| IMA EUI Standard | Standard Specfication E, U, I Cores | 1/2015 |
| TTA | The Transformer Association | 12/28/18 |
| IMA POT Standard | Standard Specification for POT Cores | 1/2015 |
| IMA TOROID Standard | Standard Specification for Toroidal Cores | 1/2015 |
| IEC | IEC Webstore Search for Ferrite Standards | 12/28/18 |
| KG Magnetics | Magnetics Design Information | 12/28/18 |
| TI DC-DC | Texas Instruments DC-DC Application | 12/28/18
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| SMPS US | Switch mode power supply Design Basics | 12/28/18 |
| Schmidt-Walter.. | Switch mode power supply Design Basics | 12/28/18 |
| Analog Devices | Design Center | 12/28/18 |
| On Semiconductor | Power Supply WebDesigner Link | 12/28/18
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| Gallium Nitride | Texas Instruments Ga N Overview | 12/28/18
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