Regulator / rectifier with MOSFET technology. When in use, they behave like a low-rated, high-current resistor that directs all of the excess current from the generator to ground. KTM EXC 450 i.e. 2012.
Genuine Shindengen FH027AA Regulator Rectifier MOSFET
Genuine Shindengen FH020AA Regulator Rectifier MOSFET
TourMax Regulator / Rectifier Fits KTM 990 ADVENTURE 2006-2011
ELECTRIC VOLTAGE REGULATOR RECTIFIER FITS: KTM 125 DUKE 2011 - 2016
ELECTRIC VOLTAGE REGULATOR RECTIFIER FITS: KTM 990 ADVENTURE 2006 - 2013
ELECTRIC VOLTAGE REGULATOR RECTIFIER FITS: KTM 950 ADVENTURE 2003 - 2006