Conventional Powertrain Electric Motors

12V Alternator

Last update: 31 Aug. 2023

With its leading, strong expertise, Valeo provides a wide range of premium quality alternators

Valeo’s latest generations of 12V alternators are developed with high-quality components improving reliability, comfort and efficiency for a longer life span. The 12V EG* efficiency alternator features synchronous rectifying based on MOSFET and is able to almost eliminate the voltage drop during the electric current rectifying.


*EG = Efficient Generator


What are the 12V alternator benefits?

  • Up to 80% efficiency with low-loss diodes (and ultra-low loss diodes) and Mosfet rectification

12V alternator specifications

  • Mass production from 60 Amps up to 300 Amps
  • 6 phases for improved magnetic noise
  • Standards packaging
  • 30%

    worldwide market share

  • 20Mu*

    produced per year (*Close to)

Vehicle type

  • Passenger car
  • Bus
  • Truck
  • Robot taxi
  • Motorcycle
  • Bike
  • Droid
  • Off road

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