C2001 TRANSISTOR DATASHEET PDF

If not, you have to take out a good oscilloscope and look at the waveforms. The collector of a PNP transistor is connected to — or towards — the negative line. When you can light the LED with a moist fingertip — the transistor is connected correctly. And its emitter is connected to — or towards — the positive line. Sign up using Email and Password.

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If not, you have to take out a good oscilloscope and look at the waveforms. The collector of a PNP transistor is connected to — or towards — the negative line. When you can light the LED with a moist fingertip — the transistor is connected correctly.

And its emitter is connected to — or towards — the positive line. Sign up using Email and Password. It is off the chart, it is a bad sign for this situation. Base current is not a problem, it is limited by R to 4. The first three are the most likely. Thanks for that, but just want to clarify where do I put the resistor? It would take too much space to explain the exact mechanism here, but the gist is, the transistor acts as transistot impedance conversion element at high frequencies due to beta being frequency dependent.

What could cause transistor to overheat? Attila Kinali 1, 1 9. Sign up or log in Sign up using Google. Can you clarify position of additional 10R resistor? Use trial and error to position the other two pins. There is an element of trial and error involved. Now look in the datasheets to compare those two transistors what is the Vce for such current. If the LED glows — even dimly — the collector and emitter are connected the wrong way round.

Before you start — make absolutely certain that your leads are connected the right way round. So, transistor could overheat by high Vce or Ic. The emitter of an NPN transistor is connected to — or towards — transisfor negative line.

This would severely limit the lifetime of an already stressed component. If the collector and emitter are connected correctly — the LED will not light. If your transistor is working properly — and connected correctly — the moisture will supply sufficient base current to switch the transistor on.

I have short-term access to another C — putting that in the circuit works just fine, so I know the transistor is the issue.

It depends on your batch. If your meter has a transistor tester — you could simply try all of the six possible pin configurations — in both polarities. So power dissipation would be mW, which is above maximum allowed power dissipation. Vce would be much higher than 1. But you can see that in some situations there are differences between BC and 2SC And plug in your datwsheet. My previous, sort-of related question is here: Build the circuit on your breadboard.

And the LED will light. Transistor Catalog There are huge differences: Sign up using Facebook. Hi there Chupacabras, when I replace it with a good C the whole circuit works just fine. TOP Related Articles.

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Tular If not, you have to take out a good oscilloscope and look at the waveforms. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Before you start — make absolutely certain that your leads are connected the right way round. The collector of a PNP transistor is connected to — or towards — the negative line. BC hFE from to You already know where the base pin should go.

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You already know where the base pin should go. And use your wet fingertip to join the collector to the base. You can still use these two circuits to identify the polarity of your transistor — and its pin configuration. Thanks for that, but just want to clarify where do I put the resistor? It is off the chart, it is a bad sign for this situation. If the LED glows — even dimly — the collector and emitter are connected the wrong way round. The collector of a PNP transistor is connected to — or towards — the negative line.

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