Iron Powder Material

TOROIDAL CORES

Toroid mounts

In general, toroidal cores are the most efficient of any core configuration. Toroid mounts are highly self- Shielding since most of the flux lines are contained within the core. The flux lines are essentially uniform over the entire length of the magnetic path and consequently stray magnetic fields will have very little effect on a toroidal inductor. It is seldom necessary to shield a toroidal inductor.

Characteristics of Toroid mounts

  • Lowest costs.
  • Good for low frequency application (<10OKhz).
  • High maximum flux density: 15,000 gauss
  • Inductance tolerance ≤10%.

Application of Toroid mounts

For design frequency below 300 KHz, powdered iron core is a prefered choice for RF circuits, DC powder supply chokes, motors, dimmer control filters and other EMI/RFI circuits.

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TYPE AL OD ID Ht Le Ae Ve
YT50-60D core 59.0 12.7 7.70 6.53 3.19 .223 .711
YT50-75AD core 66.0 12.7 7.70 6.53 3.19 .223 .711
YT51-35C core 37.0 12.7 5.80 6.35 2.79 .223 .622
YT51-55C core 55.0 12.7 5.80 6.35 2.79 .223 .622
YT51-75C core 83.0 12.7 5.80 6.35 2.79 .223 .622
YT51-60C core 67.0 12.7 5.80 6.35 2.79 .223 .622
YT51-75AC core 75.0 12.7 5.80 6.35 2.79 .223 .622
YT60-35 core 19.0 15.2 8.53 5.94 3.74 .187 .699
YT60-55 core 34.5 15.2 8.53 5.94 3.74 .187 .699
YT60-75 core 50.0 15.2 8.53 5.94 3.74 .187 .699
YT60-60 core 41.5 15.2 8.53 5.94 3.74 .187 .699
YT60-75A core 47.0 15.2 8.53 5.94 3.74 .187 .699
YT60-75D core 97.0 15.2 8.53 11.9 3.74 .374 1.40
YT60-75AD core 94.0 15.2 8.53 11.9 3.74 .374 1.40
YT68-35 core 19.5 17.5 9.40 4.83 4.23 .179 .759
YT68-55 core 29.0 17.5 9.40 4.83 4.23 .179 .759
YT68-75 core 43.5 17.5 9.40 4.83 4.23 .179 .759
YT68-60 core 35.0 17.5 9.40 4.83 4.23 .179 .759
YT68-75A core 40.0 17.5 9.40 4.83 4.23 .179 .759
YT68-35A core 26.0 17.5 9.40 6.35 4.23 .242 1.03
YT68-55A core 39.5 17.5 9.40 6.35 4.23 .242 1.03
YT68-75A core 58.0 17.5 9.40 6.35 4.23 .242 1.03
YT68-60A core 47.0 17.5 9.40 6.35 4.23 .242 1.03
YT68-75AA core 54.0 17.5 9.40 6.35 4.23 .242 1.03
YT68-75D core 87.0 17.5 9.40 9.53 4.23 .358 1.52
YT68-60D core 70.0 17.5 9.40 9.53 4.23 .358 1.52
YT68-75AD core 80.0 17.5 9.40 9.53 4.23 .358 1.52
YT72-35 core 36.0 18.3 7.11 6.60 4.01 .349 1.40
YT72-55 core 60.0 18.3 7.11 6.60 4.01 .349 1.40
YT72-75 core 90.0 18.3 7.11 6.60 4.01 .349 1.40
YT72-60 core 71.0 18.3 7.11 6.60 4.01 .349 1.40
YT72-75A core 82.0 18.3 7.11 6.60 4.01 .349 1.40
YT80-35 core 18.0 20.0 12.6 6.35 5.14 .231 1.19
YT80-55 core 31.0 20.0 12.6 6.35 5.14 .231 1.19
YT80-75 core 46.0 20.0 12.6 6.35 5.14 .231 1.19
YT80-60 core 39.5 20.0 12.6 6.35 5.14 .231 1.19
YT80-75A core 42.0 20.0 12.6 6.35 5.14 .231 1.19
YT80-35B core 29.5 20.2 12.6 9.53 5.14 .347 1.78
YT80-55B core 46.5 20.2 12.6 9.53 5.14 .347 1.78
YT80-75B core 71.0 20.2 12.6 9.53 5.14 .347 1.78
YT80-60B core 59.0 20.2 12.6 9.53 5.14 .347 1.78
YT80-75AB core 63.0 20.2 12.6 9.53 5.14 .347 1.78
YT80-75D core 92.0 20.2 12.6 12.7 5.14 .453 2.33
YT80-60D core 79.0 20.2 12.6 12.7 5.14 .453 2.33
YT80-75AD core 83.0 22.9 14.0 9.53 5.78 .395 2.28
YT90-35 core 30.0 22.9 14.0 9.53 5.78 .395 2.28