Specs for BN-43-202 multi-aperture core
T25-2FT23-43
T25-6FT37-43
T30-2FT37-61
T30-6FT50-43
T37-2FT50-61
T37-6FT82-43
T37-7FT114-43
T44-2FT114-61
T44-6FT140-43
T50-1FT140-61
T50-2FT240-43
T50-3FT240-61
T50-6BN-43-2402
T50-7BN-61-2402
T50-10BN-43-302
T68-1BN-43-202
T68-2BN-61-202
T68-6BN-43-3312
T68-7
T68-10
T80-2
T80-6
T80-10
T94-6
T94-10
T106-0
T106-2
T106-6
T130-0
T130-2
T130-6
T130-17
T200-2
T200-6
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=0.225 in / 5.7 mm +/- 0.25 mm
H=0.150 in / 3.8 mm +/- 0.25 mm
 AL=2200 +/- 20 %      uH=(AL*Turns2)/1000 
Actual measured AL using 10 turns #28 wire
Temperature Stability (ppm /°C) = 12500
Color Code = shiny black
Application Freq Range
Wideband Transformers 5 - 400 MHz
Power Transformers 0.5 - 30 MHz
RFI Suppression 5 - 500 MHz
Orders and Pricing
www.kitsandparts.com

Turns-Length Calculator for BN-43-202
Includes 1 inch / 2.5 cm pig-tails
MHz
uH
pF
ohms
turns
inches - cm
 
 

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