3mR Current sense shunt Metal Stamping resistor for Instrumentation and control applications
1W to 7W
Metal stamping is a manufacturing process used to produce precision resistors with tight tolerances and high reliability. Here are some key benefits of using stamping for resistor production:
Precision and Accuracy
- Metal stamping allows for the creation of resistors with very tight tolerances, often in the range of ±0.05% or better.
- The stamping process enables consistent part-to-part dimensional accuracy, ensuring resistors meet their specified resistance values.
High Volume Production
- Metal stamping is well-suited for high-volume manufacturing of resistors, with the ability to produce thousands of parts per hour.
- Automated stamping presses and tooling enable efficient, repeatable production of resistor components.
Reliability and Stability
- Stamped resistors exhibit excellent long-term stability, with minimal resistance drift over time and temperature.
- The stamping process produces resistors with superior moisture resistance, withstanding high humidity environments.
Design Flexibility
- Metal stamping allows for the creation of complex resistor geometries, enabling innovative designs.
- Stamped resistors can incorporate features like folded pins, meanders, and convex terminations to optimize performance and assembly.
Cost-Effectiveness
- The high-speed, automated nature of metal stamping results in lower per-unit manufacturing costs, especially for high volumes
- Stamping enables efficient use of raw materials, reducing waste and further lowering production costs.
Some common resistor types manufactured using metal stamping include:
- Shunt resistors for current sensing[
- Precision resistors for instrumentation and control applications
- Power resistors for high-current handling
- Resistor arrays with matched resistance values
In summary, metal stamping is a key manufacturing process for producing reliable, precise, and cost-effective resistors across a wide range of applications. The ability to achieve tight tolerances, high volumes, and design flexibility makes stamping an attractive choice for resistor production.
| Model | size/mm | ||||||
| W士0.3 | H士2 | D士0.5 | E士0.1 | F1士0.1 | F士0.2 | ||
| 3W-6mR-5%-U-10 | 10 | 9 | 3.5 | 1.2 | 0.85 | 2.7 | |
| 3W-7mR-5%-U-10 | 10 | 12.5 | 3.5 | 1.2 | 0.85 | 2.7 | |
| 3W-10mR-5%-U-10 | 10 | 7 | 3.5 | 1 | 0.4 | 3.0 | |
| 5M-3mR-5%-U-10 | 10 | 9.5 | 3.5 | 1.2 | 1.3 | 3.5 | |
| 5W-3mR-5%-U-15 | 15 | 8 | 2.5 | 1.2 | 1.3 | 3.5 | |
| 5W-5mR-5%-U-16 | 16 | 10 | 3.5 | 1.5 | 0.9 | 4.0 | |
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