bsr14.pdf datasheet:

BSR14CESOT-23BMark: U8NPN General Purpose AmplifierThis device is for use as a medium power amplifier and switchrequiring collector currents up to 500 mA. Sourced from Process19. See BCW65C for characteristics.Absolute Maximum Ratings* TA = 25C unless otherwise notedSymbol Parameter Value UnitsVCEO Collector-Emitter Voltage 40 V3VCBO Collector-Base Voltage 75 VVEBO Emitter-Base Voltage 6.0 VIC Collector Current - Continuous 800 mAOperating and Storage Junction Temperature Range -55 to +150 CTJ, Tstg *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.NOTES:1) These ratings are based on a maximum junction temperature of 150 degrees C.2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.Thermal Characterist