Why is an ideal semiconductor switching device not achievable in practice?

Subject: Why is an ideal semiconductor switching device not achievable in practice?

Date: Sat Oct 21 11:04:05 2000
Posted by Clair
Grade level: grad (science) School: University of Swansea
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Engineering
ID: 972140645.Eg

Message:


The three characteristics of an ideal semiconductor switching device are:

1 Resistance = 0 when in the on state.
2 Infinite resistance when in the off state.
3 time to switch on and off is zero.

Why is it impossible to achieve these in practice?

Re: Why is an ideal semiconductor switching device not achievable in practice?

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