Signal-line noise suppression at 100 MHz
The BLM15BB750SN1D is a Murata EMIFIL® ferrite bead in the BLM15 series, specified for signal-line filtering. Its 75 Ohm impedance at 100 MHz targets common-mode noise in that frequency band — typical for clock lines, data buses, and low-speed digital interfaces where a single ferrite bead per trace cleans up conducted emissions without adding a bulk inductor.
Current and DC resistance — the bias trade-off
Rated for 300 mA continuous current. Above this the ferrite material begins to saturate, and the effective impedance drops below the 75 Ohm spec.
0402 footprint and board integration
Housed in a standard 0402 (1005 metric) package — 1.00 mm x 0.55 mm, 0.55 mm max height. Single-line configuration means one bead per signal trace; no shared suppression.
Listed as Active by Murata.