View 2n4125 datasheet:

2N4125 C TO-92 B E PNP General Purpose Amplifier This device is designed for use as general purpose amplifiers and switches requiring collector currents of 10 µA to 100 mA. Absolute Maximum Ratings* TA = 25°C unless otherwise noted Symbol Parameter Value Units V Collector-Emitter Voltage 30 V CEO V Collector-Base Voltage 30 V CBO V Emitter-Base Voltage 4.0 V EBO I Collector Current - Continuous 200 mA C Operating and Storage Junction Temperature Range -55 to +150 T , T °C J stg *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 pulse