About Foster Transformer Company
Foster Transformer Company is the clear choice for custom and standard transformers, power supplies, related magnetic components and value added assemblies.
Established in 1937, Foster Transformer Company is one of the world's most experienced transformer manufacturers. We currently have more than 16,000
different custom and standard transformer, inductor, solenoid, and power supply designs.
Foster manufactures a full range of transformers including ferroresonant, isolation, hermetically sealed, medical, audio, ferrite core, and more, including our patented line of inherently limited Class 2 transformers in sizes up to 100 VA.