The SPM3012T-1R0M with TDK Fixed Inductors 1.0uH 5.4A 57mohms 20% is an electromechanical component manufactured by TDK. It is a molded case inductor made of power inductors with ferrite core and 12.7mm square module, designed to provide high-current energy storage/discharge capabilities. It has low DC resistance and high inductance, making it ideal for power supplies, DC-DC converters, switch-mode inverters, DC/DC loop applications, and low EMI noise applications. It features an inductance tolerance rating of 20% and an operating temperature range of -55°C to +125°C.