Package / Case: TO-39-3 
Transistor Polarity: NPN 
Configuration: Single 
Collector- Emitter Voltage VCEO Max: 40 V 
Collector- Base Voltage VCBO: 75 V 
Emitter- Base Voltage VEBO: 6 V 

Collector-Emitter Saturation Voltage: 1 V 
Maximum DC Collector Current: 800 mA 
Pd - Power Dissipation: 800 mW 
Gain Bandwidth Product fT: 250 MHz 
Minimum Operating Temperature: - 65 C 
Maximum Operating Temperature: + 150 C

https://www.silicon-ark.co.uk/datasheets/2n2218a-2n2222a-datasheet-motorola.pdf