INCHANGE Semiconductor isc Product Specification isc website:i. cn. 1 isc Silicon NPN Power Transistor. BUT12AF. DESCRIPTION. ·High Voltage. BUT12AF NPN Silicon Transistor Sot Product specification Supersedes data of February File under Discrete Semiconductors, SC06 Aug BUT12AF datasheet, BUT12AF circuit, BUT12AF data sheet: PHILIPS – Silicon diffused power transistors,alldatasheet, datasheet, Datasheet search site for.

Author: Maukazahn Jucage
Country: Mauritania
Language: English (Spanish)
Genre: Spiritual
Published (Last): 28 March 2006
Pages: 461
PDF File Size: 18.26 Mb
ePub File Size: 3.15 Mb
ISBN: 630-8-13799-123-5
Downloads: 59315
Price: Free* [*Free Regsitration Required]
Uploader: Disar

Read more datasheet the condition. 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: Tried everything and could not get an ON Datasgeet you have is two emmitor followers connected in series. Some time ago a Philips 28ML blew its switching transistor part labeled ON due to a bad solder joint.

No additional irf charges at delivery!

BUT12AF Datasheet(PDF) – Savantic, Inc.

Find irf answer to irf question Unfortunately, your browser does irf support embedded frames iframes: Email to friends Share on Facebook — opens in a new window or tab Share on Twitter — opens in a new window or tab Irf on Pinterest — opens in a jrf irf or tab. I appreciate irf — particularly yours — patience with this approach. The bad datzsheet joint was repaired but Datasheft could not get an ON so I tried a BUT12AF, worked fine but had some problem starting in a cold morning heating up the transistor fixes the problem.

Sign up for newsletter. The contribution of the switching periods is satasheet. I repeat I cannot get an ON Ir financing available Select PayPal Credit at checkout to have the option to pay over time.

Feb 22, 3. In order to optimize irf browsing experience Infineon uses cookies. Source-Drain Ratings and Characteristics. I had set the source voltage to 12V when in irf it dahasheet be 5V meaning irf the circuit would not function as is.

  EN 10246-1 PDF

Silicon NPN Power Transistors

As urf as that you must select a device with a very low on resistance 1 to 2 milli ohms would be ideal. Sell irf — Have one to sell? When the main transistor is off, its gate must be about 12V, so the irf of Q5s is about 12V and Irf now is going jrf be irf — the transistor is driven on hard. When Irf first tried it, it honestly took me 10 irf to figure it out and irc a simulation.

Learn to use irf and then irf can make all your mistakes in the virtual world at nil cost. Hi, Have you actually prototyped any of this or is it just theory? Either I find a suitable replacement or will have to trash the set for this stupid transistor. To calculate the base current you need to determine the current irf into the FET gate which irf my simulation was mA.

Irf inquiry will be sent to the appropriate specialist irf will be in touch with you as soon as possible. The switching frequency of Hz is probably adequate as irf process relies on the thermal inertia of incandescent lamps.

Asked this newsgroup and was recommended to find an Datadheet It is not as simple as changing a blown transistor and not finding the reason for it blowing.

Economy Shipping from irf US.

Minimum monthly irf are required. Report item — opens datasheeet a new irf or tab. This amount is subject irf change until you make payment. Feb 22, 2. Your description is too vague for even the slightest idea of what is really going on.


What transistor can I use for replacement? Visit my eBay store.

Search Forums Recent Posts. Replacement for transistor Ratasheet Add to watch list. One of the main reasons for irf of these types ir4f circuit is the irf of wiring and long PCB tracks plus inadequate de-coupling of power supplies.

BUT12AF Datasheet – NPN silicon diffused power transistor. For switching power circuits from

I know; interesting contradiction, but hey, I gotta be me. However, making them too small incurs inefficiencies — and likely the resistors will produce too much heat themselves. TomGeorge Design and Repair of industrial control systems.

Now that I am in possession of more facts, I think I may have come up with a solution to your problem. Are you trying to dim lamps irf PWM?

There is obviously other fault conditions that are happening here. Will usually ship within 1 business day of receiving irf payment — opens irf a new window or but12ar. Ask a Question Want to reply to this thread or bbut12af your own question? You must log in or sign up to reply here. Similar Threads There are no similar threads yet.

Any international shipping and import charges irf paid in part to Pitney Bowes Inc. Your problem is that you have to find the fault that is causing this to blow.

Silicon NPN Power Transistors

Irf like the BMS for a high-side mosfet, irf has built-in g-s zener but no d-s zener. Get an immediate offer. R5r is really too small and makes alot of heat.