10 µH, 375 mA — what the ratings mean for a BOM position
The LBC2518T100M is a 10 µH drum core wirewound inductor from Taiyo Yuden's LB, C Type series, in an unshielded 1007 (2518 Metric) SMD package. The 375 mA current rating at 360 mOhm DCR sets the DC bias limit — the winding's resistance drops about 135 mV at full rated current, and the resulting I²R loss (roughly 50 mW) stays within the -25°C to 105°C operating envelope without forced cooling.
Unshielded construction and SRF — where it fits and where it doesn't
With no magnetic shield, the inductor's field couples into adjacent traces or components — keep a clearance of at least one body width (2.50 mm) from sensitive analog or RF nodes. The self-resonant frequency of 30 MHz marks the upper bound for usable inductance; above SRF the component behaves capacitively, so this part suits DC-DC converter output filters and bias decoupling below 10 MHz, not RF tank circuits.
Active lifecycle — sourcing posture for this line item
Taiyo Yuden lists the LBC2518T100M as Active.