BDX66C DATASHEET PDF

The BDX66C is a P-N-P epitaxial base transistor in monolithic darlington circuit for audio output stages and general amplifier and switching applications. Write a Review. If the product you receive is not as described or low quality, the seller promises that you may return it before order completion when you click 'Confirm Order Received' or exceed confirmation timeframe and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

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Transistor replacement User Name Stay logged in? Need help for my audio project. Transistor replacement. Hello, good day everyone! I am a student here in Philippines, im currently doing my project. But since my country lacks of electrical parts, I cant find these parts here. And I needed to replace this. Is there something that is similar to these that I can use? If you have any other questions, please do not hesitate to ask me.

Thanks advance and God bless! Mounting changes a little, you will get them in rectangular TO case, use rectangular matching mica of course, use single screw mounting and after mounting each on its heat sink, cut legs about 8 or 10 mm long and bend them upwards in the middle, then you can solder wires coming from the PCB to these leg stubs.

You must also attach the bias transistor T3 to one heat sink: you may Epoxy it in place or drill a 6mm hole in one of them and put bias transistor inside it, with a little thermal grease or Epoxy. BDX6XX transistors are now obsolete. Originally Posted by simplestudent. I did find 2N and 2N on Amazon, but you can go to Digikey and do a parameter search that covers several brands.

As others have noted, this is an OLD design that has issues. You can expect to destroy at least one set of transistors so if you go ahead with this amp, you should have spares. Find More Posts by steveu.

Originally Posted by rephil. I hope that this can help you. Best regards rephil. Originally Posted by steveu. Originally Posted by JMFahey. Here are the data sheets:. Attached Files TIP From beginner to advanced. Hello, good day! Thank you for your reply, but what do you mean he is being optimistic about it? We cant have the same project. A W amplifier into 8 ohms is a challenge for a beginner. That needs substantial transistors. A loudspeaker is reactive, and reactive loads means that the current needed is out of phase to some extent, depending on the overall impedances of the system to the voltage.

Darlington transistors are useful for low voltage applications but are not widely used for high power systems because of this second breakdown problem. I would urge you to consider whether you could use W with a 4 ohm load. The supply voltages are safer but you trade off against needing higher currents, which still needs thought in regards of power supply wiring. At W they are a little better than the plastic versions, but can be expensive now, though a single pair will drive your W.

You will need to add driver transistors as these are not Darlingtons as pointed out in the previous post. Other transistors in your amplifier will need to be rated at V for safety in the pre-driver stages, although the input pair could be 60V. BB code is On. Smilies are On. Forum Rules. All times are GMT. The time now is AM. Resources saved on this page: MySQL User Name.

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Page 1 of 2. Thread Tools. Transistor replacement Hello, good day everyone! View Public Profile. Send a private message to simplestudent. Find More Posts by simplestudent. Send a private message to JMFahey. Quote: Originally Posted by simplestudent Hello, good day everyone! Send a private message to rephil. Find More Posts by rephil. Send a private message to steveu. Originally Posted by steveu I did find 2N and 2N on Amazon, but you can go to Digikey and do a parameter search that covers several brands.

Here are the data sheets: Attached Files. Send a private message to Mooly. Find More Posts by Mooly. Quote: Originally Posted by simplestudent Hello, good day! Posting Rules. Similar Threads. Audio of Oregon CC-3 output transistor replacement.

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