1.
Introduction
HF cores are made by highly compacting insulated
alloy powder.
The base material is nickel( 50%)-iron(50%)
alloy, known as High Flux. These material
cores offer various excellent lectromagnetic
properties, such as high saturation
flux density, stable permeability under high
DC bias conditions, high resistivity, and
low losses.
Dongbu High Flux cores are suitable for power
chokes, especially in switching mode
power supplies (SMPS). |
2.
Availability
Dongbu High Flux Cores are available in a
variety of physical sizes and two permeabilities(60,125).
Epoxy coated toroidal cores are typically
supplied to the customers. More detailed
informations are refered to the technical
data on core properties and dimensions in
the following pages.
3.
Advantages
- Excellent DC Bias characteristics
- High Bmax of 15,000 G compared to MPP or
Ferrites.
- Core losses significantly lower than powdered
iron cores.
- Large energy storage capacity
4. Major Applications
- In-line noise filters
- Switching regulator iductors
- Pulse transformer, Fly-back transformer,
PFC |
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