TT Electronics has announced a series of low profile (2mm)  high power resistors for use on heatsinks. Called WDBR-UL, they are thick-film-on-steel resistors, developed from the existing  WDBR series, with creepage, clearances and power ratings assessed in accordance with the requirements of UL508, “easing the compliance burden for UL approved end-users,” said the TT. “For circuit designers who need ...

This story continues at Thin UL-approved power resistors handle kWs on heatsinks

Or just read more coverage at Electronics Weekly