Description
PHILIPS 4330-030-38731 Ferrite Ring Toroid Core, For: Choke, Current Regulation, Energy Storage, Transformer, 3.5X4.7MM AXIAL
Cores
Ferrite cores offered in 4 varieties of different materials.
The models with an external diameter of less than 9 mm are dark grey, regardless of material. For the other diameters, the core is white.
Recommended for various applications such as making transformers, smoothing chokes, current regulators or even energy storage.
| grade | permeability | Curie | |
| material | initial (μi) | point | Resistivity: |
| 4C65 | 125 | 350 °C | 10 5 Ω.m |
| 3C90 | 2000 | 200 °C | 2 Ω.m |
| 3E25 | 6000 | 125 °C | 0.5 Ω.m |
| 3E5 | 10000 | 125 °C | 0.5 Ω.m |
Manufacturer Part Number: 4330-030-38731
Ferroxcube
