Iron Powder E Core, E Cores, E Type Transformer Iron Powder Core, Micrometals | Iron powder E core for power conversion and line filter applications, Magnetic Soft Iron Powder Metal E Core Supplier
Mode: E Cores ( Iron Powder E Core)
Composite: Iron powder
Temperature Effects:
The working temperature of iron powder core is between -65℃-125℃.When the working temperature rises than 150℃,the organic adhesive will begin to decompose,resulting in the degradation of the device’s performance and shortening of devices’s life.The severity of the degrading depends on the time,temperature,size of the iron powder core,working frequency and the flux density.
Applications:
High frequency chokes
Output chokes for switching power supplies
Conducted EMI noise filters
Pulse transformers
DC output/inpit chokes
Light dimmer chokes
Power factor correction inductors
Material Number |
Reference Permeability |
Temp.Coef.of Perm(+ppm/℃) |
Coef.of in Expand(+ppm/℃) |
Color Code |
-18 |
55 |
385 |
11 |
Green/Red |
-26 |
75 |
825 |
12 |
Yellow/White |
-52 |
75 |
650 |
12 |
Green/Blue |
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Introduce of E cores
E cores are made according to the listed rated inductance AL value. The effective value of magnetic conductivity of material is only as reference. Under test condition of frequency 10 kHz and AC peak flux density 10 Gauss(1mT), tolerance of AL value is ±10%. The surfaces of E-shaped cores are treated with antirust material. We suggest the user to carefully store the untreated products to avoid moist and rain.
Features of E cores
E core is provided with many characters as follow:
Low core loss and high saturation
High maximum flux density
Large energy storage capacity
Low cost, most economical for DC and low frequency applications
Application of E cores
E core is widely used in the following typical applications: Power transformers, current transducers, instrument transformers, inductors, chokes, ballasts, voltage stabilizers and regulators, welding transformers, special transformers, etc.
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