This is one of the transistor types.
Part Number: 2N2222A
Function: 40V, 800mA, NPN Switching Transistor
Package: TO-18 Type
Manufacturer: Philips Electronics ( https://www.nxp.com/ )
Image
Description
NPN switching transistor in a TO-18 metal package. PNP complement: 2N2907A.
Features
1. High current (max. 800 mA)
2. Low voltage (max. 40 V).
Applications
1. Linear amplification and switching.
2N2222A Pinout
QUICK REFERENCE DATA
1. Collector-base voltage : Vcbo = 75 V
2. Collector-emitter voltage : Vceo = 40 V
3. Collector current (DC) : Ic = 800 mA
4. Total power dissipation : Ptot = 500 mW
Other data sheets are available within the file: 2N2222