4pcs Amidon Multi-Aperture Core BALUN cores BN-61-202 For RF HF VHF FM Euquiment

DESCRIPTION up for auction is a Lot of four (4) pcs of Amidon BN61-202 dual hole BALUN cores. Physical Dimensions A=0.525 in / 13.3 mm +/- 0.6 mm B=0.565 in / 14.35 mm +/- 0.5 mm C=0.295 in / 7.5 mm +/- 0.35 mm E=0.0.225 in / 5.7 mm +/- 0.25 mm H=0.150 in / 3.8 mm +/- 0.25 mm  AL=385 +/- 20 %      uH=(AL*Turns2)/1000  Actual measured AL using 10 turns #28 wire Temperature Stability (ppm /°C) = 1000 Color Code = dull black Application Freq Range Wideband Transformers 20 - 500 MHz High-Q Inductor 0.2 - 10 MHz RFI Suppression - above 20 MHz