Plastic base variant applications are particularly suited to high vibration or shock applications due to its one piece construction. WE-PD Series Magnetically Shielded Wire Wound Chokes. Wurth WE-PD wirewound surface mount inductor is magnetically shielded resulting in a low leakage field. These power inductors have high storage capacity and high current loading. Recommended solder profile: Reflow. Operating temperature -40 to +125°C. Applications. Switching regulators with low operating voltages Integrated DC-DC converters Switching regulators with high efficiency (>86%%%%) Graphic cards