Specs for T157-2 RF Toroids

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

Physical Dimensions OD = 1.57 / 39.9 mm +/- 0.02 in ID = .950 in / 24.1 mm +/- 0.02 in Ht = .570 in / 14.5 mm +/- 0.025 in  AL=14 +/- 5 %      uH=(AL*Turns2)/1000  Temperature Stability (ppm /°C) = 95 Color Code = Red / Clear Optimum Resonant Circuit Range for highest Q and lowest core loss 250 KHz - 10 MHz Orders and Pricing www.kitsandparts.com Freq/L/C/Z/Turns Calculator for T157-2 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. Impedance Matching Network Calculator using a T157-2 where Z2 > Z1 Enter F(MHz), Z1(Ω) and Z2(Ω) below, then click the Calc button XL = sqrt ( Z1*Z2 - Z1^2 )                                XC = Z1*Z2 / XL F(MHz) Z1(Ω) Z2(Ω) L(uH) L(turns) L(inches - cm) C(pF)     Impedance Matching Network Calculator using a T157-2 where Z2 > Z1 Enter F(MHz), Z1(Ω) and Z2(Ω) below, then click the Calc button XL = Z2 * sqrt ( Z1 / (Z2 - Z1) )                                XC = Z1*Z2 / XL F(MHz) Z1(Ω) Z2(Ω) L(uH) (Lturns) L(inches - cm) C(pF)     additional rf-impedance-matching-calculator