UA741 10PCS. ULN2803 5PCS. LM324 5PCS. PC817 10PCS. LM358 10PCS. LM386 10PCS. NE555 10PCS. LM393 10PCS.
This product would be ideal for electronic circuit design projects that require multiple NPN and PNP transistors, Schmitt triggers, operational amplifiers, and other semiconductor components for building various circuits.