The best replacement for transformer is converter.

The best alternatives to transformer are rated as following:
★★★★★  converter
★★  adapter
★★  inverter
★★  power supply
★★  ballast
★  transformer prime
★  inverter mig
★  inverter tig
★  surface
★  acer iconia
★  rectifier
★  nexus 10
★  transformerless inverter
★  man bike
★  xoom
★  gundam
★  toshiba thrive
★  surface 2
★  gi joe
★  inductor
★  g i joe
  voltage divider
  gobots
  inverter welder
  memo
  microsoft surface 2
  smps
  voltage transformer
  generator
  line reactor
  isolation transformer
  ideal transformer
  motorola xoom
  dry type transformer
  electronic
  oil filled
  balun
  thrive tablet
  capacitor
  cinemag
  driver

Your alternative for transformer is not listed? Suggest!
Speaking about transformer, one probably shouldn't forget about dc.

Other search terms related to transformer and their ratings are:
★★★★★ dc
★★★★★ timer
★★★★★ dc voltage
★★★★ photocell
★★★ neutral
★★ diode
★ dimmer
rectifier
dc supply
bridge rectifier
You have in mind a companion for transformer and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of transformer in all years. Click on graph for more.
transformer
converter
adapter