Description
BN-43-202 Amidon Toroid Aperture Core Ferrite 2 Hole Mini Aperture Ferrite Toroid Core
Material: 43
Permeability (i): 800
Min. AL (nH): 2890
Length (metric): 13.3 mm
Width (metric): 7.5 mm
Height (metric): 14.35 mm
Holes diameter (metric): 3.8 mm
Length (imperial): 0.525 in
Width (imperial): 0.295 in
Height (imperial): 0.565 in
Holes diameter (imperial): 0.15 in
BN43-202 Mini Aperture
One Aperture, picture is for illustration purposes.
Wideband Transformers 5 – 400 MHz
Power Transformers 0.5 – 30 MHz
RFI Suppression 5 – 500 MHz
AL=2200 +/- 20 % uH=(AL*Turns2)/1000
Actual measured AL using 10 turns #28 wire
These are small!
A=0.525 in / 13.3 mm +/- 0.6 mm
B=0.565 in / 14.35 mm +/- 0.3 mm
C=0.295 in / 7.5 mm mm +/- 0.35 mm
D=0.225 in / 5.7 mm +/- 0.25 mm
E=0.150 in / 3.8 mm +/- 0.25 mm
Today Amidon serves a large corporate customer base and is a leading distributor of ferrites, iron powder cores, and inductors, however Amidon is still one of the few companies in our industry that is committed to supplying the ham community with the parts they need for RF shielding, balun antennas, and power supplies.
Manufacturer:Electronic Components
Datasheet:BN-43.pdf

