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The PWH4012-R68N1T enables very fast transient behavior and high peak current handling by combining ultra low impedance with strong saturation margin. The metal composite core supports operation at higher switching frequencies with controlled inductance roll-off under DC bias, while the molded shielded structure reduces EMI coupling in dense layouts. It is ideal for multi-MHz POL converters, server and telecom VRM stages, battery-powered high load rails, and compact industrial power systems demanding maximum current throughput in low-profile assemblies.