View 2n3415 datasheet:

2N3415 B TO-92 C E NPN General Purpose Amplifier This device is designed for use as general purpose amplifiers and switches requiring collector currents to 300 mA. Sourced from Process 10. See PN100A for characteristics. Absolute Maximum Ratings* TA = 25°C unless otherwise noted Symbol Parameter Value Units V Collector-Emitter Voltage 25 V CEO V Collector-Base Voltage 25 V CBO V Emitter-Base Voltage 5.0 V EBO I Collector Current - Continuous 500 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 sh