2N242
PNP germanium power transistors (Motorola)
2N2420A
SILICON UNIJUNCTION TRANSISTOR (Digitron Semiconductors)
2N2420B
SILICON UNIJUNCTION TRANSISTOR (Digitron Semiconductors)
2N2421
SILICON UNIJUNCTION TRANSISTOR (Digitron Semiconductors)
2N2421A
SILICON UNIJUNCTION TRANSISTOR (Digitron Semiconductors)
2N2421B
SILICON UNIJUNCTION TRANSISTOR (Digitron Semiconductors)
2N2422
SILICON UNIJUNCTION TRANSISTOR (Digitron Semiconductors)
2N2422A
SILICON UNIJUNCTION TRANSISTOR (Digitron Semiconductors)
2N2422B
SILICON UNIJUNCTION TRANSISTOR (Digitron Semiconductors)
2N2405
NPN silicon annular transistors (Motorola)