Transistor - Transistors for beginners in electronics
2N2222 + LED - CircuitLab
2N2222A Transistor : Pin Configuration, Circuit, Working & Its Applications
2N2222 - Wikipedia
PN2222 Transistor: Datasheet, Pinout, Equivalent, PN2222 vs 2N2222, PN2222 vs S8050, PN2222 vs PN2222A | Easybom
voltage - Can this transistor (2N2222) take 6 V on emitter-base? Am I reading the datasheet incorrectly? - Electrical Engineering Stack Exchange
2N2222A Pinout, Features, Equivalent & Datasheet
2N2222 NPN Transistor
transistors - Attempt to use 2n2222 as a switch, but it seems to work below 5v (all the way down to < 1v). Why? - Electrical Engineering Stack Exchange