The TX25/15/13-3E27 from Ferroxcube is an epoxy 3E27 ferrite toroid core measuring 1.007" (25.95 mm) in length, 0.539" (13.70 mm) in width and 1.007" (25.95 mm) in height.
The TX25/15/13-3C90 from Ferroxcube is an epoxy-coated 3C90 ferrite core of toroid type, with a length of 25.95 mm (1.007") and a diameter of 13.70 mm (0.539").
The TX25/15/13-3E65 from Ferroxcube is an epoxy-coated toroidal ferrite core measuring 25.95 mm (1.007") in width and 13.70 mm (0.539") in diameter, with the height unspecified.
The TX25/15/13-3E10-M from Ferroxcube is an epoxy-coated toroidal ferrite core measuring 25.95 mm (1.007") in width and 13.70 mm (0.539") in diameter, with the height unspecified.
The TX25/15/13-3E12 from Ferroxcube is an epoxy-coated toroidal ferrite core measuring 25.95 mm (1.007") in width and 13.70 mm (0.539") in diameter, with the height unspecified.
The TX25/15/13-3E6 from Ferroxcube is an epoxy-coated toroidal ferrite core measuring 25.95 mm (1.007") in width and 13.70 mm (0.539") in diameter, with the height unspecified.