Material: Permalloy 1J85 or 1J79 PC material. 

Dimension: OD: 10-500mm, ID: 8-450mm, H: 3.5-80mm. 

Case: Nylon66 or aluminum case + PCB board. 

Saturation flux density: 0.75T 

Initial permeability: 6 X 104 

Max permeability: 45 X 104 

Coercive force: <2.3 

Saturation magnetostrictive coefficient: <2 X 10-6 

Curie temperature: 400 degree 

Occupation coefficient: 90%