IHD Fixed Inductors Vishay / Dale IHD Fixed Inductors are protected by polyolefin tubing and utilize a high saturation bobbin, allowing high inductance with low DC resistance. The high resistivity core provides very high parallel resistance for maximum coil performance. Other features include printed circuit mounting (axial leads) and an operating temperature range of -55°C to +125°C (no load) and -55°C to +85°C (at full rated current). Vishay / Dale IHD Fixed Inductors are compliant with RoHS Directive 2002/95/EC.