View stx13003 datasheet:

STX13003 ® HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR ST13003 SILICON IN TO-92 PACKAGE MEDIUM VOLTAGE CAPABILITY LOW SPREAD OF DYNAMIC PARAMETERS MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION VERY HIGH SWITCHING SPEED APPLICATIONS: ELECTRONIC BALLASTS FOR FLUORESCENT LIGHTING DESCRIPTION TO-92 The device is manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and medium voltage capability. It uses a Cellular Emitter structure with planar edge termination to enhance switching speeds while maintaining the wide RBSOA. The STX13003 is designed for use in compact INTERNAL SCHEMATIC DIAGRAM fluorescent lamp application. ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCES Collector-Emitter Voltage (VBE = 0) 7