BU931P Automotive-grade high voltage ignition coil driver NPN power Darlington transistor Datasheet - production data Features AEC-Q101 qualified Very rugged Bipolar technology High operating junction temperature Applications High ruggedness electronic ignitions 3 2 1 Description This is a high voltage power Darlington transistor TO-247 developed using multi-epitaxial planar technology. It has been properly designed for automotive environment as electronic ignition power actuators. Figure 1: Internal schematic diagram Table 1: Device summary Order code Marking Package Packing BU931P BU931P TO-247 Tube October 2017 DocID031166 Rev 1 1/11 www.st.com This is information on a product in full production. Contents BU931P Contents 1 Electrical ratings ............................................................................. 3 2 Electrical characteristics ................................................................ 4 2.1 Electrical characteristics (curves) ...................................................... 5 3 Test circuits ..................................................................................... 7 4 Package information ....................................................................... 8 4.1 TO-247 package information ............................................................. 8 5 Revision history ............................................................................ 10 2/11 DocID031166 Rev 1