Bipolar junction transistors (BJTs)
amplification process
amplifier
audio amplifier
BC237 pinout
BC237 transistor
blinking LED circuit
datasheet
heat sink
loudspeaker
vs. MOSFET
NPN and PNP
SeeNPN and PNP transistors
open and closed switches
operation
pinout
with SMD package
with TO-3 package
with TO-92 package
with TO-220 package
touch switch