4.7 µH wirewound inductor, 510 mA rated current
The Taiyo Yuden LBC2518T4R7MV is a wirewound inductor from the LB, C Type series, offering 4.7 µH inductance with ±20% tolerance in a 1007 (2518 Metric) surface-mount package. Rated for 510 mA DC with a maximum DC resistance of 200 mOhm, this unshielded inductor is suited for power-supply filtering and DC-DC converter output stages where the current draw stays below the rating.
AEC-Q200 qualification and NRND lifecycle
Existing designs can continue to source it through independent distribution; new BOMs should evaluate a replacement inductor from the same LB series or a functionally equivalent wirewound part.
Operating temperature and self-resonant frequency
The self-resonant frequency of 41 MHz sets the upper limit for effective filtering — above this frequency the inductive reactance drops and parasitic capacitance dominates. Inductance is tested at 7.96 MHz, a standard test frequency for inductors in this value range. The 200 mOhm DCR at 25°C produces an I²R loss of about 52 mW at full rated current — well within the package's thermal budget for most layouts.