Formed / Deep Drawn Shields
SMD Shield
Soft Ferromagnetic Surface-Mount Shield for Current Sensor Applications
Compact, High-Performance Shielding for PCB-Based Magnetic Sensors
Optimized for integration with Hall effect, AMR, or other magnetic field sensors, the SMD shield enhances sensing accuracy and stability in space-constrained environments.
SMD Shield: Surface-Mount Magnetic Protection for PCBs
The SMD Shield is a compact, surface-mountable magnetic shield designed for use with PCB-based current sensing applications.
Available Sizes (All Dimensions in mm).
Available Sizes for SMD Shield
Other custom sizes available upon request.
| Sizes Available | ||||||
|---|---|---|---|---|---|---|
| Product Name | Length | Height | Thickness | |||
| inches | [mm] | inches | [mm] | inches | [mm] | |
| SMD 2.5 | 0.472 | 12 | 0.098 | 2.5 | 0.0137 | 0.35 |
| SMD 5 | 0.315 | 8 | 0.197 | 5 | 0.0137 | 0.35 |
Magnetic Properties
Material: Standard version contains 48% Nickel-Iron, custom alloy compositions available upon request.
| Magnetic Characteristics | ||
|---|---|---|
| Parameter | Typical Value | Unit |
| Relative Permeability | 100'000 | a.u. |
| Initial Relative Permeability | 7000 | a.u. |
| Saturation Flux Density | 1 | T |
| Hysteresis | 2.8 | A/m |
Key Features
1
Surface-mount design for easy PCB integration
2
High linearity and low magnetic loss
3
Accurate shielding in confined board-level environments
4
Dual-side PCB mounting (top/bottom)
5
Automotive and industrial application-ready
6
Customizable shapes and sizes
Technical Properties
Designed for Embedded Sensor Shielding
High-Performance Soft Magnetic Alloy
Constructed using a NiFe alloy (48% NiFe), the SMD Shield achieves: High permeability (μr up to 100,000), very low hysteresis (2.8 A/m), Curie temperature of about 450°C, stable saturation flux density (1 Tesla)
Ideal for Planar Current Sensing
The shield is placed directly above or below the sensor, protecting it from parasitic magnetic fields while enabling accurate current measurement.
Flexible Mounting Options
Diagonal leads ensure precise alignment with the magnetic sensor, mountable with glue or available with solderable pins upon request.
Frequently Asked Questions
Magnetic shielding materials attract and guide magnetic field lines away from sensitive components. By creating a preferred path for the magnetic field, they reduce the field strength within protected regions.
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