Transformers are always available in a variety of sizes. It varies from small coupling transformer of a microphone to huge units used for interconnecting various power grids. Since transformers are used for different purposes, there are various products of transformers available.

Some common transformer products are follows:

• Electronic transformer generally it is thin in shape
• Auto transformer
• Oil immersed transformer
• High voltage high frequency transformer
• Sealed dry-type transformer
• Toroidal transformer
• Outdoor transformer
• Potential transformer
• Current transformer
• E type transformer

• Disassembly transformer
• Prefabricated submersible transformer
• Alternating current step down & up transformer
• S F current transformer
• Control transformer

Some other products are:

• Rectifier transformer
• Balanced transformer
• Current sensing transformer
• Auto-transformer
• Standard lamp transformer

Some more types of transformers are:

• Chassis mounting transformer
• PCB mounting transformer
• Modem and communication transformer
• Encapsulated transformer
• Control panel transformer
• Overhead transformers