Silicon NPN Epitaxial Planar Darlington Type
Power Amplfier, Switching
Complementary Pair with PU3120, PU4120, PU4420
FEATUREs
● High DC current gain (hFE)
● High speed switching
● PU3220: 3 NPN elements
● PU4220: 4 NPN elements
● PU4520: 2 NPN elements (4 elements in total)