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Saturable Cores
Related Information

The Magnetic amplifier, or Mag-Amp, method of secondary regulation in switching power supplies can lead to benefits such as miniaturization, high efficiency, low noise, high reliability, and high precision. A Mag-Amp consists of a saturable reactor (a wire-wrapped saturable core). With the introduction of amorphous saturable cores, Mag-Amp have became more practical and so their use has become more wide-spread. The Mag-Amp method is the most suitable voltage regulation method for the switching power supply in personal computer. The "MS" series of amorphous saturable cores provides the stable magnetic performance required by Mag-Amp at an excellent price. This makes the "MS" series an ideal choice for designers of PC power supplies.

Please feel free to contact us to discuss your application and to receive detailed information on the product of interest. For further information please contact the Advanced Materials Division of Toshiba America Electronic Components, Inc. For other product details,  please visit our affiliate Toshiba Materials Co., Ltd.

Product Guide
Description O.D. (mm) I.D. (mm) Height (mm) Core Cross Section(mm2) Mean Flux Path Length (mm) Handling Power (µWb-mm2) Total Flux (µWb) Coercive Force (A/m) Rectangular Ratio (%) Insulating Covers
MS 10x6x4.5W 11.5 4.8 6.6 6.75 25.1 105 7.43 25 max 94 min Black Resin Casing
MS 10x7x4.5W 11.5 5.8 6.6 5.06 26.7 117 5.57 25 max 94 min Black Resin Casing
MS 12x8x3W 13.7 6.4 4.8 4.50 31.4 127 4.95 25 max 94 min Black Resin Casing
MS 12x8x4.5W 13.8 6.8 6.6 6.75 31.4 216 7.43 25 max 94 min Black Resin Casing
MS 14x8x4.5W 15.8 6.8 6.6 10.13 34.6 324 11.14 25 max 94 min Black Resin Casing
MS 15x10x3W 16.7 8.4 4.8 5.63 39.3 278 6.19 25 max 94 min Black Resin Casing
MS 15x10x4.5W 16.8 8.8 6.6 8.44 39.3 458 9.28 25 max 94 min Black Resin Casing
MS 18x12x4.5W 19.8 10.8 6.6 10.13 47.1 836 11.14 25 max 94 min Black Resin Casing
MS 21x14x4.5W 22.8 12.8 6.6 11.81 55.0 1377 12.99 25 max 94 min Black Resin Casing
MS 7x4x3W 9.1 3.3 4.8 3.38 18.8 24 3.71 - 94 min Black Resin Casing
MS 8x7x4.5W 9.5 5.8 6.6 1.69 23.6 39 1.86 25 max 94 min Black Resin Casing
MS 9x7x4.5W 10.5 5.8 6.6 3.38 25.1 78 3.71 25 max 94 min Black Resin Casing