.
PA-2028 - Miniature Rotary Switches
TPA2028D1 - 3-W Mono Class-D Audio Amplifier
A2028 - 2SA2028
2SA2028 - Silicon PNP epitaxial planer type Transistor
IAM-82028 - Silicon Bipolar MMIC 5 GHz Active Double Balanced Mixer/ IF Amp