent mechanical strength, thermal stability, and reliable performance under high-current operating conditions.
What resistance values are available for SMT metal strip shunt resistors?
Our SMD metal strip shunt resistors support ultra-low resistance values from 50μΩ to 5mΩ, with customized specifications available.
Can SMD metal strip shunt resistors be used in high-frequency applications?
Yes. With low inductance characteristics and stable TCR performance, they are suitable for switching power supplies, converters, and high-speed current sensing applications.
Looking for a customized SMT Metal Strip Shunt Resistor? Contact us with your specifications and application requirements. We provide engineering support, custom designs, and samples for testing.
