030 108 030 108 TROIDAL CORES   (트로이덜 코어) Carbonyl Iron-Powder,      Ni-Zn Ferrite,     Mn-Zn Ferrite (고주파에서 저 손실) High  ◁ Frequency ▷  Low (수100㎑) Carbonyl Iron-Powder Troidal Cores (카보닐 철분 코어)  AL VALUES (uH/100 turns) 카보닐 철<Fe(CO)5>을 가열 분해하여 얻은 순철의 미립 분말을 절연하고 가압 성형하여 만들어진다.   계산기 Core Size Outer Diam. (In.) Outer Diam. (mm) Inner Diam. (mm) # 26-mix ylw/wht u=75 0~1MHz # 3-mix grey u=35 0.05~0.5MHz  # 15-mix red/wht u=25 0.1~2MHz  # 1-mix blue u=20 0.5~5MHz  # 2-mix red u=10 1~30MHz  # 6-mix yellow u=8 2~50MHz 10~90MHz # 10-mix black u=6 10~100MHz 60~150MHz  # 12-mix grn/wht u=3 20~200MHz 100~200MHz  # 0-mix tan(황갈) u=1 50~300MHz 150~300MHz ppm/℃         +370     +95 +35 +150 +170                                   T-200 2.00 50.8 31.8 895 425 NA 250 120 100 NA NA NA T-184 1.84 46.7 24.1 1640 720 NA 500 240 195 NA NA NA T-157 1.57 39.9 24.1 970 420 360 320 140 115 NA NA NA T-130 1.30 33.0 19.8 785 350 250 200 110 96 NA NA 15 T-106 1.06 26.9 14.5 900 450 345 325 135 116 NA NA 19 T-94 .942 23.9 14.2 590 248 200 160 84 70 58 32 10.6 T-80 .795 20.2 12.6 450 180 170 115/FAQ* 55 (m) 45 (m) 32 22 8.5 T-68* .690 17.5 9.39 420 195 180 115 57 (b) 47 (b) 32 21 7.5 T-50 .500 12.7 7.69 320 175 135 100 49 (fq) 40 (fq) 31 18 6.4 T-44 .440 11.2 5.81 360 180 160 105 52 42 (f) 33 19 6.5 T-37 .375 9.52 5.20 275 120 90 80 40 (s) NR10wht 30 (fs) 25 15 4.9 T-30 .307 7.79 3.83 325 140 93 85 43 36 25 16 6.0 T-25 .255 6.47 3.04 NA 100 100 70 34 (d) 27 (d) 19 12 (bq) 4.5 T-20 .200 5.08 2.23 NA 90 65 52 27 22 16 10 3.5 T-16 .160 4.06 1.98 NA 61 55 44 22 19 13 8 3.0 T-12 .125 3.18 1.57 NA 60 50 48 20 17 12 7 3.0 NR9 ylw 9.30 5.3         DBM         NR10 wht 9.30 5.3       50T 9.6 *         R32-65T41M R32-65T49M                             Core Size Outer Diam. (In.) Outer Diam. (mm) Inner Diam. (mm) # 26-mix ylw/wht u=75 0~1MHz # 3-mix grey u=35 0.05~0.5MHz  # 15-mix red/wht u=25 0.1~2MHz  # 1-mix blue u=20 0.5~5MHz  # 2-mix red u=10 1~30MHz  # 6-mix yellow u=8 2~50MHz 10~90MHz # 10-mix black u=6 10~100MHz 60~150MHz  # 12-mix grn/wht u=3 20~200MHz 100~200MHz  # 0-mix tan(황갈) u=1 50~300MHz 150~300MHz   http://www.emicore.co.kr/toroids01.html   Ferrite Troidal Cores (페라이트 코어)  AL VALUES (mH/100 turns)   Core Size Outer Diam. (In.) Outer Diam. (In.) Height (In.) # 68 u=20 # 63 u=40 15~25㎒ # 67 u=40 # 61 u=125 0.1~10㎒ # 43 u=850 0.01~1㎒  # 77 u=1800 # 72 u=2000 0.001~1㎒   # F u=3000 # 75 u=5000 0.001~1㎒   # J u=5000 ppm/℃         +1000   +1500 +10000   +6000   +9000   FT-23 .230 .120 .060 4.0 7.9 7.9 24.8 188 (d) 