Specs for FB-43-2401 RF Toroids
FB-43-101BLN1728-8FT23-43FT114-43T25-2T80-2
FB-43-2401BN-43-2402FT37-43FT114-61T25-6T80-6
FB-73-2401BN-61-2402FT37-61FT140-43T30-2T80-10
FB-43-4852BN-43-1502FT37-67FT140-61T30-6T80-17
FB-43-7351BN-61-1502FT50-43FT140-77T30-10T94-2
FB-31-1020BN-43-302FT50-61FT240-31T37-0T94-6
BN-61-302FT50-75FT240-43T37-1T94-10
BN-43-202FT50-JFT240-52T37-2T106-0
BN-61-202FT82-43FT240-KT37-6T106-2
BN-73-202FT82-61FT240-61T37-7T106-6
BN-43-3312FT290-43T37-10T130-0
BN-43-7051XXX-XXT37-17T130-1
BN-61-002T44-2T130-2
T44-6T130-6
T50-1T130-17
T50-2T157-2
T50-3T157-17
T50-6T184-17
T50-7T200-2
T50-10T200-6
T50-17T225-2B
T68-1
T68-2
T68-6
T68-7
T68-10
Physical Dimensions



OD(A) = 0.380 in / 9.65 mm +/- 0.25 mm
ID(B) = 0.197 in. / 5.0 mm +/- 0.20 mm
Ht(C) = 0.190 in. / 5.05 mm +/- 0.45 mm
 AL=400 +/- 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
RFI Suppression 5 - 500 MHz
Orders and Pricing
www.kitsandparts.com

Turns-Length Calculator for FB-43-2401
Includes 1 inch / 2.5 cm pig-tails
MHz
uH
pF
ohms
turns
inches - cm
 
 

enter uH to Calc number of turns, or
enter number of turns to Calc uH, or
enter two (2) items: MHz, uH, pF, ohms or turns to Calc all values.