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Magnetics Inc. and Magnetic Metals supply Magnesil,
Orthonol, Permalloy Supermendur Tape Wound Toroids in
Aluminum Cases. The Figure below shows what the look
like in Cross Section. The Case and G-10 Cover are are
coated with an Epoxy to provide a hermetic seal, and a
smooth insulating surface to wind on. If you use a wire
larger the AWG 30, you could insulate the Case by
wrapping the toroid with 1 or two layers of Mylar Film
Tape (3M # 56), or Kapton Tape. Then wrap the toroid
with PTFE Film to provide a smoother slick winding
surface.
I know Magnetics Supplies Cased cores with ODs from
.225 to 8.21 inches.
For more information check out their Web Sites:
Magnetics Inc. Web Site is www.mag-inc.com
Magnetic Metals Web Site is www.magmet.com
I hope this is of some help.
Dave Strout
2001 West Enterprise Ave.
Muncie, IN 47304
(765)-288-6561
Only 1/2 of the Toroid is shown below.
ID
Magnetics Inc. and Magnetic Metals supply Magnesil,
Orthonol, Permalloy Supermendur Tape Wound Toroids in
Aluminum Cases. The Figure below shows what the look
like in Cross Section. The Case and G-10 Cover are are
coated with an Epoxy to provide a hermetic seal, and a
smooth insulating surface to wind on. If you use a wire
larger the AWG 30, you could insulate the Case by
wrapping the toroid with 1 or two layers of Mylar Film
Tape (3M # 56), or Kapton Tape. Then wrap the toroid
with PTFE Film to provide a smoother slick winding
surface.
I know Magnetics Supplies Cased cores with ODs from
.225 to 8.21 inches.
For more information check out their Web Sites:
Magnetics Inc. Web Site is www.mag-inc.com
Magnetic Metals Web Site is www.magmet.com
I hope this is of some help.
Dave Strout
2001 West Enterprise Ave.
Muncie, IN 47304
(765)-288-6561
Only 1/2 of the Toroid is shown below.
ID