396 396 NA 990 NA FT-37 .375 .187 .125 8.8 17.7 17.7 55.3 (dq) 420 (s) 884 884 (p) NA 2210 NA FT-50 .500 .281 .188 11.0 22.0 22.0 68.0 (b) 523 (fq) 1100 1100 NA 2750 (s) NA FT-50A .500 .312 .250 12.0 24.0 24.0 75.0 570 1200 1200 NA 2990 NA FT-50B .500 .312 .500 NA 48.0 48.0 150.0 1140 2400 2400 NA NA NA FT-82 .825 .520 .250 11.7 22.4 22.4 73.3 557 1170 1170 NA 2930 NA FT-87A .870 .540 .500 NA NA NA NA NA NA NA 3620 NA 6040 FT-114 1.142 .750 .295 12.7 25.4 25.4 79.3 603 1270 1270 1900 3170 3170 FT-114A 1.142 .750 .545 NA NA NA 146.0 NA NA 2340 NA NA NA FT-150 1.500 .750 .250 NA NA NA NA NA NA NA 2640 NA 4400 FT-150A 1.500 .750 .500 NA NA NA NA NA NA NA 5020 NA 9370 FT-193 1.930 1.250 .750 NA NA NA NA NA NA NA 4460 NA 7440 FT-240 2.400 1.400 .500 NA 53.0 NA 173.0 1240 2740 2740 NA NA NA     Ferromagnetic Beads (페라이트 비스 ; FB 00-000) Magnetic Properties Chart Property Unit # 73 Meterial(材) # 43 Meterial # 64 Meterial Initial Permeability   2500 950 250 Maximum Permeability   4000 3000 375 Saturation flux density @13oer Gauss 4000 2750 2200 Residual flux density Gauss 1000 1200 1100 Curie temperature Deg. ℃ 160 130 210 Volume resistivity Ohm-Cm. 1×102 1×105 1×108 Specific gravity   4.8 4.3 4.7 Loss factor 1/ uoQ 1.6×10-5@ .08 MHz 2.5×10-5@ .2 MHz 5.3×10-5@ 2.5 MHz Coercive force Oersteds 0.18 0.30 1.40 Temp. Coeff. of initial Permeability %/Deg. ℃ 0.80 0.20 0.08 Frequency of Maximum Impedance MHz Below 50MHz 50 to 200MHz Above 200MHz     FB 73-101     (b) FB 73-801     (p) FB 43-101      (b) FB 43-2401   (fq) FB 43-801    (fq)     Two-hole balun and Wideband Cores (돼지코 코어)         O.D I.D Hgt. Th type AL # 73 material ~30MHz BLN  BN-73-2402 .275 .070 .240 .160 1 3750 # 43 材 20~50 or 60MHz BLN  BN-43-2402  (a) .280 .070 .240 .160 1 1275 # 61 材 60MHz~ BLN  BN-61-2402  (f) .280 .070 .240 -- 1 150       Iron Powder Tunable Inductor Coil Forms: L-33 = 0.31" square base L-43 = 0.40" square base L-57 = 0.56" square base  Part # Frequency Range L-33-1 (0.31 inch square base) 0.30 - 1.0 Mhz L-33-10 25.00 - 100.0 Mhz L-33-17 50.00 - 200.0 Mhz L-33-2 1.00 - 10.0 Mhz L-33-3 0.01 - 0.5 Mhz L-33-6 10.00 - 50.0 Mhz L-43-1 (0.40 inch square base) 0.30 - 1.0 Mhz L-43-10 25.00 - 100.0 Mhz L-43-17 50.00 - 200.0 Mhz L-43-2 1.00 - 10.0 Mhz L-43-3 0.01 - 0.5 Mhz L-43-6 10.00 - 50.0 Mhz L-57-1 (0.56 inch square base) 0.30 - 1.0 Mhz L-57-10 25.00 - 100.0 Mhz L-57-17 50.00 - 200.0 Mhz L-57-2 1.00 - 10.0 Mhz L-57-3 0.01 - 0.5 Mhz L-57-6 10.00 - 50.0 Mhz Amidon Inc.  240 Briggs Ave. Costa Mesa, California 92626 USA