1.

Which substance is used to maintain electrical insulation between a heat sink and transistor?(a) plastic(b) fiber(c) ceramic(d) micaI got this question during an interview for a job.The question is from Heat Sink for Power Transistor-2 in section Power Amplifier of Analog Circuits

Answer»

Right option is (d) mica

For explanation I would SAY: Many transistors have metal cases which are CONNECTED to a LEAD and thus it BECOMES necessary to insulate the heat sink from the TRANSISTOR. Insulating kits of a mica sheet and a plastic sleeve are used.



Discussion

No Comment Found

Related InterviewSolutions