Raha tsy voatanisa ny toerana misy anao dia safidio ny iray amin'ireto manaraka ireto:
Allegro MicroSystems, LLC
SENSOR CURRENT HALL 20A AC/DC.
LEM USA Inc.
SENSOR CURRENT HALL 100A AC/DC.
SENSOR CURRENT HALL 5A AC/DC.
SENSOR CURRENT HALL 20A DC.