EE19-5 ferrite transformer cores are magnetic components commonly used in high-frequency transformers and inductors, particularly within switching power supplies. Their design, featuring two 'E'-shaped halves, offers efficient magnetic coupling and minimizes leakage inductance.

Key Specifications:

• Dimensions:
  • A: 19.0 ± 0.4 mm
  • B: 8.0 ± 0.3 mm
  • C: 5.0 ± 0.3 mm
  • D: 5.0 ± 0.3 mm
  • E: 14.2 mm (minimum)
  • F: 5.7 ± 0.2 mm

These dimensions ensure compatibility with standard bobbins and hardware, facilitating ease of assembly in various electronic circuits. 

• Material: Typically made from Mn-Zn ferrite materials like PC40, which offer high permeability and low core losses

• Inductance Factor (A_L): Approximately 1150 nH, indicating the inductance per turn squared, which is crucial for transformer design calculations.

   

Applications:

• Switching Power Supplies: Efficiently handle high-frequency operations with minimal losses.
• Transformers: Suitable for power and signal transformers requiring compact size and high performance.
• Inductors: Employed in various inductor designs, including power inductors and filter inductors, to ensure consistent inductance values.