Grr... stupid DPAKs.

[eccerr0r]

Grr... stupid DPAKs.

Guess what I'm trying to do with them.

Tried a 100W gun... no dice in getting it to budge
45W pencil with a big flat tip... no dice

I'm not sure if I want to salvage this transistor or not at this point as I'm not sure if it's the culprit or not... hot air would do any better?

[diif]

Re: #@&*%!dpak

Get yourself a better iron like the Axium T3A, if that won't remove it you're doing something wrong.
Are you adding leaded solder? Why not try it with the hot air?

[petehall347]

Re: Grr... stupid DPAKs.

hot air and 60/40 should shift it

[stj]

Re: Grr... stupid DPAKs.

before i had hot air,

desolder and slightly lift each leg
put a bit of solder on the end of the iron and hold it on the tab.
eventually the component will slide down and you can extract it

[eccerr0r]

Re: Grr... stupid DPAKs.

holy crap. 200W pencil iron... LOL.
Yes, added leaded solder...hmm.

[eccerr0r]

Re: Grr... stupid DPAKs.

Blah, and of course the source pin has a huge pad with PTVs and a through hole capacitor right next to it... Incidentally that capacitor is a solid polymer electrolytic.

[petehall347]

Re: Grr... stupid DPAKs.

preheating the board helps

[eccerr0r]

Re: Grr... stupid DPAKs.

hmm... Tried to use my hot air gun on another (scrap) board with a dpak, came right off with no fuss.
I don't think I'll see the same on the motherboard I want to take the mosfet off of (without damaging either -- worried about frying the other components that are right next to it!).

BTW I wonder if I could sub a TO220 in for a dpak and not solder to the board... if the larger package is sufficient for not having board heat spreading...

[harp]

Re: Grr... stupid DPAKs.

You can desolder dpak with soldering iron, just slightly lift up legs and put some baking paper behind.
https://m.youtube.com/watch?v=Khs6txY6iW4