Sendust Core Torroid Core KS130060A OD 33mm

The KS130060A is a sendust (ferrosilicon-aluminum) toroid magnetic core, commonly used to wind high-current inductors, filter chokes, and PFC (power factor correction) circuits in power supplies and inverters. It has an outer diameter of roughly 33mm and handles high current loads efficiently
Core Specifications
Material: Sendust / Iron Silicon Aluminum (Sendust Cores / KS series)
Shape: Toroidal (Magnetic Ring)
Common Application: Inverter output chokes, resonant PFC inductors, and high-current filter circuits (often pre-wound or sold as 260µH–330µH, 15A configurations).

Physical Specs
Material Permeability (μ): 60
Outer Diameter (OD): ~33.00 mm (before coating) / 33.83mm (coated)
Inner Diameter (ID): ~19.90 mm (before coating) / 19.30mm (coated)
Height (HT): ~10.70 mm (before coating) / 10.8mm (coated)

Electrical Characteristics
Inductance Factor (A_L): 61 nH/N² (typical)
Effective Magnetic Cross-Section Area (A_e): 0.672 cm²
Effective Magnetic Path Length (l_e):8.15 cm
Effective Volume (V): 5.48 cm³