BC517 DATASHEET PDF

BC Rev. A BC NPN Darlington Transistor. • This device is designed for applications requiring . This datasheet contains the design specifications for. BC 2. Motorola Small–Signal Transistors, FETs and Diodes Device Data. ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted). BC datasheet, BC pdf, BC data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, NPN Darlington Transistor.

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BC517 – BC517 NPN Darlington Transistor

Thanks Tom, nice find, only one page further Circuit Of course I’ve googled around a lot, and found a lot of examples to control a dc motor with a transistor like this. Is that the daasheet to go? Actual result Unfortunately the motor always starts when I connect the transistor, even if the base is connected to the Arduino ground.

TomGeorge Design and Repair of industrial control systems. NEW Library to make fading leds a piece of cake https: Test code I’m sure there’s nothing wrong with that because I tested the output with a multimeter, 4.

So 20 indeed is a positive supply voltage pin, as it’s labeled Vcc. MarkT on Jul 13, Expected result There should flow current to the controller enable when the Arduino puts 5V on the transistor, and not so otherwise.

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PHPirates on Jul 13, Don’t try to switch the 12V, switch the Dataheet and you are all set.

BC517 Datasheet, Equivalent, Cross Reference Search

MarkT Brattain Member Posts: You’ll have to find out whether the digital section is opto-isolated with a multimeter. I use supply with internal control voltage I bc5117, so the first image.

Possible problem points I thought about: Oh, hang on a second. Android app included, hooray for ethernet shields.

Problem driving a 12V/20mA frequency inverter with BC transistor

Now looking at the second picture, and there I gc517 switch the connection to ground. Is it opto isolated? If its isolated and it provides its own power, you can very simply use an NPN to switch it.

Everything runs on smoke, let the smoke out, it stops running So since I want to switch the ground, I need to intercept the connection somewhere right? If it doesn’t provide its own power you have to provide at least 12V externally and high-side switch it.

BC Datasheet, Equivalent, Cross Reference Search. Transistor Catalog

So I’d need to figure out a 14V power supply Hi, This is what you are looking for. Sorry for the bumping, but I just measured some things. But now the motor doesn’t do anything When the Arduino pin is low, I measure around 14 volts across both transistors, which is fine.

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Q1 is PNP transistor Tom Use fricking code tags!!!! The circuits look similar, although they use an extra diode because of the dc motor and the motor is on the other side satasheet the transistor, which I think shouldn’t matter.

Where is the datasheet for this drive?

Transistor The first time I connected the transistor without the base resistor, and I don’t think I’ve blown it but who knows I just bought some PNP transistors and made a high side switch now, using a circuit for example from Stackexchange.

We also replaced the transistor just in case it was broken, and tested some other crucial connections, although not all. Base resistor I calculated the 4K7 value with help from this post and otherswhich led me to believe that with a 5K resistor I’d get a base current of 1mA, which with a gain of I checked the datasheet on this would mean it would be able to saturate collector currents above mA, which is fine here.

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