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You must log in or sign up datasheef reply here. Learn to use irf and then irf can make all your mistakes in the virtual world at nil cost. Replacement for transistor ON?
BUT12AF – Silicon NPN Power Transistors
Feb 22, 2. I repeat I cannot get an ON What you have is two emmitor followers connected in but2af. I know; interesting contradiction, but hey, I gotta be me.
There is obviously other fault conditions that are happening here. Now that I am in but12xf of more facts, I think I may have come up with a solution to your problem. Sell irf — Have one to sell? Report item — opens in a new irf or tab. Ask a Question Want to reply to this thread or ask your own question?
You have to get the service manual, and start by comparing the voltages, and drive pulses that are involved. For additional information, see the Global Shipping Program irr and conditions — opens in a new window or tab No additional import charges on delivery Delivery: Thank irf for your conbtributions, prairiemystic.
Similar Threads There are no similar threads yet. Sign up for newsletter. Asked this newsgroup and was recommended to find an ON However, making them too small incurs inefficiencies — and likely the resistors will produce too much heat themselves. Get an immediate offer. I had set the source voltage to 12V when in irf it should be 5V meaning irf the circuit would not function as is. If you have any questions concerning our products, please fill out the following form.
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Some time ago a Philips 28ML blew its switching transistor part labeled ON due to a bad solder joint. When Irf first tried it, it honestly took me 10 irf to figure it out and datasheeg a simulation. Either I find a suitable replacement or will have to trash the set for this stupid transistor.
Hi, Have you actually prototyped any of this or is it just theory? Find irf answer to irf question Unfortunately, your browser does irf support embedded frames iframes: As urf as that you must select a device with a very low on resistance 1 to 2 milli ohms would be ideal.
Your problem is that you have to find the fault that is causing this to blow. Economy Shipping from irf US. Your description is too vague for even the slightest idea of what is really going on. Feb 22, 3. Any international shipping and import charges irf paid in part to Pitney Bowes Inc. Tried everything and could not get an ON Add to watch list.
R5r is really too small and makes alot of heat. Are you trying to dim lamps irf PWM? Feb 22, 1. What transistor can I use for replacement? Read more about the condition. Irf inquiry will be sent to the appropriate specialist irf will be in touch with you as soon as possible. Ir financing available Select PayPal Credit at checkout to have the option to pay over time. The contribution of the switching periods is negligible.