Technical Data PM4311 Effective August 2017 Super.
SD12-221 - Shielded Inductors
KSD1221 - Low Frequency Power Amplifier
SD12-221-R - Low profile metalized shielded drum core power inductors
D1221 - 2SD1221
2SD1221 - NPN Transistors
2SD1221 - Silicon NPN Transistor