Vishay Releases High-Temperature Resistant Toroidal Power Inductor for Solar Inverters and Wind Power Converters

April 5, 2026, Pennsylvania, USA Vishay Intertechnology officially launched a new industrial high-temperature resistant toroidal power inductor series, which is specially developed for outdoor photovoltaic grid-connected inverters, wind turbine power converters and energy storage bidirectional power modules, filling the market gap of high-reliability toroidal power inductor suitable for outdoor new energy harsh working environments. Solar and wind power equipment is mostly deployed in open-air environments, facing long-term extreme temperature fluctuations, high humidity, dust corrosion and instantaneous voltage surges. This new toroidal power inductor uses high-temperature iron powder toroidal core and double-layer polyimide high-temperature resistant insulated winding wire, supporting continuous stable operation at 155°C and instantaneous peak temperature resistance up to 170°C, far exceeding the temperature limit of ordinary commercial inductors. The fully sealed epoxy encapsulation structure of the toroidal power inductor improves dust-proof and moisture-proof performance, reducing the field failure rate of magnetic components in outdoor power equipment by more than 60%. In terms of electrical performance, the product series covers inductance specifications from 2.2μH to 1000μH, with excellent high saturation current characteristics, which can cope with instantaneous surge current during grid connection of new energy equipment. The closed toroidal magnetic circuit optimizes the power conversion efficiency of inverters, helping new energy equipment manufacturers meet international energy efficiency certification standards. Vishay industrial product department pointed out that the global installed capacity of renewable energy will reach 2800GW by 2034, and durable high-temperature toroidal power inductor will become the standard configuration of new energy power conversion systems in the future.



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