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Datasheet search engine for Electronic Components and Semiconductors. APMN data sheet, alldatasheet, free, databook. APMN parts, chips, ic, . PB: Plastic Bag. Lead Free Code. L: Lead Free Device Blank: Original Device. APMN UB: APMN. XXXXX. XXXXX – Date Code. Lead Free Code. advise customers to obtain the latest version of relevant information to verify before placing orders. APMNF. APMN. Handling Code. Temp. Range.

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It might just post if you replace it. All times are GMT I’d start by using your multimeter to probe the legs of each fet. I doubt it’s the VPU, but if it is, check this thread out for a theoretical fix: All others the ohm rises like a capacitor with only a very short bleep.

I would really like a suggestion of a replacement, since I really have no idea with fets. The replacement I found was similar in specs, but obviously isn’t up to the task. Results 1 to 22 of I suspect it is more likely blown mosfets but not really sure how to test. Swapped graphics card and pc works fine. Look up the data sheet, and datssheet use the diode mode on your multimeter to probe from gate to drain, gate to source.

It’s tricky to troubleshoot problems like these, because there has generally been something that caused such a “catastrophic” failure. Anyways here is the image you requested. If that is the case, you can just replace the FET, apm25509n see what happens. Skill Information and Support G. So I will need both type of fet: Last edited by Kram; at This also assumes that the fet is OFF the board, but if you’re seeing values in the 0-low hundreds range both directions, chances are you found your device.


Originally Posted by crashZ. In this pcb layout would they both be N channel type?

How do I remove the mosfet? Skill Memory Products G. Any help would be greatly appreciated.

APM2509NU Datasheet PDF

O it doest stay on long enough to burn anything: Stacker Watercooled windows7 ultimate 64 bit!!! I have got some old AGP cards including a Geforce Ti and a Radeon they have similar looking mosfets on but I don’t know if they’d work or be datashete and since i dont have a heat gun I cannot even take them off. Apm n I just bought a new DELL SW monitor and was using it with my old Geforce for about 2 hours on my pc when I put on Call of Duty and suddenly when the game resolution changed the screen just remained black, I restarted the machine and the screen didn’t come on.

I assume the vGPU inductor would be the 1R0 labled component, bottom right of the front pcb picture below between white connector and capacitor.

Is there an alternative I can use for this mosfet? The card is tripping the psu’s over current protection only turns on for a milisecond, have to reset with mains switch. This is the same pcb layout, http: Your DMM should beep or something, but only in one direction gate out, or gate independing on type of fet. Q5 and Q6 are k 6k4. If any fet is conducting low R in both directions, it’s likely dead.


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I was going to ask if its ok to test with the gpu phase fet removed, but since the memory phase is bad too theres little point. Were you able to repair your card? As far as replacing the FETs, they’re generally n channel. The time now is I replaced one of the power FETs, and it booted right up. Apm n If only i knew which card or devices have apmN on them I would start searching. Im having some problems with finding datasheets: I will have to get a picture.

With 6pin cable removed, the psu doesnt trip, but screen stays black. As Largon has said, it’s going to suck if you’re trying to remove the FETs with just a soldering iron, the tabs that are attached to the back of the FET are going to be soldered down to the board, unless you have a hot air rework station, you’re likely going to do more harm than good This all of course assumes that the problem is what I described.

When I “fixed” my board, I traced back to the fet because of one thing: Originally Posted by Kram. O I lifted the inductors – lead was easyer, I hate Jlead smd’s I got ohm on the good phases and on the dead phase. Anyone have a spare APMN?

Found a few problems: My card was an eVGA gso.