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Hello and welcome to this annual us on which I will show you how to test a transistor rather than on

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how to defy its terminals.

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This is a transistor as you can see here has three tournaments and we will test it out and see if it's

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working or not and identify its tournaments.

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As I mentioned earlier this is basically a diode.

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So you have to choose but I would reading from here on the watch and or on the digital multimeter and

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you then you can watch these terminals the black one and the common and the red one on the one that

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has become so diluted I am so blessed to turn it on.

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Now we said that the first would be to identify the two terminals that want to give a reading when they're

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together.

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So if we came here as you can see it must concentrate on this.

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So the two terminals that won't give any reading both ways will be the collector and emitter.

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So let me test these these first two.

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So no reading.

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Let me OK with me at the outset Tumblr and k now as you can see we have a reading on that unseated slowly

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over the digital multimeter.

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So these are love the tool collector and the emitter.

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Let's move on to the next two.

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So this one on this one we have no reading.

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And again this one and this one we have no reading on that it is day one means no reading.

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So this one and this one are the collector and emitter.

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So this one is the base.

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This is the first step.

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So let's throw

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to let's it to you.

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OK.

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Let me just focus on this area.

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So we have the base identified.

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Now we need to know if this base is all this land for us is beyond beyond beyond what we need to do

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is simply first knowing that the base will give an image element with both collector and emitter.

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So if we connected the positive term out of the base and if it gave reading with these two terminals

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it means that positive means and beyond.

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So it will be an unbeaten transistor.

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If it doesn't give a reading we will have to reverse it.

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We have to contain the negative been here to the base.

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And if it give a reading this means that the base is negative or on which means that this is be unbeatable

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in the store.

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So of start

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this is the most if they're not connected to the base and it's connected to this terminal.

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It gave readings and density as you can see here.

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If you connect it to the other bend but also give a reading.

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So this is the base.

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It's connected.

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The red blob.

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This means that it's and beyond transistor.

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So and B on the transistor This is the Times on the.

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Now the final step which is I didn't find the collector and emitter between these two bands.

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Now as I mentioned earlier that one that will give higher measurement when connected to the base will

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be the emitter.

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So let's connect the positive terminal to the base.

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Let's connect this to the spin.

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Gave us six hundred seventy five.

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It's going to spin six hundred and eighty nine.

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So this one has a higher reading which is that this terminal as I mentioned earlier the one that will

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give higher leading with the base will be the emitter.

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So now we have this as the emitter and the last one is the correct.

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So this is our transistor.

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It's fully functional.

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It's working.

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And we did found out that it's.