BN43-7051 Toroid Aperture Core Ferrite 5-500MHz

One BN43-7051 Multi-Aperture Core Wideband Transformers 5 - 400 MHz Power Transformers 0.5 - 30 MHz RFI Suppression 5 - 500 MHz AL=10000 +/- 20 % uH=(AL*Turns2)/1000 Actual measured AL using 10 turns #28 wire A=1.130 in / 28.7 mm +/- 0.6 mm B=1.13 in / 28.7 mm +/- 0.7 mm C=0.560 in / 14.25 mm +/- 0.3 mm E=0.550 in / 14.0 mm +/- 0.3 mm H=0.250 in / 6.35 mm +/- 0.15 mm From bulk packaging, not in retail packaging.